linux/Documentation/networking/arcnet-hardware.txt
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   1 
   2-----------------------------------------------------------------------------
   31) This file is a supplement to arcnet.txt.  Please read that for general
   4   driver configuration help.
   5-----------------------------------------------------------------------------
   62) This file is no longer Linux-specific.  It should probably be moved out of
   7   the kernel sources.  Ideas?
   8-----------------------------------------------------------------------------
   9
  10Because so many people (myself included) seem to have obtained ARCnet cards
  11without manuals, this file contains a quick introduction to ARCnet hardware,
  12some cabling tips, and a listing of all jumper settings I can find. Please
  13e-mail apenwarr@worldvisions.ca with any settings for your particular card,
  14or any other information you have!
  15
  16
  17INTRODUCTION TO ARCNET
  18----------------------
  19
  20ARCnet is a network type which works in a way similar to popular Ethernet
  21networks but which is also different in some very important ways.
  22
  23First of all, you can get ARCnet cards in at least two speeds: 2.5 Mbps
  24(slower than Ethernet) and 100 Mbps (faster than normal Ethernet).  In fact,
  25there are others as well, but these are less common.  The different hardware
  26types, as far as I'm aware, are not compatible and so you cannot wire a
  27100 Mbps card to a 2.5 Mbps card, and so on.  From what I hear, my driver does
  28work with 100 Mbps cards, but I haven't been able to verify this myself,
  29since I only have the 2.5 Mbps variety.  It is probably not going to saturate
  30your 100 Mbps card.  Stop complaining. :)
  31
  32You also cannot connect an ARCnet card to any kind of Ethernet card and
  33expect it to work.  
  34
  35There are two "types" of ARCnet - STAR topology and BUS topology.  This
  36refers to how the cards are meant to be wired together.  According to most
  37available documentation, you can only connect STAR cards to STAR cards and
  38BUS cards to BUS cards.  That makes sense, right?  Well, it's not quite
  39true; see below under "Cabling."
  40
  41Once you get past these little stumbling blocks, ARCnet is actually quite a
  42well-designed standard.  It uses something called "modified token passing"
  43which makes it completely incompatible with so-called "Token Ring" cards,
  44but which makes transfers much more reliable than Ethernet does.  In fact,
  45ARCnet will guarantee that a packet arrives safely at the destination, and
  46even if it can't possibly be delivered properly (ie. because of a cable
  47break, or because the destination computer does not exist) it will at least
  48tell the sender about it.
  49
  50Because of the carefully defined action of the "token", it will always make
  51a pass around the "ring" within a maximum length of time.  This makes it
  52useful for realtime networks.
  53
  54In addition, all known ARCnet cards have an (almost) identical programming
  55interface.  This means that with one ARCnet driver you can support any
  56card, whereas with Ethernet each manufacturer uses what is sometimes a
  57completely different programming interface, leading to a lot of different,
  58sometimes very similar, Ethernet drivers.  Of course, always using the same
  59programming interface also means that when high-performance hardware
  60facilities like PCI bus mastering DMA appear, it's hard to take advantage of
  61them.  Let's not go into that.
  62
  63One thing that makes ARCnet cards difficult to program for, however, is the
  64limit on their packet sizes; standard ARCnet can only send packets that are
  65up to 508 bytes in length.  This is smaller than the Internet "bare minimum"
  66of 576 bytes, let alone the Ethernet MTU of 1500.  To compensate, an extra
  67level of encapsulation is defined by RFC1201, which I call "packet
  68splitting," that allows "virtual packets" to grow as large as 64K each,
  69although they are generally kept down to the Ethernet-style 1500 bytes.
  70
  71For more information on the advantages and disadvantages (mostly the
  72advantages) of ARCnet networks, you might try the "ARCnet Trade Association"
  73WWW page:
  74        http://www.arcnet.com
  75
  76
  77CABLING ARCNET NETWORKS
  78-----------------------
  79
  80This section was rewritten by 
  81        Vojtech Pavlik     <vojtech@suse.cz>
  82using information from several people, including:
  83        Avery Pennraun     <apenwarr@worldvisions.ca>
  84        Stephen A. Wood    <saw@hallc1.cebaf.gov>
  85        John Paul Morrison <jmorriso@bogomips.ee.ubc.ca>
  86        Joachim Koenig     <jojo@repas.de>
  87and Avery touched it up a bit, at Vojtech's request.
  88
  89ARCnet (the classic 2.5 Mbps version) can be connected by two different
  90types of cabling: coax and twisted pair.  The other ARCnet-type networks
  91(100 Mbps TCNS and 320 kbps - 32 Mbps ARCnet Plus) use different types of
  92cabling (Type1, Fiber, C1, C4, C5).
  93
  94For a coax network, you "should" use 93 Ohm RG-62 cable.  But other cables
  95also work fine, because ARCnet is a very stable network. I personally use 75
  96Ohm TV antenna cable.
  97
  98Cards for coax cabling are shipped in two different variants: for BUS and
  99STAR network topologies.  They are mostly the same.  The only difference
 100lies in the hybrid chip installed.  BUS cards use high impedance output,
 101while STAR use low impedance.  Low impedance card (STAR) is electrically
 102equal to a high impedance one with a terminator installed.
 103
 104Usually, the ARCnet networks are built up from STAR cards and hubs.  There
 105are two types of hubs - active and passive.  Passive hubs are small boxes
 106with four BNC connectors containing four 47 Ohm resistors:
 107
 108   |         | wires
 109   R         + junction
 110-R-+-R-      R 47 Ohm resistors
 111   R
 112   |
 113
 114The shielding is connected together.  Active hubs are much more complicated;
 115they are powered and contain electronics to amplify the signal and send it
 116to other segments of the net.  They usually have eight connectors.  Active
 117hubs come in two variants - dumb and smart.  The dumb variant just
 118amplifies, but the smart one decodes to digital and encodes back all packets
 119coming through.  This is much better if you have several hubs in the net,
 120since many dumb active hubs may worsen the signal quality.
 121
 122And now to the cabling.  What you can connect together:
 123
 1241. A card to a card.  This is the simplest way of creating a 2-computer
 125   network.
 126
 1272. A card to a passive hub.  Remember that all unused connectors on the hub
 128   must be properly terminated with 93 Ohm (or something else if you don't
 129   have the right ones) terminators.
 130        (Avery's note: oops, I didn't know that.  Mine (TV cable) works
 131        anyway, though.)
 132
 1333. A card to an active hub.  Here is no need to terminate the unused
 134   connectors except some kind of aesthetic feeling.  But, there may not be
 135   more than eleven active hubs between any two computers.  That of course
 136   doesn't limit the number of active hubs on the network.
 137   
 1384. An active hub to another.
 139
 1405. An active hub to passive hub.
 141
 142Remember that you cannot connect two passive hubs together.  The power loss
 143implied by such a connection is too high for the net to operate reliably.
 144
 145An example of a typical ARCnet network:
 146
 147           R                     S - STAR type card              
 148    S------H--------A-------S    R - Terminator
 149           |        |            H - Hub                         
 150           |        |            A - Active hub                  
 151           |   S----H----S                                       
 152           S        |                                            
 153                    |                                            
 154                    S                                            
 155                                                                          
 156The BUS topology is very similar to the one used by Ethernet.  The only
 157difference is in cable and terminators: they should be 93 Ohm.  Ethernet
 158uses 50 Ohm impedance. You use T connectors to put the computers on a single
 159line of cable, the bus. You have to put terminators at both ends of the
 160cable. A typical BUS ARCnet network looks like:
 161
 162    RT----T------T------T------T------TR
 163     B    B      B      B      B      B
 164
 165  B - BUS type card
 166  R - Terminator
 167  T - T connector
 168
 169But that is not all! The two types can be connected together.  According to
 170the official documentation the only way of connecting them is using an active
 171hub:
 172
 173         A------T------T------TR
 174         |      B      B      B
 175     S---H---S
 176         |
 177         S
 178
 179The official docs also state that you can use STAR cards at the ends of
 180BUS network in place of a BUS card and a terminator:
 181
 182     S------T------T------S
 183            B      B
 184
 185But, according to my own experiments, you can simply hang a BUS type card
 186anywhere in middle of a cable in a STAR topology network.  And more - you
 187can use the bus card in place of any star card if you use a terminator. Then
 188you can build very complicated networks fulfilling all your needs!  An
 189example:
 190
 191                                  S
 192                                  |
 193           RT------T-------T------H------S
 194            B      B       B      |
 195                                  |       R
 196    S------A------T-------T-------A-------H------TR                    
 197           |      B       B       |       |      B                         
 198           |   S                 BT       |                                 
 199           |   |                  |  S----A-----S
 200    S------H---A----S             |       | 
 201           |   |      S------T----H---S   |
 202           S   S             B    R       S  
 203                                                               
 204A basically different cabling scheme is used with Twisted Pair cabling. Each
 205of the TP cards has two RJ (phone-cord style) connectors.  The cards are
 206then daisy-chained together using a cable connecting every two neighboring
 207cards.  The ends are terminated with RJ 93 Ohm terminators which plug into
 208the empty connectors of cards on the ends of the chain.  An example:
 209
 210          ___________   ___________
 211      _R_|_         _|_|_         _|_R_  
 212     |     |       |     |       |     |      
 213     |Card |       |Card |       |Card |     
 214     |_____|       |_____|       |_____|          
 215
 216
 217There are also hubs for the TP topology.  There is nothing difficult
 218involved in using them; you just connect a TP chain to a hub on any end or
 219even at both.  This way you can create almost any network configuration. 
 220The maximum of 11 hubs between any two computers on the net applies here as
 221well.  An example:
 222
 223    RP-------P--------P--------H-----P------P-----PR
 224                               |
 225      RP-----H--------P--------H-----P------PR
 226             |                 |
 227             PR                PR
 228
 229    R - RJ Terminator
 230    P - TP Card
 231    H - TP Hub
 232
 233Like any network, ARCnet has a limited cable length.  These are the maximum
 234cable lengths between two active ends (an active end being an active hub or
 235a STAR card).
 236
 237                RG-62       93 Ohm up to 650 m
 238                RG-59/U     75 Ohm up to 457 m
 239                RG-11/U     75 Ohm up to 533 m
 240                IBM Type 1 150 Ohm up to 200 m
 241                IBM Type 3 100 Ohm up to 100 m
 242
 243The maximum length of all cables connected to a passive hub is limited to 65
 244meters for RG-62 cabling; less for others.  You can see that using passive
 245hubs in a large network is a bad idea. The maximum length of a single "BUS
 246Trunk" is about 300 meters for RG-62. The maximum distance between the two
 247most distant points of the net is limited to 3000 meters. The maximum length
 248of a TP cable between two cards/hubs is 650 meters.
 249
 250
 251SETTING THE JUMPERS
 252-------------------
 253
 254All ARCnet cards should have a total of four or five different settings:
 255
 256  - the I/O address:  this is the "port" your ARCnet card is on.  Probed
 257    values in the Linux ARCnet driver are only from 0x200 through 0x3F0. (If
 258    your card has additional ones, which is possible, please tell me.) This
 259    should not be the same as any other device on your system.  According to
 260    a doc I got from Novell, MS Windows prefers values of 0x300 or more,
 261    eating net connections on my system (at least) otherwise.  My guess is
 262    this may be because, if your card is at 0x2E0, probing for a serial port
 263    at 0x2E8 will reset the card and probably mess things up royally.
 264        - Avery's favourite: 0x300.
 265
 266  - the IRQ: on  8-bit cards, it might be 2 (9), 3, 4, 5, or 7.
 267             on 16-bit cards, it might be 2 (9), 3, 4, 5, 7, or 10-15.
 268             
 269    Make sure this is different from any other card on your system.  Note
 270    that IRQ2 is the same as IRQ9, as far as Linux is concerned.  You can
 271    "cat /proc/interrupts" for a somewhat complete list of which ones are in
 272    use at any given time.  Here is a list of common usages from Vojtech
 273    Pavlik <vojtech@suse.cz>:
 274        ("Not on bus" means there is no way for a card to generate this
 275        interrupt)
 276        IRQ  0 - Timer 0 (Not on bus)
 277        IRQ  1 - Keyboard (Not on bus)
 278        IRQ  2 - IRQ Controller 2 (Not on bus, nor does interrupt the CPU)
 279        IRQ  3 - COM2
 280        IRQ  4 - COM1
 281        IRQ  5 - FREE (LPT2 if you have it; sometimes COM3; maybe PLIP)
 282        IRQ  6 - Floppy disk controller
 283        IRQ  7 - FREE (LPT1 if you don't use the polling driver; PLIP) 
 284        IRQ  8 - Realtime Clock Interrupt (Not on bus)
 285        IRQ  9 - FREE (VGA vertical sync interrupt if enabled)
 286        IRQ 10 - FREE
 287        IRQ 11 - FREE
 288        IRQ 12 - FREE
 289        IRQ 13 - Numeric Coprocessor (Not on bus)
 290        IRQ 14 - Fixed Disk Controller
 291        IRQ 15 - FREE (Fixed Disk Controller 2 if you have it) 
 292        
 293        Note: IRQ 9 is used on some video cards for the "vertical retrace"
 294        interrupt.  This interrupt would have been handy for things like
 295        video games, as it occurs exactly once per screen refresh, but
 296        unfortunately IBM cancelled this feature starting with the original
 297        VGA and thus many VGA/SVGA cards do not support it.  For this
 298        reason, no modern software uses this interrupt and it can almost
 299        always be safely disabled, if your video card supports it at all.
 300        
 301        If your card for some reason CANNOT disable this IRQ (usually there
 302        is a jumper), one solution would be to clip the printed circuit
 303        contact on the board: it's the fourth contact from the left on the
 304        back side.  I take no responsibility if you try this.
 305
 306        - Avery's favourite: IRQ2 (actually IRQ9).  Watch that VGA, though.
 307
 308  - the memory address:  Unlike most cards, ARCnets use "shared memory" for
 309    copying buffers around.  Make SURE it doesn't conflict with any other
 310    used memory in your system!
 311        A0000           - VGA graphics memory (ok if you don't have VGA)
 312        B0000           - Monochrome text mode
 313        C0000           \  One of these is your VGA BIOS - usually C0000.
 314        E0000           /
 315        F0000           - System BIOS
 316
 317    Anything less than 0xA0000 is, well, a BAD idea since it isn't above
 318    640k.
 319        - Avery's favourite: 0xD0000
 320
 321  - the station address:  Every ARCnet card has its own "unique" network
 322    address from 0 to 255.  Unlike Ethernet, you can set this address
 323    yourself with a jumper or switch (or on some cards, with special
 324    software).  Since it's only 8 bits, you can only have 254 ARCnet cards
 325    on a network.  DON'T use 0 or 255, since these are reserved (although
 326    neat stuff will probably happen if you DO use them).  By the way, if you
 327    haven't already guessed, don't set this the same as any other ARCnet on
 328    your network!
 329        - Avery's favourite:  3 and 4.  Not that it matters.
 330
 331  - There may be ETS1 and ETS2 settings.  These may or may not make a
 332    difference on your card (many manuals call them "reserved"), but are
 333    used to change the delays used when powering up a computer on the
 334    network.  This is only necessary when wiring VERY long range ARCnet
 335    networks, on the order of 4km or so; in any case, the only real
 336    requirement here is that all cards on the network with ETS1 and ETS2
 337    jumpers have them in the same position.  Chris Hindy <chrish@io.org>
 338    sent in a chart with actual values for this:
 339        ET1     ET2     Response Time   Reconfiguration Time
 340        ---     ---     -------------   --------------------
 341        open    open    74.7us          840us
 342        open    closed  283.4us         1680us
 343        closed  open    561.8us         1680us
 344        closed  closed  1118.6us        1680us
 345    
 346    Make sure you set ETS1 and ETS2 to the SAME VALUE for all cards on your
 347    network.
 348    
 349Also, on many cards (not mine, though) there are red and green LED's. 
 350Vojtech Pavlik <vojtech@suse.cz> tells me this is what they mean:
 351        GREEN           RED             Status
 352        -----           ---             ------
 353        OFF             OFF             Power off
 354        OFF             Short flashes   Cabling problems (broken cable or not
 355                                          terminated)
 356        OFF (short)     ON              Card init
 357        ON              ON              Normal state - everything OK, nothing
 358                                          happens
 359        ON              Long flashes    Data transfer
 360        ON              OFF             Never happens (maybe when wrong ID)
 361
 362
 363The following is all the specific information people have sent me about
 364their own particular ARCnet cards.  It is officially a mess, and contains
 365huge amounts of duplicated information.  I have no time to fix it.  If you
 366want to, PLEASE DO!  Just send me a 'diff -u' of all your changes.
 367
 368The model # is listed right above specifics for that card, so you should be
 369able to use your text viewer's "search" function to find the entry you want. 
 370If you don't KNOW what kind of card you have, try looking through the
 371various diagrams to see if you can tell.
 372
 373If your model isn't listed and/or has different settings, PLEASE PLEASE
 374tell me.  I had to figure mine out without the manual, and it WASN'T FUN!
 375
 376Even if your ARCnet model isn't listed, but has the same jumpers as another
 377model that is, please e-mail me to say so.
 378
 379Cards Listed in this file (in this order, mostly):
 380
 381        Manufacturer    Model #                 Bits
 382        ------------    -------                 ----
 383        SMC             PC100                   8
 384        SMC             PC110                   8
 385        SMC             PC120                   8
 386        SMC             PC130                   8
 387        SMC             PC270E                  8
 388        SMC             PC500                   16
 389        SMC             PC500Longboard          16
 390        SMC             PC550Longboard          16
 391        SMC             PC600                   16
 392        SMC             PC710                   8
 393        SMC?            LCS-8830(-T)            8/16
 394        Puredata        PDI507                  8
 395        CNet Tech       CN120-Series            8
 396        CNet Tech       CN160-Series            16
 397        Lantech?        UM9065L chipset         8
 398        Acer            5210-003                8
 399        Datapoint?      LAN-ARC-8               8
 400        Topware         TA-ARC/10               8
 401        Thomas-Conrad   500-6242-0097 REV A     8
 402        Waterloo?       (C)1985 Waterloo Micro. 8
 403        No Name         --                      8/16
 404        No Name         Taiwan R.O.C?           8
 405        No Name         Model 9058              8
 406        Tiara           Tiara Lancard?          8
 407        
 408
 409** SMC = Standard Microsystems Corp.
 410** CNet Tech = CNet Technology, Inc.
 411
 412
 413Unclassified Stuff
 414------------------
 415  - Please send any other information you can find.
 416  
 417  - And some other stuff (more info is welcome!):
 418     From: root@ultraworld.xs4all.nl (Timo Hilbrink)
 419     To: apenwarr@foxnet.net (Avery Pennarun)
 420     Date: Wed, 26 Oct 1994 02:10:32 +0000 (GMT)
 421     Reply-To: timoh@xs4all.nl
 422
 423     [...parts deleted...]
 424
 425     About the jumpers: On my PC130 there is one more jumper, located near the
 426     cable-connector and it's for changing to star or bus topology; 
 427     closed: star - open: bus
 428     On the PC500 are some more jumper-pins, one block labeled with RX,PDN,TXI
 429     and another with ALE,LA17,LA18,LA19 these are undocumented..
 430
 431     [...more parts deleted...]
 432
 433     --- CUT ---
 434
 435
 436** Standard Microsystems Corp (SMC) **
 437PC100, PC110, PC120, PC130 (8-bit cards)
 438PC500, PC600 (16-bit cards)
 439---------------------------------
 440  - mainly from Avery Pennarun <apenwarr@worldvisions.ca>.  Values depicted
 441    are from Avery's setup.
 442  - special thanks to Timo Hilbrink <timoh@xs4all.nl> for noting that PC120,
 443    130, 500, and 600 all have the same switches as Avery's PC100. 
 444    PC500/600 have several extra, undocumented pins though. (?)
 445  - PC110 settings were verified by Stephen A. Wood <saw@cebaf.gov>
 446  - Also, the JP- and S-numbers probably don't match your card exactly.  Try
 447    to find jumpers/switches with the same number of settings - it's
 448    probably more reliable.
 449  
 450
 451     JP5                       [|]    :    :    :    :
 452(IRQ Setting)                 IRQ2  IRQ3 IRQ4 IRQ5 IRQ7
 453                Put exactly one jumper on exactly one set of pins.
 454
 455
 456                          1  2   3  4  5  6   7  8  9 10
 457     S1                /----------------------------------\
 458(I/O and Memory        |  1  1 * 0  0  0  0 * 1  1  0  1  |
 459 addresses)            \----------------------------------/
 460                          |--|   |--------|   |--------|
 461                          (a)       (b)           (m)
 462                          
 463                WARNING.  It's very important when setting these which way
 464                you're holding the card, and which way you think is '1'!
 465                
 466                If you suspect that your settings are not being made
 467                correctly, try reversing the direction or inverting the
 468                switch positions.
 469
 470                a: The first digit of the I/O address.
 471                        Setting         Value
 472                        -------         -----
 473                        00              0
 474                        01              1
 475                        10              2
 476                        11              3
 477
 478                b: The second digit of the I/O address.
 479                        Setting         Value
 480                        -------         -----
 481                        0000            0
 482                        0001            1
 483                        0010            2
 484                        ...             ...
 485                        1110            E
 486                        1111            F
 487
 488                The I/O address is in the form ab0.  For example, if
 489                a is 0x2 and b is 0xE, the address will be 0x2E0.
 490
 491                DO NOT SET THIS LESS THAN 0x200!!!!!
 492
 493
 494                m: The first digit of the memory address.
 495                        Setting         Value
 496                        -------         -----
 497                        0000            0
 498                        0001            1
 499                        0010            2
 500                        ...             ...
 501                        1110            E
 502                        1111            F
 503
 504                The memory address is in the form m0000.  For example, if
 505                m is D, the address will be 0xD0000.
 506
 507                DO NOT SET THIS TO C0000, F0000, OR LESS THAN A0000!
 508
 509                          1  2  3  4  5  6  7  8
 510     S2                /--------------------------\
 511(Station Address)      |  1  1  0  0  0  0  0  0  |
 512                       \--------------------------/
 513
 514                        Setting         Value
 515                        -------         -----
 516                        00000000        00
 517                        10000000        01
 518                        01000000        02
 519                        ...
 520                        01111111        FE
 521                        11111111        FF
 522
 523                Note that this is binary with the digits reversed!
 524
 525                DO NOT SET THIS TO 0 OR 255 (0xFF)!
 526
 527
 528*****************************************************************************
 529
 530** Standard Microsystems Corp (SMC) **
 531PC130E/PC270E (8-bit cards)
 532---------------------------
 533  - from Juergen Seifert <seifert@htwm.de>
 534
 535
 536STANDARD MICROSYSTEMS CORPORATION (SMC) ARCNET(R)-PC130E/PC270E
 537===============================================================
 538
 539This description has been written by Juergen Seifert <seifert@htwm.de>
 540using information from the following Original SMC Manual 
 541
 542             "Configuration Guide for
 543             ARCNET(R)-PC130E/PC270
 544            Network Controller Boards
 545                Pub. # 900.044A
 546                   June, 1989"
 547
 548ARCNET is a registered trademark of the Datapoint Corporation
 549SMC is a registered trademark of the Standard Microsystems Corporation  
 550
 551The PC130E is an enhanced version of the PC130 board, is equipped with a 
 552standard BNC female connector for connection to RG-62/U coax cable.
 553Since this board is designed both for point-to-point connection in star
 554networks and for connection to bus networks, it is downwardly compatible 
 555with all the other standard boards designed for coax networks (that is,
 556the PC120, PC110 and PC100 star topology boards and the PC220, PC210 and 
 557PC200 bus topology boards).
 558
 559The PC270E is an enhanced version of the PC260 board, is equipped with two 
 560modular RJ11-type jacks for connection to twisted pair wiring.
 561It can be used in a star or a daisy-chained network.
 562
 563
 564         8 7 6 5 4 3 2 1
 565    ________________________________________________________________
 566   |   |       S1        |                                          |
 567   |   |_________________|                                          |
 568   |    Offs|Base |I/O Addr                                         |
 569   |     RAM Addr |                                              ___|
 570   |         ___  ___                                       CR3 |___|
 571   |        |   \/   |                                      CR4 |___|
 572   |        |  PROM  |                                           ___|
 573   |        |        |                                        N |   | 8
 574   |        | SOCKET |                                        o |   | 7
 575   |        |________|                                        d |   | 6
 576   |                   ___________________                    e |   | 5
 577   |                  |                   |                   A | S | 4
 578   |       |oo| EXT2  |                   |                   d | 2 | 3
 579   |       |oo| EXT1  |       SMC         |                   d |   | 2
 580   |       |oo| ROM   |      90C63        |                   r |___| 1
 581   |       |oo| IRQ7  |                   |               |o|  _____|
 582   |       |oo| IRQ5  |                   |               |o| | J1  |
 583   |       |oo| IRQ4  |                   |              STAR |_____|
 584   |       |oo| IRQ3  |                   |                   | J2  |
 585   |       |oo| IRQ2  |___________________|                   |_____|
 586   |___                                               ______________|
 587       |                                             |
 588       |_____________________________________________|
 589
 590Legend:
 591
 592SMC 90C63       ARCNET Controller / Transceiver /Logic
 593S1      1-3:    I/O Base Address Select
 594        4-6:    Memory Base Address Select
 595        7-8:    RAM Offset Select
 596S2      1-8:    Node ID Select
 597EXT             Extended Timeout Select
 598ROM             ROM Enable Select
 599STAR            Selected - Star Topology        (PC130E only)
 600                Deselected - Bus Topology       (PC130E only)
 601CR3/CR4         Diagnostic LEDs
 602J1              BNC RG62/U Connector            (PC130E only)
 603J1              6-position Telephone Jack       (PC270E only)
 604J2              6-position Telephone Jack       (PC270E only)
 605
 606Setting one of the switches to Off/Open means "1", On/Closed means "0".
 607
 608
 609Setting the Node ID
 610-------------------
 611
 612The eight switches in group S2 are used to set the node ID.
 613These switches work in a way similar to the PC100-series cards; see that
 614entry for more information.
 615
 616
 617Setting the I/O Base Address
 618----------------------------
 619
 620The first three switches in switch group S1 are used to select one
 621of eight possible I/O Base addresses using the following table
 622
 623
 624   Switch | Hex I/O
 625   1 2 3  | Address
 626   -------|--------
 627   0 0 0  |  260
 628   0 0 1  |  290
 629   0 1 0  |  2E0  (Manufacturer's default)
 630   0 1 1  |  2F0
 631   1 0 0  |  300
 632   1 0 1  |  350
 633   1 1 0  |  380
 634   1 1 1  |  3E0
 635
 636
 637Setting the Base Memory (RAM) buffer Address
 638--------------------------------------------
 639
 640The memory buffer requires 2K of a 16K block of RAM. The base of this
 64116K block can be located in any of eight positions.
 642Switches 4-6 of switch group S1 select the Base of the 16K block.
 643Within that 16K address space, the buffer may be assigned any one of four 
 644positions, determined by the offset, switches 7 and 8 of group S1.
 645
 646   Switch     | Hex RAM | Hex ROM
 647   4 5 6  7 8 | Address | Address *)
 648   -----------|---------|-----------
 649   0 0 0  0 0 |  C0000  |  C2000
 650   0 0 0  0 1 |  C0800  |  C2000
 651   0 0 0  1 0 |  C1000  |  C2000
 652   0 0 0  1 1 |  C1800  |  C2000
 653              |         |
 654   0 0 1  0 0 |  C4000  |  C6000
 655   0 0 1  0 1 |  C4800  |  C6000
 656   0 0 1  1 0 |  C5000  |  C6000
 657   0 0 1  1 1 |  C5800  |  C6000
 658              |         |
 659   0 1 0  0 0 |  CC000  |  CE000
 660   0 1 0  0 1 |  CC800  |  CE000
 661   0 1 0  1 0 |  CD000  |  CE000
 662   0 1 0  1 1 |  CD800  |  CE000
 663              |         |
 664   0 1 1  0 0 |  D0000  |  D2000  (Manufacturer's default)
 665   0 1 1  0 1 |  D0800  |  D2000
 666   0 1 1  1 0 |  D1000  |  D2000
 667   0 1 1  1 1 |  D1800  |  D2000
 668              |         |
 669   1 0 0  0 0 |  D4000  |  D6000
 670   1 0 0  0 1 |  D4800  |  D6000
 671   1 0 0  1 0 |  D5000  |  D6000
 672   1 0 0  1 1 |  D5800  |  D6000
 673              |         |
 674   1 0 1  0 0 |  D8000  |  DA000
 675   1 0 1  0 1 |  D8800  |  DA000
 676   1 0 1  1 0 |  D9000  |  DA000
 677   1 0 1  1 1 |  D9800  |  DA000
 678              |         |
 679   1 1 0  0 0 |  DC000  |  DE000
 680   1 1 0  0 1 |  DC800  |  DE000
 681   1 1 0  1 0 |  DD000  |  DE000
 682   1 1 0  1 1 |  DD800  |  DE000
 683              |         |
 684   1 1 1  0 0 |  E0000  |  E2000
 685   1 1 1  0 1 |  E0800  |  E2000
 686   1 1 1  1 0 |  E1000  |  E2000
 687   1 1 1  1 1 |  E1800  |  E2000
 688  
 689*) To enable the 8K Boot PROM install the jumper ROM.
 690   The default is jumper ROM not installed.
 691
 692
 693Setting the Timeouts and Interrupt
 694----------------------------------
 695
 696The jumpers labeled EXT1 and EXT2 are used to determine the timeout 
 697parameters. These two jumpers are normally left open.
 698
 699To select a hardware interrupt level set one (only one!) of the jumpers
 700IRQ2, IRQ3, IRQ4, IRQ5, IRQ7. The Manufacturer's default is IRQ2.
 701 
 702
 703Configuring the PC130E for Star or Bus Topology
 704-----------------------------------------------
 705
 706The single jumper labeled STAR is used to configure the PC130E board for 
 707star or bus topology.
 708When the jumper is installed, the board may be used in a star network, when 
 709it is removed, the board can be used in a bus topology.
 710
 711
 712Diagnostic LEDs
 713---------------
 714
 715Two diagnostic LEDs are visible on the rear bracket of the board.
 716The green LED monitors the network activity: the red one shows the
 717board activity:
 718
 719 Green  | Status               Red      | Status
 720 -------|-------------------   ---------|-------------------
 721  on    | normal activity      flash/on | data transfer
 722  blink | reconfiguration      off      | no data transfer;
 723  off   | defective board or            | incorrect memory or
 724        | node ID is zero               | I/O address
 725
 726
 727*****************************************************************************
 728
 729** Standard Microsystems Corp (SMC) **
 730PC500/PC550 Longboard (16-bit cards)
 731-------------------------------------
 732  - from Juergen Seifert <seifert@htwm.de>
 733
 734
 735STANDARD MICROSYSTEMS CORPORATION (SMC) ARCNET-PC500/PC550 Long Board
 736=====================================================================
 737
 738Note: There is another Version of the PC500 called Short Version, which 
 739      is different in hard- and software! The most important differences
 740      are:
 741      - The long board has no Shared memory.
 742      - On the long board the selection of the interrupt is done by binary
 743        coded switch, on the short board directly by jumper.
 744        
 745[Avery's note: pay special attention to that: the long board HAS NO SHARED
 746MEMORY.  This means the current Linux-ARCnet driver can't use these cards. 
 747I have obtained a PC500Longboard and will be doing some experiments on it in
 748the future, but don't hold your breath.  Thanks again to Juergen Seifert for
 749his advice about this!]
 750
 751This description has been written by Juergen Seifert <seifert@htwm.de>
 752using information from the following Original SMC Manual 
 753
 754             "Configuration Guide for
 755             SMC ARCNET-PC500/PC550
 756         Series Network Controller Boards
 757             Pub. # 900.033 Rev. A
 758                November, 1989"
 759
 760ARCNET is a registered trademark of the Datapoint Corporation
 761SMC is a registered trademark of the Standard Microsystems Corporation  
 762
 763The PC500 is equipped with a standard BNC female connector for connection
 764to RG-62/U coax cable.
 765The board is designed both for point-to-point connection in star networks
 766and for connection to bus networks.
 767
 768The PC550 is equipped with two modular RJ11-type jacks for connection
 769to twisted pair wiring.
 770It can be used in a star or a daisy-chained (BUS) network.
 771
 772       1 
 773       0 9 8 7 6 5 4 3 2 1     6 5 4 3 2 1
 774    ____________________________________________________________________
 775   < |         SW1         | |     SW2     |                            |
 776   > |_____________________| |_____________|                            |
 777   <   IRQ    |I/O Addr                                                 |
 778   >                                                                 ___|
 779   <                                                            CR4 |___|
 780   >                                                            CR3 |___|
 781   <                                                                 ___|
 782   >                                                              N |   | 8
 783   <                                                              o |   | 7
 784   >                                                              d | S | 6
 785   <                                                              e | W | 5
 786   >                                                              A | 3 | 4
 787   <                                                              d |   | 3
 788   >                                                              d |   | 2
 789   <                                                              r |___| 1
 790   >                                                        |o|    _____|
 791   <                                                        |o|   | J1  |
 792   >  3 1                                                   JP6   |_____|
 793   < |o|o| JP2                                                    | J2  |
 794   > |o|o|                                                        |_____|
 795   <  4 2__                                               ______________|
 796   >    |  |                                             |
 797   <____|  |_____________________________________________|
 798
 799Legend:
 800
 801SW1     1-6:    I/O Base Address Select
 802        7-10:   Interrupt Select
 803SW2     1-6:    Reserved for Future Use
 804SW3     1-8:    Node ID Select
 805JP2     1-4:    Extended Timeout Select
 806JP6             Selected - Star Topology        (PC500 only)
 807                Deselected - Bus Topology       (PC500 only)
 808CR3     Green   Monitors Network Activity
 809CR4     Red     Monitors Board Activity
 810J1              BNC RG62/U Connector            (PC500 only)
 811J1              6-position Telephone Jack       (PC550 only)
 812J2              6-position Telephone Jack       (PC550 only)
 813
 814Setting one of the switches to Off/Open means "1", On/Closed means "0".
 815
 816
 817Setting the Node ID
 818-------------------
 819
 820The eight switches in group SW3 are used to set the node ID. Each node
 821attached to the network must have an unique node ID which must be 
 822different from 0.
 823Switch 1 serves as the least significant bit (LSB).
 824
 825The node ID is the sum of the values of all switches set to "1"  
 826These values are:
 827
 828    Switch | Value
 829    -------|-------
 830      1    |   1
 831      2    |   2
 832      3    |   4
 833      4    |   8
 834      5    |  16
 835      6    |  32
 836      7    |  64
 837      8    | 128
 838
 839Some Examples:
 840
 841    Switch         | Hex     | Decimal 
 842   8 7 6 5 4 3 2 1 | Node ID | Node ID
 843   ----------------|---------|---------
 844   0 0 0 0 0 0 0 0 |    not allowed
 845   0 0 0 0 0 0 0 1 |    1    |    1 
 846   0 0 0 0 0 0 1 0 |    2    |    2
 847   0 0 0 0 0 0 1 1 |    3    |    3
 848       . . .       |         |
 849   0 1 0 1 0 1 0 1 |   55    |   85
 850       . . .       |         |
 851   1 0 1 0 1 0 1 0 |   AA    |  170
 852       . . .       |         |  
 853   1 1 1 1 1 1 0 1 |   FD    |  253
 854   1 1 1 1 1 1 1 0 |   FE    |  254
 855   1 1 1 1 1 1 1 1 |   FF    |  255 
 856
 857
 858Setting the I/O Base Address
 859----------------------------
 860
 861The first six switches in switch group SW1 are used to select one
 862of 32 possible I/O Base addresses using the following table
 863
 864   Switch       | Hex I/O
 865   6 5  4 3 2 1 | Address
 866   -------------|--------
 867   0 1  0 0 0 0 |  200
 868   0 1  0 0 0 1 |  210
 869   0 1  0 0 1 0 |  220
 870   0 1  0 0 1 1 |  230
 871   0 1  0 1 0 0 |  240
 872   0 1  0 1 0 1 |  250
 873   0 1  0 1 1 0 |  260
 874   0 1  0 1 1 1 |  270
 875   0 1  1 0 0 0 |  280
 876   0 1  1 0 0 1 |  290
 877   0 1  1 0 1 0 |  2A0
 878   0 1  1 0 1 1 |  2B0
 879   0 1  1 1 0 0 |  2C0
 880   0 1  1 1 0 1 |  2D0
 881   0 1  1 1 1 0 |  2E0 (Manufacturer's default)
 882   0 1  1 1 1 1 |  2F0
 883   1 1  0 0 0 0 |  300
 884   1 1  0 0 0 1 |  310
 885   1 1  0 0 1 0 |  320
 886   1 1  0 0 1 1 |  330
 887   1 1  0 1 0 0 |  340
 888   1 1  0 1 0 1 |  350
 889   1 1  0 1 1 0 |  360
 890   1 1  0 1 1 1 |  370
 891   1 1  1 0 0 0 |  380
 892   1 1  1 0 0 1 |  390
 893   1 1  1 0 1 0 |  3A0
 894   1 1  1 0 1 1 |  3B0
 895   1 1  1 1 0 0 |  3C0
 896   1 1  1 1 0 1 |  3D0
 897   1 1  1 1 1 0 |  3E0
 898   1 1  1 1 1 1 |  3F0
 899
 900
 901Setting the Interrupt
 902---------------------
 903
 904Switches seven through ten of switch group SW1 are used to select the 
 905interrupt level. The interrupt level is binary coded, so selections 
 906from 0 to 15 would be possible, but only the following eight values will
 907be supported: 3, 4, 5, 7, 9, 10, 11, 12.
 908
 909   Switch   | IRQ
 910   10 9 8 7 | 
 911   ---------|-------- 
 912    0 0 1 1 |  3
 913    0 1 0 0 |  4
 914    0 1 0 1 |  5
 915    0 1 1 1 |  7
 916    1 0 0 1 |  9 (=2) (default)
 917    1 0 1 0 | 10
 918    1 0 1 1 | 11
 919    1 1 0 0 | 12
 920
 921
 922Setting the Timeouts 
 923--------------------
 924
 925The two jumpers JP2 (1-4) are used to determine the timeout parameters. 
 926These two jumpers are normally left open.
 927Refer to the COM9026 Data Sheet for alternate configurations.
 928
 929
 930Configuring the PC500 for Star or Bus Topology
 931----------------------------------------------
 932
 933The single jumper labeled JP6 is used to configure the PC500 board for 
 934star or bus topology.
 935When the jumper is installed, the board may be used in a star network, when 
 936it is removed, the board can be used in a bus topology.
 937
 938
 939Diagnostic LEDs
 940---------------
 941
 942Two diagnostic LEDs are visible on the rear bracket of the board.
 943The green LED monitors the network activity: the red one shows the
 944board activity:
 945
 946 Green  | Status               Red      | Status
 947 -------|-------------------   ---------|-------------------
 948  on    | normal activity      flash/on | data transfer
 949  blink | reconfiguration      off      | no data transfer;
 950  off   | defective board or            | incorrect memory or
 951        | node ID is zero               | I/O address
 952
 953
 954*****************************************************************************
 955
 956** SMC **
 957PC710 (8-bit card)
 958------------------
 959  - from J.S. van Oosten <jvoosten@compiler.tdcnet.nl>
 960  
 961Note: this data is gathered by experimenting and looking at info of other
 962cards. However, I'm sure I got 99% of the settings right.
 963
 964The SMC710 card resembles the PC270 card, but is much more basic (i.e. no
 965LEDs, RJ11 jacks, etc.) and 8 bit. Here's a little drawing:
 966
 967    _______________________________________   
 968   | +---------+  +---------+              |____
 969   | |   S2    |  |   S1    |              |
 970   | +---------+  +---------+              |
 971   |                                       |
 972   |  +===+    __                          |
 973   |  | R |   |  | X-tal                 ###___
 974   |  | O |   |__|                      ####__'|
 975   |  | M |    ||                        ###
 976   |  +===+                                |
 977   |                                       |
 978   |   .. JP1   +----------+               |
 979   |   ..       | big chip |               |   
 980   |   ..       |  90C63   |               |
 981   |   ..       |          |               |
 982   |   ..       +----------+               |
 983    -------                     -----------
 984           |||||||||||||||||||||
 985
 986The row of jumpers at JP1 actually consists of 8 jumpers, (sometimes
 987labelled) the same as on the PC270, from top to bottom: EXT2, EXT1, ROM,
 988IRQ7, IRQ5, IRQ4, IRQ3, IRQ2 (gee, wonder what they would do? :-) )
 989
 990S1 and S2 perform the same function as on the PC270, only their numbers
 991are swapped (S1 is the nodeaddress, S2 sets IO- and RAM-address).
 992
 993I know it works when connected to a PC110 type ARCnet board.
 994
 995        
 996*****************************************************************************
 997
 998** Possibly SMC **
 999LCS-8830(-T) (8 and 16-bit cards)
1000---------------------------------
1001  - from Mathias Katzer <mkatzer@HRZ.Uni-Bielefeld.DE>
1002  - Marek Michalkiewicz <marekm@i17linuxb.ists.pwr.wroc.pl> says the
1003    LCS-8830 is slightly different from LCS-8830-T.  These are 8 bit, BUS
1004    only (the JP0 jumper is hardwired), and BNC only.
1005        
1006This is a LCS-8830-T made by SMC, I think ('SMC' only appears on one PLCC,
1007nowhere else, not even on the few Xeroxed sheets from the manual).
1008
1009SMC ARCnet Board Type LCS-8830-T
1010
1011   ------------------------------------
1012  |                                    |
1013  |              JP3 88  8 JP2         |
1014  |       #####      | \               |
1015  |       #####    ET1 ET2          ###|
1016  |                              8  ###|
1017  |  U3   SW 1                  JP0 ###|  Phone Jacks
1018  |  --                             ###|
1019  | |  |                               |
1020  | |  |   SW2                         |
1021  | |  |                               |
1022  | |  |  #####                        |
1023  |  --   #####                       ####  BNC Connector 
1024  |                                   ####
1025  |   888888 JP1                       |
1026  |   234567                           |
1027   --                           -------
1028     |||||||||||||||||||||||||||
1029      --------------------------
1030
1031
1032SW1: DIP-Switches for Station Address
1033SW2: DIP-Switches for Memory Base and I/O Base addresses
1034
1035JP0: If closed, internal termination on (default open)
1036JP1: IRQ Jumpers
1037JP2: Boot-ROM enabled if closed
1038JP3: Jumpers for response timeout
1039 
1040U3: Boot-ROM Socket          
1041
1042
1043ET1 ET2     Response Time     Idle Time    Reconfiguration Time
1044
1045               78                86               840
1046 X            285               316              1680
1047     X        563               624              1680
1048 X   X       1130              1237              1680
1049
1050(X means closed jumper)
1051
1052(DIP-Switch downwards means "0")
1053
1054The station address is binary-coded with SW1.
1055
1056The I/O base address is coded with DIP-Switches 6,7 and 8 of SW2:
1057
1058Switches        Base
1059678             Address
1060000             260-26f
1061100             290-29f
1062010             2e0-2ef
1063110             2f0-2ff
1064001             300-30f
1065101             350-35f
1066011             380-38f
1067111             3e0-3ef
1068
1069
1070DIP Switches 1-5 of SW2 encode the RAM and ROM Address Range:
1071
1072Switches        RAM           ROM
107312345           Address Range  Address Range
107400000           C:0000-C:07ff   C:2000-C:3fff
107510000           C:0800-C:0fff
107601000           C:1000-C:17ff
107711000           C:1800-C:1fff
107800100           C:4000-C:47ff   C:6000-C:7fff
107910100           C:4800-C:4fff
108001100           C:5000-C:57ff 
108111100           C:5800-C:5fff
108200010           C:C000-C:C7ff   C:E000-C:ffff
108310010           C:C800-C:Cfff
108401010           C:D000-C:D7ff
108511010           C:D800-C:Dfff
108600110           D:0000-D:07ff   D:2000-D:3fff
108710110           D:0800-D:0fff
108801110           D:1000-D:17ff
108911110           D:1800-D:1fff
109000001           D:4000-D:47ff   D:6000-D:7fff
109110001           D:4800-D:4fff
109201001           D:5000-D:57ff
109311001           D:5800-D:5fff
109400101           D:8000-D:87ff   D:A000-D:bfff
109510101           D:8800-D:8fff
109601101           D:9000-D:97ff
109711101           D:9800-D:9fff 
109800011           D:C000-D:c7ff   D:E000-D:ffff
109910011           D:C800-D:cfff
110001011           D:D000-D:d7ff
110111011           D:D800-D:dfff
110200111           E:0000-E:07ff   E:2000-E:3fff
110310111           E:0800-E:0fff
110401111           E:1000-E:17ff
110511111           E:1800-E:1fff
1106
1107
1108*****************************************************************************
1109
1110** PureData Corp **
1111PDI507 (8-bit card)
1112--------------------
1113  - from Mark Rejhon <mdrejhon@magi.com> (slight modifications by Avery)
1114  - Avery's note: I think PDI508 cards (but definitely NOT PDI508Plus cards)
1115    are mostly the same as this.  PDI508Plus cards appear to be mainly
1116    software-configured.
1117
1118Jumpers:
1119        There is a jumper array at the bottom of the card, near the edge
1120        connector.  This array is labelled J1.  They control the IRQs and
1121        something else.  Put only one jumper on the IRQ pins.
1122
1123        ETS1, ETS2 are for timing on very long distance networks.  See the
1124        more general information near the top of this file.
1125
1126        There is a J2 jumper on two pins.  A jumper should be put on them,
1127        since it was already there when I got the card.  I don't know what
1128        this jumper is for though.
1129
1130        There is a two-jumper array for J3.  I don't know what it is for,
1131        but there were already two jumpers on it when I got the card.  It's
1132        a six pin grid in a two-by-three fashion.  The jumpers were
1133        configured as follows:
1134
1135           .-------.
1136         o | o   o |
1137           :-------:    ------> Accessible end of card with connectors
1138         o | o   o |             in this direction ------->
1139           `-------'
1140
1141Carl de Billy <CARL@carainfo.com> explains J3 and J4:
1142
1143        J3 Diagram:
1144
1145           .-------.
1146         o | o   o |
1147           :-------:    TWIST Technology
1148         o | o   o |
1149           `-------'
1150           .-------.
1151           | o   o | o
1152           :-------:    COAX Technology
1153           | o   o | o
1154           `-------'
1155
1156  - If using coax cable in a bus topology the J4 jumper must be removed;
1157    place it on one pin.
1158
1159  - If using bus topology with twisted pair wiring move the J3 
1160    jumpers so they connect the middle pin and the pins closest to the RJ11
1161    Connectors.  Also the J4 jumper must be removed; place it on one pin of
1162    J4 jumper for storage.
1163
1164  - If using  star topology with twisted pair wiring move the J3 
1165    jumpers so they connect the middle pin and the pins closest to the RJ11
1166    connectors.
1167
1168
1169DIP Switches:
1170
1171        The DIP switches accessible on the accessible end of the card while
1172        it is installed, is used to set the ARCnet address.  There are 8
1173        switches.  Use an address from 1 to 254.
1174
1175        Switch No.
1176        12345678        ARCnet address
1177        -----------------------------------------
1178        00000000        FF      (Don't use this!)
1179        00000001        FE
1180        00000010        FD
1181        ....
1182        11111101        2       
1183        11111110        1
1184        11111111        0       (Don't use this!)
1185
1186        There is another array of eight DIP switches at the top of the
1187        card.  There are five labelled MS0-MS4 which seem to control the
1188        memory address, and another three labelled IO0-IO2 which seem to
1189        control the base I/O address of the card.
1190
1191        This was difficult to test by trial and error, and the I/O addresses
1192        are in a weird order.  This was tested by setting the DIP switches,
1193        rebooting the computer, and attempting to load ARCETHER at various
1194        addresses (mostly between 0x200 and 0x400).  The address that caused
1195        the red transmit LED to blink, is the one that I thought works.
1196
1197        Also, the address 0x3D0 seem to have a special meaning, since the
1198        ARCETHER packet driver loaded fine, but without the red LED
1199        blinking.  I don't know what 0x3D0 is for though.  I recommend using
1200        an address of 0x300 since Windows may not like addresses below
1201        0x300.
1202
1203        IO Switch No.
1204        210             I/O address
1205        -------------------------------
1206        111             0x260
1207        110             0x290
1208        101             0x2E0
1209        100             0x2F0
1210        011             0x300
1211        010             0x350
1212        001             0x380
1213        000             0x3E0
1214
1215        The memory switches set a reserved address space of 0x1000 bytes
1216        (0x100 segment units, or 4k).  For example if I set an address of
1217        0xD000, it will use up addresses 0xD000 to 0xD100.
1218
1219        The memory switches were tested by booting using QEMM386 stealth,
1220        and using LOADHI to see what address automatically became excluded
1221        from the upper memory regions, and then attempting to load ARCETHER
1222        using these addresses.
1223
1224        I recommend using an ARCnet memory address of 0xD000, and putting
1225        the EMS page frame at 0xC000 while using QEMM stealth mode.  That
1226        way, you get contiguous high memory from 0xD100 almost all the way
1227        the end of the megabyte.
1228
1229        Memory Switch 0 (MS0) didn't seem to work properly when set to OFF
1230        on my card.  It could be malfunctioning on my card.  Experiment with
1231        it ON first, and if it doesn't work, set it to OFF.  (It may be a
1232        modifier for the 0x200 bit?)
1233
1234        MS Switch No.
1235        43210           Memory address
1236        --------------------------------
1237        00001           0xE100  (guessed - was not detected by QEMM)
1238        00011           0xE000  (guessed - was not detected by QEMM)
1239        00101           0xDD00
1240        00111           0xDC00
1241        01001           0xD900
1242        01011           0xD800
1243        01101           0xD500
1244        01111           0xD400
1245        10001           0xD100
1246        10011           0xD000
1247        10101           0xCD00
1248        10111           0xCC00
1249        11001           0xC900 (guessed - crashes tested system)
1250        11011           0xC800 (guessed - crashes tested system)
1251        11101           0xC500 (guessed - crashes tested system)
1252        11111           0xC400 (guessed - crashes tested system)
1253        
1254        
1255*****************************************************************************
1256
1257** CNet Technology Inc. **
1258120 Series (8-bit cards)
1259------------------------
1260  - from Juergen Seifert <seifert@htwm.de>
1261
1262
1263CNET TECHNOLOGY INC. (CNet) ARCNET 120A SERIES
1264==============================================
1265
1266This description has been written by Juergen Seifert <seifert@htwm.de>
1267using information from the following Original CNet Manual 
1268
1269              "ARCNET
1270            USER'S MANUAL 
1271                for
1272               CN120A
1273               CN120AB
1274               CN120TP
1275               CN120ST
1276               CN120SBT
1277             P/N:12-01-0007
1278             Revision 3.00"
1279
1280ARCNET is a registered trademark of the Datapoint Corporation
1281
1282P/N 120A   ARCNET 8 bit XT/AT Star
1283P/N 120AB  ARCNET 8 bit XT/AT Bus
1284P/N 120TP  ARCNET 8 bit XT/AT Twisted Pair
1285P/N 120ST  ARCNET 8 bit XT/AT Star, Twisted Pair
1286P/N 120SBT ARCNET 8 bit XT/AT Star, Bus, Twisted Pair
1287
1288    __________________________________________________________________
1289   |                                                                  |
1290   |                                                               ___|
1291   |                                                          LED |___|
1292   |                                                               ___|
1293   |                                                            N |   | ID7
1294   |                                                            o |   | ID6
1295   |                                                            d | S | ID5
1296   |                                                            e | W | ID4
1297   |                     ___________________                    A | 2 | ID3
1298   |                    |                   |                   d |   | ID2
1299   |                    |                   |  1 2 3 4 5 6 7 8  d |   | ID1
1300   |                    |                   | _________________ r |___| ID0
1301   |                    |      90C65        ||       SW1       |  ____|
1302   |  JP 8 7            |                   ||_________________| |    |
1303   |    |o|o|  JP1      |                   |                    | J2 |
1304   |    |o|o|  |oo|     |                   |         JP 1 1 1   |    |
1305   |   ______________   |                   |            0 1 2   |____|
1306   |  |  PROM        |  |___________________|           |o|o|o|  _____|
1307   |  >  SOCKET      |  JP 6 5 4 3 2                    |o|o|o| | J1  |
1308   |  |______________|    |o|o|o|o|o|                   |o|o|o| |_____|
1309   |_____                 |o|o|o|o|o|                   ______________|
1310         |                                             |
1311         |_____________________________________________|
1312
1313Legend:
1314
131590C65       ARCNET Probe
1316S1  1-5:    Base Memory Address Select
1317    6-8:    Base I/O Address Select
1318S2  1-8:    Node ID Select (ID0-ID7)
1319JP1     ROM Enable Select
1320JP2     IRQ2
1321JP3     IRQ3
1322JP4     IRQ4
1323JP5     IRQ5
1324JP6     IRQ7
1325JP7/JP8     ET1, ET2 Timeout Parameters
1326JP10/JP11   Coax / Twisted Pair Select  (CN120ST/SBT only)
1327JP12        Terminator Select       (CN120AB/ST/SBT only)
1328J1      BNC RG62/U Connector        (all except CN120TP)
1329J2      Two 6-position Telephone Jack   (CN120TP/ST/SBT only)
1330
1331Setting one of the switches to Off means "1", On means "0".
1332
1333
1334Setting the Node ID
1335-------------------
1336
1337The eight switches in SW2 are used to set the node ID. Each node attached
1338to the network must have an unique node ID which must be different from 0.
1339Switch 1 (ID0) serves as the least significant bit (LSB).
1340
1341The node ID is the sum of the values of all switches set to "1"  
1342These values are:
1343
1344   Switch | Label | Value
1345   -------|-------|-------
1346     1    | ID0   |   1
1347     2    | ID1   |   2
1348     3    | ID2   |   4
1349     4    | ID3   |   8
1350     5    | ID4   |  16
1351     6    | ID5   |  32
1352     7    | ID6   |  64
1353     8    | ID7   | 128
1354
1355Some Examples:
1356
1357    Switch         | Hex     | Decimal 
1358   8 7 6 5 4 3 2 1 | Node ID | Node ID
1359   ----------------|---------|---------
1360   0 0 0 0 0 0 0 0 |    not allowed
1361   0 0 0 0 0 0 0 1 |    1    |    1 
1362   0 0 0 0 0 0 1 0 |    2    |    2
1363   0 0 0 0 0 0 1 1 |    3    |    3
1364       . . .       |         |
1365   0 1 0 1 0 1 0 1 |   55    |   85
1366       . . .       |         |
1367   1 0 1 0 1 0 1 0 |   AA    |  170
1368       . . .       |         |  
1369   1 1 1 1 1 1 0 1 |   FD    |  253
1370   1 1 1 1 1 1 1 0 |   FE    |  254
1371   1 1 1 1 1 1 1 1 |   FF    |  255
1372
1373
1374Setting the I/O Base Address
1375----------------------------
1376
1377The last three switches in switch block SW1 are used to select one
1378of eight possible I/O Base addresses using the following table
1379
1380
1381   Switch      | Hex I/O
1382    6   7   8  | Address
1383   ------------|--------
1384   ON  ON  ON  |  260
1385   OFF ON  ON  |  290
1386   ON  OFF ON  |  2E0  (Manufacturer's default)
1387   OFF OFF ON  |  2F0
1388   ON  ON  OFF |  300
1389   OFF ON  OFF |  350
1390   ON  OFF OFF |  380
1391   OFF OFF OFF |  3E0
1392
1393
1394Setting the Base Memory (RAM) buffer Address
1395--------------------------------------------
1396
1397The memory buffer (RAM) requires 2K. The base of this buffer can be 
1398located in any of eight positions. The address of the Boot Prom is
1399memory base + 8K or memory base + 0x2000.
1400Switches 1-5 of switch block SW1 select the Memory Base address.
1401
1402   Switch              | Hex RAM | Hex ROM
1403    1   2   3   4   5  | Address | Address *)
1404   --------------------|---------|-----------
1405   ON  ON  ON  ON  ON  |  C0000  |  C2000
1406   ON  ON  OFF ON  ON  |  C4000  |  C6000
1407   ON  ON  ON  OFF ON  |  CC000  |  CE000
1408   ON  ON  OFF OFF ON  |  D0000  |  D2000  (Manufacturer's default)
1409   ON  ON  ON  ON  OFF |  D4000  |  D6000
1410   ON  ON  OFF ON  OFF |  D8000  |  DA000
1411   ON  ON  ON  OFF OFF |  DC000  |  DE000
1412   ON  ON  OFF OFF OFF |  E0000  |  E2000
1413  
1414*) To enable the Boot ROM install the jumper JP1
1415
1416Note: Since the switches 1 and 2 are always set to ON it may be possible
1417      that they can be used to add an offset of 2K, 4K or 6K to the base
1418      address, but this feature is not documented in the manual and I
1419      haven't tested it yet.
1420
1421
1422Setting the Interrupt Line
1423--------------------------
1424
1425To select a hardware interrupt level install one (only one!) of the jumpers
1426JP2, JP3, JP4, JP5, JP6. JP2 is the default.
1427
1428   Jumper | IRQ     
1429   -------|-----
1430     2    |  2
1431     3    |  3
1432     4    |  4
1433     5    |  5
1434     6    |  7
1435
1436
1437Setting the Internal Terminator on CN120AB/TP/SBT
1438--------------------------------------------------
1439
1440The jumper JP12 is used to enable the internal terminator. 
1441
1442                         -----
1443       0                |  0  |     
1444     -----   ON         |     |  ON
1445    |  0  |             |  0  |
1446    |     |  OFF         -----   OFF
1447    |  0  |                0
1448     -----
1449   Terminator          Terminator 
1450    disabled            enabled
1451  
1452
1453Selecting the Connector Type on CN120ST/SBT
1454-------------------------------------------
1455
1456     JP10    JP11        JP10    JP11
1457                         -----   -----
1458       0       0        |  0  | |  0  |       
1459     -----   -----      |     | |     |
1460    |  0  | |  0  |     |  0  | |  0  |
1461    |     | |     |      -----   -----
1462    |  0  | |  0  |        0       0 
1463     -----   -----
1464     Coaxial Cable       Twisted Pair Cable 
1465       (Default)
1466
1467
1468Setting the Timeout Parameters
1469------------------------------
1470
1471The jumpers labeled EXT1 and EXT2 are used to determine the timeout 
1472parameters. These two jumpers are normally left open.
1473
1474
1475
1476*****************************************************************************
1477
1478** CNet Technology Inc. **
1479160 Series (16-bit cards)
1480-------------------------
1481  - from Juergen Seifert <seifert@htwm.de>
1482
1483CNET TECHNOLOGY INC. (CNet) ARCNET 160A SERIES
1484==============================================
1485
1486This description has been written by Juergen Seifert <seifert@htwm.de>
1487using information from the following Original CNet Manual 
1488
1489              "ARCNET
1490            USER'S MANUAL 
1491                for
1492               CN160A
1493               CN160AB
1494               CN160TP
1495             P/N:12-01-0006
1496             Revision 3.00"
1497
1498ARCNET is a registered trademark of the Datapoint Corporation
1499
1500P/N 160A   ARCNET 16 bit XT/AT Star
1501P/N 160AB  ARCNET 16 bit XT/AT Bus
1502P/N 160TP  ARCNET 16 bit XT/AT Twisted Pair
1503
1504   ___________________________________________________________________
1505  <                             _________________________          ___|
1506  >               |oo| JP2     |                         |    LED |___|
1507  <               |oo| JP1     |        9026             |    LED |___|
1508  >                            |_________________________|         ___|
1509  <                                                             N |   | ID7
1510  >                                                      1      o |   | ID6
1511  <                                    1 2 3 4 5 6 7 8 9 0      d | S | ID5
1512  >         _______________           _____________________     e | W | ID4
1513  <        |     PROM      |         |         SW1         |    A | 2 | ID3
1514  >        >    SOCKET     |         |_____________________|    d |   | ID2
1515  <        |_______________|          | IO-Base   | MEM   |     d |   | ID1
1516  >                                                             r |___| ID0
1517  <                                                               ____|
1518  >                                                              |    |
1519  <                                                              | J1 |
1520  >                                                              |    |
1521  <                                                              |____|
1522  >                            1 1 1 1                                |
1523  <  3 4 5 6 7      JP     8 9 0 1 2 3                                |
1524  > |o|o|o|o|o|           |o|o|o|o|o|o|                               |
1525  < |o|o|o|o|o| __        |o|o|o|o|o|o|                    ___________|
1526  >            |  |                                       |
1527  <____________|  |_______________________________________|
1528
1529Legend:
1530
15319026            ARCNET Probe
1532SW1 1-6:    Base I/O Address Select
1533    7-10:   Base Memory Address Select
1534SW2 1-8:    Node ID Select (ID0-ID7)
1535JP1/JP2     ET1, ET2 Timeout Parameters
1536JP3-JP13    Interrupt Select
1537J1      BNC RG62/U Connector        (CN160A/AB only)
1538J1      Two 6-position Telephone Jack   (CN160TP only)
1539LED
1540
1541Setting one of the switches to Off means "1", On means "0".
1542
1543
1544Setting the Node ID
1545-------------------
1546
1547The eight switches in SW2 are used to set the node ID. Each node attached
1548to the network must have an unique node ID which must be different from 0.
1549Switch 1 (ID0) serves as the least significant bit (LSB).
1550
1551The node ID is the sum of the values of all switches set to "1"  
1552These values are:
1553
1554   Switch | Label | Value
1555   -------|-------|-------
1556     1    | ID0   |   1
1557     2    | ID1   |   2
1558     3    | ID2   |   4
1559     4    | ID3   |   8
1560     5    | ID4   |  16
1561     6    | ID5   |  32
1562     7    | ID6   |  64
1563     8    | ID7   | 128
1564
1565Some Examples:
1566
1567    Switch         | Hex     | Decimal 
1568   8 7 6 5 4 3 2 1 | Node ID | Node ID
1569   ----------------|---------|---------
1570   0 0 0 0 0 0 0 0 |    not allowed
1571   0 0 0 0 0 0 0 1 |    1    |    1 
1572   0 0 0 0 0 0 1 0 |    2    |    2
1573   0 0 0 0 0 0 1 1 |    3    |    3
1574       . . .       |         |
1575   0 1 0 1 0 1 0 1 |   55    |   85
1576       . . .       |         |
1577   1 0 1 0 1 0 1 0 |   AA    |  170
1578       . . .       |         |  
1579   1 1 1 1 1 1 0 1 |   FD    |  253
1580   1 1 1 1 1 1 1 0 |   FE    |  254
1581   1 1 1 1 1 1 1 1 |   FF    |  255
1582
1583
1584Setting the I/O Base Address
1585----------------------------
1586
1587The first six switches in switch block SW1 are used to select the I/O Base
1588address using the following table:
1589
1590             Switch        | Hex I/O
1591    1   2   3   4   5   6  | Address
1592   ------------------------|--------
1593   OFF ON  ON  OFF OFF ON  |  260
1594   OFF ON  OFF ON  ON  OFF |  290
1595   OFF ON  OFF OFF OFF ON  |  2E0  (Manufacturer's default)
1596   OFF ON  OFF OFF OFF OFF |  2F0
1597   OFF OFF ON  ON  ON  ON  |  300
1598   OFF OFF ON  OFF ON  OFF |  350
1599   OFF OFF OFF ON  ON  ON  |  380
1600   OFF OFF OFF OFF OFF ON  |  3E0
1601
1602Note: Other IO-Base addresses seem to be selectable, but only the above
1603      combinations are documented.
1604
1605
1606Setting the Base Memory (RAM) buffer Address
1607--------------------------------------------
1608
1609The switches 7-10 of switch block SW1 are used to select the Memory
1610Base address of the RAM (2K) and the PROM.
1611
1612   Switch          | Hex RAM | Hex ROM
1613    7   8   9  10  | Address | Address
1614   ----------------|---------|-----------
1615   OFF OFF ON  ON  |  C0000  |  C8000
1616   OFF OFF ON  OFF |  D0000  |  D8000 (Default)
1617   OFF OFF OFF ON  |  E0000  |  E8000
1618
1619Note: Other MEM-Base addresses seem to be selectable, but only the above
1620      combinations are documented.
1621
1622
1623Setting the Interrupt Line
1624--------------------------
1625
1626To select a hardware interrupt level install one (only one!) of the jumpers
1627JP3 through JP13 using the following table:
1628
1629   Jumper | IRQ     
1630   -------|-----------------
1631     3    |  14
1632     4    |  15
1633     5    |  12
1634     6    |  11
1635     7    |  10
1636     8    |   3
1637     9    |   4
1638    10    |   5
1639    11    |   6
1640    12    |   7
1641    13    |   2 (=9) Default!
1642
1643Note:  - Do not use JP11=IRQ6, it may conflict with your Floppy Disk
1644         Controller
1645       - Use JP3=IRQ14 only, if you don't have an IDE-, MFM-, or RLL-
1646         Hard Disk, it may conflict with their controllers
1647
1648
1649Setting the Timeout Parameters
1650------------------------------
1651
1652The jumpers labeled JP1 and JP2 are used to determine the timeout
1653parameters. These two jumpers are normally left open.
1654
1655
1656*****************************************************************************
1657
1658** Lantech **
16598-bit card, unknown model
1660-------------------------
1661  - from Vlad Lungu <vlungu@ugal.ro> - his e-mail address seemed broken at
1662    the time I tried to reach him.  Sorry Vlad, if you didn't get my reply.
1663
1664   ________________________________________________________________
1665   |   1         8                                                 |
1666   |   ___________                                               __|
1667   |   |   SW1    |                                         LED |__|
1668   |   |__________|                                                |
1669   |                                                            ___|
1670   |                _____________________                       |S | 8
1671   |                |                   |                       |W |
1672   |                |                   |                       |2 |
1673   |                |                   |                       |__| 1
1674   |                |      UM9065L      |     |o|  JP4         ____|____
1675   |                |                   |     |o|              |  CN    |
1676   |                |                   |                      |________|
1677   |                |                   |                          |
1678   |                |___________________|                          |
1679   |                                                               |
1680   |                                                               |
1681   |      _____________                                            |
1682   |      |            |                                           |
1683   |      |    PROM    |        |ooooo|  JP6                       |
1684   |      |____________|        |ooooo|                            |
1685   |_____________                                             _   _|
1686                |____________________________________________| |__|
1687
1688
1689UM9065L : ARCnet Controller
1690
1691SW 1    : Shared Memory Address and I/O Base
1692
1693        ON=0
1694
1695        12345|Memory Address
1696        -----|--------------
1697        00001|  D4000
1698        00010|  CC000
1699        00110|  D0000
1700        01110|  D1000
1701        01101|  D9000
1702        10010|  CC800
1703        10011|  DC800
1704        11110|  D1800
1705
1706It seems that the bits are considered in reverse order.  Also, you must
1707observe that some of those addresses are unusual and I didn't probe them; I
1708used a memory dump in DOS to identify them.  For the 00000 configuration and
1709some others that I didn't write here the card seems to conflict with the
1710video card (an S3 GENDAC). I leave the full decoding of those addresses to
1711you.
1712
1713        678| I/O Address
1714        ---|------------
1715        000|    260
1716        001|    failed probe
1717        010|    2E0
1718        011|    380
1719        100|    290
1720        101|    350
1721        110|    failed probe
1722        111|    3E0
1723
1724SW 2  : Node ID (binary coded)
1725
1726JP 4  : Boot PROM enable   CLOSE - enabled
1727                           OPEN  - disabled
1728
1729JP 6  : IRQ set (ONLY ONE jumper on 1-5 for IRQ 2-6)
1730
1731
1732*****************************************************************************
1733
1734** Acer **
17358-bit card, Model 5210-003
1736--------------------------
1737  - from Vojtech Pavlik <vojtech@suse.cz> using portions of the existing
1738    arcnet-hardware file.
1739
1740This is a 90C26 based card.  Its configuration seems similar to the SMC
1741PC100, but has some additional jumpers I don't know the meaning of.
1742
1743               __
1744              |  |
1745   ___________|__|_________________________
1746  |         |      |                       |
1747  |         | BNC  |                       |
1748  |         |______|                    ___|
1749  |  _____________________             |___  
1750  | |                     |                |
1751  | | Hybrid IC           |                |
1752  | |                     |       o|o J1   |
1753  | |_____________________|       8|8      |
1754  |                               8|8 J5   |
1755  |                               o|o      |
1756  |                               8|8      |
1757  |__                             8|8      |
1758 (|__| LED                        o|o      |
1759  |                               8|8      |
1760  |                               8|8 J15  |
1761  |                                        |
1762  |                    _____               |
1763  |                   |     |   _____      |
1764  |                   |     |  |     |  ___|
1765  |                   |     |  |     | |    
1766  |  _____            | ROM |  | UFS | |    
1767  | |     |           |     |  |     | |   
1768  | |     |     ___   |     |  |     | |   
1769  | |     |    |   |  |__.__|  |__.__| |   
1770  | | NCR |    |XTL|   _____    _____  |   
1771  | |     |    |___|  |     |  |     | |   
1772  | |90C26|           |     |  |     | |   
1773  | |     |           | RAM |  | UFS | |   
1774  | |     | J17 o|o   |     |  |     | |   
1775  | |     | J16 o|o   |     |  |     | |   
1776  | |__.__|           |__.__|  |__.__| |   
1777  |  ___                               |   
1778  | |   |8                             |   
1779  | |SW2|                              |   
1780  | |   |                              |   
1781  | |___|1                             |   
1782  |  ___                               |   
1783  | |   |10           J18 o|o          |   
1784  | |   |                 o|o          |   
1785  | |SW1|                 o|o          |   
1786  | |   |             J21 o|o          |   
1787  | |___|1                             |   
1788  |                                    |   
1789  |____________________________________|   
1790
1791
1792Legend:
1793
179490C26       ARCNET Chip
1795XTL         20 MHz Crystal
1796SW1 1-6     Base I/O Address Select
1797    7-10    Memory Address Select
1798SW2 1-8     Node ID Select (ID0-ID7)
1799J1-J5       IRQ Select
1800J6-J21      Unknown (Probably extra timeouts & ROM enable ...)
1801LED1        Activity LED 
1802BNC         Coax connector (STAR ARCnet)
1803RAM         2k of SRAM
1804ROM         Boot ROM socket
1805UFS         Unidentified Flying Sockets
1806
1807
1808Setting the Node ID
1809-------------------
1810
1811The eight switches in SW2 are used to set the node ID. Each node attached
1812to the network must have an unique node ID which must not be 0.
1813Switch 1 (ID0) serves as the least significant bit (LSB).
1814
1815Setting one of the switches to OFF means "1", ON means "0".
1816
1817The node ID is the sum of the values of all switches set to "1"
1818These values are:
1819
1820   Switch | Value
1821   -------|-------
1822     1    |   1
1823     2    |   2
1824     3    |   4
1825     4    |   8
1826     5    |  16
1827     6    |  32
1828     7    |  64
1829     8    | 128
1830
1831Don't set this to 0 or 255; these values are reserved.
1832
1833
1834Setting the I/O Base Address
1835----------------------------
1836
1837The switches 1 to 6 of switch block SW1 are used to select one
1838of 32 possible I/O Base addresses using the following tables
1839   
1840          | Hex
1841   Switch | Value
1842   -------|-------
1843     1    | 200  
1844     2    | 100  
1845     3    |  80  
1846     4    |  40  
1847     5    |  20  
1848     6    |  10 
1849
1850The I/O address is sum of all switches set to "1". Remember that
1851the I/O address space bellow 0x200 is RESERVED for mainboard, so
1852switch 1 should be ALWAYS SET TO OFF. 
1853
1854
1855Setting the Base Memory (RAM) buffer Address
1856--------------------------------------------
1857
1858The memory buffer (RAM) requires 2K. The base of this buffer can be
1859located in any of sixteen positions. However, the addresses below
1860A0000 are likely to cause system hang because there's main RAM.
1861
1862Jumpers 7-10 of switch block SW1 select the Memory Base address.
1863
1864   Switch          | Hex RAM
1865    7   8   9  10  | Address
1866   ----------------|---------
1867   OFF OFF OFF OFF |  F0000 (conflicts with main BIOS)
1868   OFF OFF OFF ON  |  E0000 
1869   OFF OFF ON  OFF |  D0000
1870   OFF OFF ON  ON  |  C0000 (conflicts with video BIOS)
1871   OFF ON  OFF OFF |  B0000 (conflicts with mono video)
1872   OFF ON  OFF ON  |  A0000 (conflicts with graphics)
1873
1874
1875Setting the Interrupt Line
1876--------------------------
1877
1878Jumpers 1-5 of the jumper block J1 control the IRQ level. ON means 
1879shorted, OFF means open.
1880
1881    Jumper              |  IRQ
1882    1   2   3   4   5   |
1883   ----------------------------
1884    ON  OFF OFF OFF OFF |  7
1885    OFF ON  OFF OFF OFF |  5
1886    OFF OFF ON  OFF OFF |  4
1887    OFF OFF OFF ON  OFF |  3
1888    OFF OFF OFF OFF ON  |  2
1889
1890
1891Unknown jumpers & sockets
1892-------------------------
1893
1894I know nothing about these. I just guess that J16&J17 are timeout
1895jumpers and maybe one of J18-J21 selects ROM. Also J6-J10 and
1896J11-J15 are connecting IRQ2-7 to some pins on the UFSs. I can't
1897guess the purpose.
1898
1899
1900*****************************************************************************
1901
1902** Datapoint? **
1903LAN-ARC-8, an 8-bit card
1904------------------------
1905  - from Vojtech Pavlik <vojtech@suse.cz>
1906
1907This is another SMC 90C65-based ARCnet card. I couldn't identify the
1908manufacturer, but it might be DataPoint, because the card has the
1909original arcNet logo in its upper right corner.
1910
1911          _______________________________________________________
1912         |                         _________                     |
1913         |                        |   SW2   | ON      arcNet     |
1914         |                        |_________| OFF             ___|
1915         |  _____________         1 ______  8                |   | 8  
1916         | |             | SW1     | XTAL | ____________     | S |    
1917         | > RAM (2k)    |         |______||            |    | W |    
1918         | |_____________|                 |      H     |    | 3 |    
1919         |                        _________|_____ y     |    |___| 1  
1920         |  _________            |         |     |b     |        |    
1921         | |_________|           |         |     |r     |        |    
1922         |                       |     SMC |     |i     |        |    
1923         |                       |    90C65|     |d     |        |      
1924         |  _________            |         |     |      |        |
1925         | |   SW1   | ON        |         |     |I     |        |
1926         | |_________| OFF       |_________|_____/C     |   _____|
1927         |  1       8                      |            |  |     |___
1928         |  ______________                 |            |  | BNC |___|
1929         | |              |                |____________|  |_____|
1930         | > EPROM SOCKET |              _____________           |
1931         | |______________|             |_____________|          |
1932         |                                         ______________|
1933         |                                        | 
1934         |________________________________________|
1935
1936Legend:
1937
193890C65       ARCNET Chip 
1939SW1 1-5:    Base Memory Address Select
1940    6-8:    Base I/O Address Select
1941SW2 1-8:    Node ID Select
1942SW3 1-5:    IRQ Select   
1943    6-7:    Extra Timeout
1944    8  :    ROM Enable   
1945BNC         Coax connector
1946XTAL        20 MHz Crystal
1947
1948
1949Setting the Node ID
1950-------------------
1951
1952The eight switches in SW3 are used to set the node ID. Each node attached
1953to the network must have an unique node ID which must not be 0.
1954Switch 1 serves as the least significant bit (LSB).
1955
1956Setting one of the switches to Off means "1", On means "0".
1957
1958The node ID is the sum of the values of all switches set to "1"  
1959These values are:
1960
1961   Switch | Value
1962   -------|-------
1963     1    |   1
1964     2    |   2
1965     3    |   4
1966     4    |   8
1967     5    |  16
1968     6    |  32
1969     7    |  64
1970     8    | 128
1971
1972
1973Setting the I/O Base Address
1974----------------------------
1975
1976The last three switches in switch block SW1 are used to select one
1977of eight possible I/O Base addresses using the following table
1978
1979
1980   Switch      | Hex I/O
1981    6   7   8  | Address
1982   ------------|--------
1983   ON  ON  ON  |  260
1984   OFF ON  ON  |  290
1985   ON  OFF ON  |  2E0  (Manufacturer's default)
1986   OFF OFF ON  |  2F0
1987   ON  ON  OFF |  300
1988   OFF ON  OFF |  350
1989   ON  OFF OFF |  380
1990   OFF OFF OFF |  3E0
1991
1992
1993Setting the Base Memory (RAM) buffer Address
1994--------------------------------------------
1995
1996The memory buffer (RAM) requires 2K. The base of this buffer can be 
1997located in any of eight positions. The address of the Boot Prom is
1998memory base + 0x2000.
1999Jumpers 3-5 of switch block SW1 select the Memory Base address.
2000
2001   Switch              | Hex RAM | Hex ROM
2002    1   2   3   4   5  | Address | Address *)
2003   --------------------|---------|-----------
2004   ON  ON  ON  ON  ON  |  C0000  |  C2000
2005   ON  ON  OFF ON  ON  |  C4000  |  C6000
2006   ON  ON  ON  OFF ON  |  CC000  |  CE000
2007   ON  ON  OFF OFF ON  |  D0000  |  D2000  (Manufacturer's default)
2008   ON  ON  ON  ON  OFF |  D4000  |  D6000
2009   ON  ON  OFF ON  OFF |  D8000  |  DA000
2010   ON  ON  ON  OFF OFF |  DC000  |  DE000
2011   ON  ON  OFF OFF OFF |  E0000  |  E2000
2012  
2013*) To enable the Boot ROM set the switch 8 of switch block SW3 to position ON.
2014
2015The switches 1 and 2 probably add 0x0800 and 0x1000 to RAM base address.
2016
2017
2018Setting the Interrupt Line
2019--------------------------
2020
2021Switches 1-5 of the switch block SW3 control the IRQ level.
2022
2023    Jumper              |  IRQ
2024    1   2   3   4   5   |
2025   ----------------------------
2026    ON  OFF OFF OFF OFF |  3
2027    OFF ON  OFF OFF OFF |  4
2028    OFF OFF ON  OFF OFF |  5
2029    OFF OFF OFF ON  OFF |  7
2030    OFF OFF OFF OFF ON  |  2
2031
2032
2033Setting the Timeout Parameters
2034------------------------------
2035
2036The switches 6-7 of the switch block SW3 are used to determine the timeout
2037parameters.  These two switches are normally left in the OFF position.
2038
2039
2040*****************************************************************************
2041
2042** Topware **
20438-bit card, TA-ARC/10
2044-------------------------
2045  - from Vojtech Pavlik <vojtech@suse.cz>
2046
2047This is another very similar 90C65 card. Most of the switches and jumpers
2048are the same as on other clones.
2049
2050 _____________________________________________________________________
2051|  ___________   |                         |            ______        |
2052| |SW2 NODE ID|  |                         |           | XTAL |       |
2053| |___________|  |  Hybrid IC              |           |______|       |
2054|  ___________   |                         |                        __|    
2055| |SW1 MEM+I/O|  |_________________________|                   LED1|__|)   
2056| |___________|           1 2                                         |     
2057|                     J3 |o|o| TIMEOUT                          ______|    
2058|     ______________     |o|o|                                 |      |    
2059|    |              |  ___________________                     | RJ   |    
2060|    > EPROM SOCKET | |                   \                    |------|     
2061|J2  |______________| |                    |                   |      |    
2062||o|                  |                    |                   |______|
2063||o| ROM ENABLE       |        SMC         |    _________             |
2064|     _____________   |       90C65        |   |_________|       _____|    
2065|    |             |  |                    |                    |     |___ 
2066|    > RAM (2k)    |  |                    |                    | BNC |___|
2067|    |_____________|  |                    |                    |_____|    
2068|                     |____________________|                          |    
2069| ________ IRQ 2 3 4 5 7                  ___________                 |
2070||________|   |o|o|o|o|o|                |___________|                |
2071|________   J1|o|o|o|o|o|                               ______________|
2072         |                                             |
2073         |_____________________________________________|
2074
2075Legend:
2076
207790C65       ARCNET Chip
2078XTAL        20 MHz Crystal
2079SW1 1-5     Base Memory Address Select
2080    6-8     Base I/O Address Select
2081SW2 1-8     Node ID Select (ID0-ID7)
2082J1          IRQ Select
2083J2          ROM Enable
2084J3          Extra Timeout
2085LED1        Activity LED 
2086BNC         Coax connector (BUS ARCnet)
2087RJ          Twisted Pair Connector (daisy chain)
2088
2089
2090Setting the Node ID
2091-------------------
2092
2093The eight switches in SW2 are used to set the node ID. Each node attached to
2094the network must have an unique node ID which must not be 0.  Switch 1 (ID0)
2095serves as the least significant bit (LSB).
2096
2097Setting one of the switches to Off means "1", On means "0".
2098
2099The node ID is the sum of the values of all switches set to "1"
2100These values are:
2101
2102   Switch | Label | Value
2103   -------|-------|-------
2104     1    | ID0   |   1
2105     2    | ID1   |   2
2106     3    | ID2   |   4
2107     4    | ID3   |   8
2108     5    | ID4   |  16
2109     6    | ID5   |  32
2110     7    | ID6   |  64
2111     8    | ID7   | 128
2112
2113Setting the I/O Base Address
2114----------------------------
2115
2116The last three switches in switch block SW1 are used to select one
2117of eight possible I/O Base addresses using the following table:
2118
2119
2120   Switch      | Hex I/O
2121    6   7   8  | Address
2122   ------------|--------
2123   ON  ON  ON  |  260  (Manufacturer's default)
2124   OFF ON  ON  |  290
2125   ON  OFF ON  |  2E0                         
2126   OFF OFF ON  |  2F0
2127   ON  ON  OFF |  300
2128   OFF ON  OFF |  350
2129   ON  OFF OFF |  380
2130   OFF OFF OFF |  3E0
2131
2132
2133Setting the Base Memory (RAM) buffer Address
2134--------------------------------------------
2135
2136The memory buffer (RAM) requires 2K. The base of this buffer can be
2137located in any of eight positions. The address of the Boot Prom is
2138memory base + 0x2000.
2139Jumpers 3-5 of switch block SW1 select the Memory Base address.
2140
2141   Switch              | Hex RAM | Hex ROM
2142    1   2   3   4   5  | Address | Address *)
2143   --------------------|---------|-----------
2144   ON  ON  ON  ON  ON  |  C0000  |  C2000
2145   ON  ON  OFF ON  ON  |  C4000  |  C6000  (Manufacturer's default) 
2146   ON  ON  ON  OFF ON  |  CC000  |  CE000
2147   ON  ON  OFF OFF ON  |  D0000  |  D2000  
2148   ON  ON  ON  ON  OFF |  D4000  |  D6000
2149   ON  ON  OFF ON  OFF |  D8000  |  DA000
2150   ON  ON  ON  OFF OFF |  DC000  |  DE000
2151   ON  ON  OFF OFF OFF |  E0000  |  E2000
2152
2153*) To enable the Boot ROM short the jumper J2.
2154
2155The jumpers 1 and 2 probably add 0x0800 and 0x1000 to RAM address.
2156
2157
2158Setting the Interrupt Line
2159--------------------------
2160
2161Jumpers 1-5 of the jumper block J1 control the IRQ level.  ON means
2162shorted, OFF means open.
2163
2164    Jumper              |  IRQ
2165    1   2   3   4   5   |
2166   ----------------------------
2167    ON  OFF OFF OFF OFF |  2
2168    OFF ON  OFF OFF OFF |  3
2169    OFF OFF ON  OFF OFF |  4
2170    OFF OFF OFF ON  OFF |  5
2171    OFF OFF OFF OFF ON  |  7
2172
2173
2174Setting the Timeout Parameters
2175------------------------------
2176
2177The jumpers J3 are used to set the timeout parameters. These two 
2178jumpers are normally left open.
2179
2180  
2181*****************************************************************************
2182
2183** Thomas-Conrad **
2184Model #500-6242-0097 REV A (8-bit card)
2185---------------------------------------
2186  - from Lars Karlsson <100617.3473@compuserve.com>
2187
2188     ________________________________________________________
2189   |          ________   ________                           |_____
2190   |         |........| |........|                            |
2191   |         |________| |________|                         ___|
2192   |            SW 3       SW 1                           |   |
2193   |         Base I/O   Base Addr.                Station |   |
2194   |                                              address |   |
2195   |    ______                                    switch  |   |
2196   |   |      |                                           |   |
2197   |   |      |                                           |___|    
2198   |   |      |                                 ______        |___._
2199   |   |______|                                |______|         ____| BNC
2200   |                                            Jumper-        _____| Connector
2201   |   Main chip                                block  _    __|   '  
2202   |                                                  | |  |    RJ Connector
2203   |                                                  |_|  |    with 110 Ohm
2204   |                                                       |__  Terminator
2205   |    ___________                                         __|
2206   |   |...........|                                       |    RJ-jack
2207   |   |...........|    _____                              |    (unused)
2208   |   |___________|   |_____|                             |__
2209   |  Boot PROM socket IRQ-jumpers                            |_  Diagnostic
2210   |________                                       __          _| LED (red)
2211            | | | | | | | | | | | | | | | | | | | |  |        |
2212            | | | | | | | | | | | | | | | | | | | |  |________|
2213                                                              |
2214                                                              |
2215
2216And here are the settings for some of the switches and jumpers on the cards.
2217
2218
2219          I/O
2220
2221         1 2 3 4 5 6 7 8
2222
22232E0----- 0 0 0 1 0 0 0 1
22242F0----- 0 0 0 1 0 0 0 0
2225300----- 0 0 0 0 1 1 1 1
2226350----- 0 0 0 0 1 1 1 0
2227
2228"0" in the above example means switch is off "1" means that it is on.
2229
2230
2231    ShMem address.
2232
2233      1 2 3 4 5 6 7 8
2234
2235CX00--0 0 1 1 | |   |
2236DX00--0 0 1 0       |
2237X000--------- 1 1   |
2238X400--------- 1 0   |
2239X800--------- 0 1   |
2240XC00--------- 0 0   
2241ENHANCED----------- 1
2242COMPATIBLE--------- 0
2243
2244
2245       IRQ
2246
2247
2248   3 4 5 7 2
2249   . . . . .
2250   . . . . .
2251
2252
2253There is a DIP-switch with 8 switches, used to set the shared memory address
2254to be used. The first 6 switches set the address, the 7th doesn't have any
2255function, and the 8th switch is used to select "compatible" or "enhanced".
2256When I got my two cards, one of them had this switch set to "enhanced". That
2257card didn't work at all, it wasn't even recognized by the driver. The other
2258card had this switch set to "compatible" and it behaved absolutely normally. I
2259guess that the switch on one of the cards, must have been changed accidentally
2260when the card was taken out of its former host. The question remains
2261unanswered, what is the purpose of the "enhanced" position?
2262
2263[Avery's note: "enhanced" probably either disables shared memory (use IO
2264ports instead) or disables IO ports (use memory addresses instead).  This
2265varies by the type of card involved.  I fail to see how either of these
2266enhance anything.  Send me more detailed information about this mode, or
2267just use "compatible" mode instead.]
2268
2269
2270*****************************************************************************
2271
2272** Waterloo Microsystems Inc. ?? **
22738-bit card (C) 1985
2274-------------------
2275  - from Robert Michael Best <rmb117@cs.usask.ca>
2276
2277[Avery's note: these don't work with my driver for some reason.  These cards
2278SEEM to have settings similar to the PDI508Plus, which is
2279software-configured and doesn't work with my driver either.  The "Waterloo
2280chip" is a boot PROM, probably designed specifically for the University of
2281Waterloo.  If you have any further information about this card, please
2282e-mail me.]
2283
2284The probe has not been able to detect the card on any of the J2 settings,
2285and I tried them again with the "Waterloo" chip removed.
2286 
2287 _____________________________________________________________________
2288| \/  \/              ___  __ __                                      |
2289| C4  C4     |^|     | M ||  ^  ||^|                                  |
2290| --  --     |_|     | 5 ||     || | C3                               |
2291| \/  \/      C10    |___||     ||_|                                  | 
2292| C4  C4             _  _ |     |                 ??                  | 
2293| --  --            | \/ ||     |                                     | 
2294|                   |    ||     |                                     | 
2295|                   |    ||  C1 |                                     | 
2296|                   |    ||     |  \/                            _____|    
2297|                   | C6 ||     |  C9                           |     |___ 
2298|                   |    ||     |  --                           | BNC |___| 
2299|                   |    ||     |          >C7|                 |_____|
2300|                   |    ||     |                                     |
2301| __ __             |____||_____|       1 2 3     6                   |
2302||  ^  |     >C4|                      |o|o|o|o|o|o| J2    >C4|       |
2303||     |                               |o|o|o|o|o|o|                  |
2304|| C2  |     >C4|                                          >C4|       |
2305||     |                                   >C8|                       |
2306||     |       2 3 4 5 6 7  IRQ                            >C4|       |
2307||_____|      |o|o|o|o|o|o| J3                                        |
2308|_______      |o|o|o|o|o|o|                            _______________|
2309        |                                             |
2310        |_____________________________________________|
2311
2312C1 -- "COM9026
2313       SMC 8638"
2314      In a chip socket.
2315
2316C2 -- "@Copyright
2317       Waterloo Microsystems Inc.
2318       1985"
2319      In a chip Socket with info printed on a label covering a round window
2320      showing the circuit inside. (The window indicates it is an EPROM chip.)
2321
2322C3 -- "COM9032
2323       SMC 8643"
2324      In a chip socket.
2325
2326C4 -- "74LS"
2327      9 total no sockets.
2328
2329M5 -- "50006-136
2330       20.000000 MHZ
2331       MTQ-T1-S3
2332       0 M-TRON 86-40"
2333      Metallic case with 4 pins, no socket.
2334
2335C6 -- "MOSTEK@TC8643
2336       MK6116N-20
2337       MALAYSIA"
2338      No socket.
2339
2340C7 -- No stamp or label but in a 20 pin chip socket.
2341
2342C8 -- "PAL10L8CN
2343       8623"
2344      In a 20 pin socket.
2345
2346C9 -- "PAl16R4A-2CN
2347       8641"
2348      In a 20 pin socket.
2349
2350C10 -- "M8640
2351          NMC
2352        9306N"
2353       In an 8 pin socket.
2354
2355?? -- Some components on a smaller board and attached with 20 pins all 
2356      along the side closest to the BNC connector.  The are coated in a dark 
2357      resin.
2358
2359On the board there are two jumper banks labeled J2 and J3. The 
2360manufacturer didn't put a J1 on the board. The two boards I have both 
2361came with a jumper box for each bank.
2362
2363J2 -- Numbered 1 2 3 4 5 6. 
2364      4 and 5 are not stamped due to solder points.
2365       
2366J3 -- IRQ 2 3 4 5 6 7
2367
2368The board itself has a maple leaf stamped just above the irq jumpers 
2369and "-2 46-86" beside C2. Between C1 and C6 "ASS 'Y 300163" and "@1986 
2370CORMAN CUSTOM ELECTRONICS CORP." stamped just below the BNC connector.
2371Below that "MADE IN CANADA"
2372
2373  
2374*****************************************************************************
2375
2376** No Name **
23778-bit cards, 16-bit cards
2378-------------------------
2379  - from Juergen Seifert <seifert@htwm.de>
2380  
2381NONAME 8-BIT ARCNET
2382===================
2383
2384I have named this ARCnet card "NONAME", since there is no name of any
2385manufacturer on the Installation manual nor on the shipping box. The only
2386hint to the existence of a manufacturer at all is written in copper,
2387it is "Made in Taiwan"
2388
2389This description has been written by Juergen Seifert <seifert@htwm.de>
2390using information from the Original
2391                    "ARCnet Installation Manual"
2392
2393
2394    ________________________________________________________________
2395   | |STAR| BUS| T/P|                                               |
2396   | |____|____|____|                                               |
2397   |                            _____________________               |
2398   |                           |                     |              |
2399   |                           |                     |              |
2400   |                           |                     |              |
2401   |                           |        SMC          |              |
2402   |                           |                     |              |
2403   |                           |       COM90C65      |              |
2404   |                           |                     |              |
2405   |                           |                     |              |
2406   |                           |__________-__________|              |
2407   |                                                           _____|
2408   |      _______________                                     |  CN |
2409   |     | PROM          |                                    |_____|
2410   |     > SOCKET        |                                          |
2411   |     |_______________|         1 2 3 4 5 6 7 8  1 2 3 4 5 6 7 8 |
2412   |                               _______________  _______________ |
2413   |           |o|o|o|o|o|o|o|o|  |      SW1      ||      SW2      ||
2414   |           |o|o|o|o|o|o|o|o|  |_______________||_______________||
2415   |___         2 3 4 5 7 E E R        Node ID       IOB__|__MEM____|
2416       |        \ IRQ   / T T O                      |
2417       |__________________1_2_M______________________|
2418
2419Legend:
2420
2421COM90C65:       ARCnet Probe
2422S1  1-8:    Node ID Select
2423S2  1-3:    I/O Base Address Select
2424    4-6:    Memory Base Address Select
2425    7-8:    RAM Offset Select
2426ET1, ET2    Extended Timeout Select
2427ROM     ROM Enable Select
2428CN              RG62 Coax Connector
2429STAR| BUS | T/P Three fields for placing a sign (colored circle)
2430                indicating the topology of the card
2431
2432Setting one of the switches to Off means "1", On means "0".
2433
2434
2435Setting the Node ID
2436-------------------
2437
2438The eight switches in group SW1 are used to set the node ID.
2439Each node attached to the network must have an unique node ID which
2440must be different from 0.
2441Switch 8 serves as the least significant bit (LSB).
2442
2443The node ID is the sum of the values of all switches set to "1"  
2444These values are:
2445
2446    Switch | Value
2447    -------|-------
2448      8    |   1
2449      7    |   2
2450      6    |   4
2451      5    |   8
2452      4    |  16
2453      3    |  32
2454      2    |  64
2455      1    | 128
2456
2457Some Examples:
2458
2459    Switch         | Hex     | Decimal 
2460   1 2 3 4 5 6 7 8 | Node ID | Node ID
2461   ----------------|---------|---------
2462   0 0 0 0 0 0 0 0 |    not allowed
2463   0 0 0 0 0 0 0 1 |    1    |    1 
2464   0 0 0 0 0 0 1 0 |    2    |    2
2465   0 0 0 0 0 0 1 1 |    3    |    3
2466       . . .       |         |
2467   0 1 0 1 0 1 0 1 |   55    |   85
2468       . . .       |         |
2469   1 0 1 0 1 0 1 0 |   AA    |  170
2470       . . .       |         |  
2471   1 1 1 1 1 1 0 1 |   FD    |  253
2472   1 1 1 1 1 1 1 0 |   FE    |  254
2473   1 1 1 1 1 1 1 1 |   FF    |  255
2474
2475
2476Setting the I/O Base Address
2477----------------------------
2478
2479The first three switches in switch group SW2 are used to select one
2480of eight possible I/O Base addresses using the following table
2481
2482   Switch      | Hex I/O
2483    1   2   3  | Address
2484   ------------|--------
2485   ON  ON  ON  |  260
2486   ON  ON  OFF |  290
2487   ON  OFF ON  |  2E0  (Manufacturer's default)
2488   ON  OFF OFF |  2F0
2489   OFF ON  ON  |  300
2490   OFF ON  OFF |  350
2491   OFF OFF ON  |  380
2492   OFF OFF OFF |  3E0
2493
2494
2495Setting the Base Memory (RAM) buffer Address
2496--------------------------------------------
2497
2498The memory buffer requires 2K of a 16K block of RAM. The base of this
249916K block can be located in any of eight positions.
2500Switches 4-6 of switch group SW2 select the Base of the 16K block.
2501Within that 16K address space, the buffer may be assigned any one of four
2502positions, determined by the offset, switches 7 and 8 of group SW2.
2503
2504   Switch     | Hex RAM | Hex ROM
2505   4 5 6  7 8 | Address | Address *)
2506   -----------|---------|-----------
2507   0 0 0  0 0 |  C0000  |  C2000
2508   0 0 0  0 1 |  C0800  |  C2000
2509   0 0 0  1 0 |  C1000  |  C2000
2510   0 0 0  1 1 |  C1800  |  C2000
2511              |         |
2512   0 0 1  0 0 |  C4000  |  C6000
2513   0 0 1  0 1 |  C4800  |  C6000
2514   0 0 1  1 0 |  C5000  |  C6000
2515   0 0 1  1 1 |  C5800  |  C6000
2516              |         |
2517   0 1 0  0 0 |  CC000  |  CE000
2518   0 1 0  0 1 |  CC800  |  CE000
2519   0 1 0  1 0 |  CD000  |  CE000
2520   0 1 0  1 1 |  CD800  |  CE000
2521              |         |
2522   0 1 1  0 0 |  D0000  |  D2000  (Manufacturer's default)
2523   0 1 1  0 1 |  D0800  |  D2000
2524   0 1 1  1 0 |  D1000  |  D2000
2525   0 1 1  1 1 |  D1800  |  D2000
2526              |         |
2527   1 0 0  0 0 |  D4000  |  D6000
2528   1 0 0  0 1 |  D4800  |  D6000
2529   1 0 0  1 0 |  D5000  |  D6000
2530   1 0 0  1 1 |  D5800  |  D6000
2531              |         |
2532   1 0 1  0 0 |  D8000  |  DA000
2533   1 0 1  0 1 |  D8800  |  DA000
2534   1 0 1  1 0 |  D9000  |  DA000
2535   1 0 1  1 1 |  D9800  |  DA000
2536              |         |
2537   1 1 0  0 0 |  DC000  |  DE000
2538   1 1 0  0 1 |  DC800  |  DE000
2539   1 1 0  1 0 |  DD000  |  DE000
2540   1 1 0  1 1 |  DD800  |  DE000
2541              |         |
2542   1 1 1  0 0 |  E0000  |  E2000
2543   1 1 1  0 1 |  E0800  |  E2000
2544   1 1 1  1 0 |  E1000  |  E2000
2545   1 1 1  1 1 |  E1800  |  E2000
2546  
2547*) To enable the 8K Boot PROM install the jumper ROM.
2548   The default is jumper ROM not installed.
2549
2550
2551Setting Interrupt Request Lines (IRQ)
2552-------------------------------------
2553
2554To select a hardware interrupt level set one (only one!) of the jumpers
2555IRQ2, IRQ3, IRQ4, IRQ5 or IRQ7. The manufacturer's default is IRQ2.
2556 
2557
2558Setting the Timeouts
2559--------------------
2560
2561The two jumpers labeled ET1 and ET2 are used to determine the timeout
2562parameters (response and reconfiguration time). Every node in a network
2563must be set to the same timeout values.
2564
2565   ET1 ET2 | Response Time (us) | Reconfiguration Time (ms)
2566   --------|--------------------|--------------------------
2567   Off Off |        78          |          840   (Default)
2568   Off On  |       285          |         1680
2569   On  Off |       563          |         1680
2570   On  On  |      1130          |         1680
2571
2572On means jumper installed, Off means jumper not installed
2573
2574
2575NONAME 16-BIT ARCNET
2576====================
2577
2578The manual of my 8-Bit NONAME ARCnet Card contains another description
2579of a 16-Bit Coax / Twisted Pair Card. This description is incomplete,
2580because there are missing two pages in the manual booklet. (The table
2581of contents reports pages ... 2-9, 2-11, 2-12, 3-1, ... but inside
2582the booklet there is a different way of counting ... 2-9, 2-10, A-1,
2583(empty page), 3-1, ..., 3-18, A-1 (again), A-2)
2584Also the picture of the board layout is not as good as the picture of
25858-Bit card, because there isn't any letter like "SW1" written to the
2586picture.
2587Should somebody have such a board, please feel free to complete this
2588description or to send a mail to me!
2589
2590This description has been written by Juergen Seifert <seifert@htwm.de>
2591using information from the Original
2592                    "ARCnet Installation Manual"
2593
2594
2595   ___________________________________________________________________
2596  <                    _________________  _________________           |
2597  >                   |       SW?       ||      SW?        |          |
2598  <                   |_________________||_________________|          |
2599  >                       ____________________                        |
2600  <                      |                    |                       |
2601  >                      |                    |                       |
2602  <                      |                    |                       |
2603  >                      |                    |                       |
2604  <                      |                    |                       |
2605  >                      |                    |                       |
2606  <                      |                    |                       |
2607  >                      |____________________|                       |
2608  <                                                               ____|
2609  >                       ____________________                   |    |
2610  <                      |                    |                  | J1 |
2611  >                      |                    <                  |    |
2612  <                      |____________________|  ? ? ? ? ? ?     |____|
2613  >                                             |o|o|o|o|o|o|         |
2614  <                                             |o|o|o|o|o|o|         |
2615  >                                                                   |
2616  <             __                                         ___________|
2617  >            |  |                                       |
2618  <____________|  |_______________________________________|
2619
2620
2621Setting one of the switches to Off means "1", On means "0".
2622
2623
2624Setting the Node ID
2625-------------------
2626
2627The eight switches in group SW2 are used to set the node ID.
2628Each node attached to the network must have an unique node ID which
2629must be different from 0.
2630Switch 8 serves as the least significant bit (LSB).
2631
2632The node ID is the sum of the values of all switches set to "1"  
2633These values are:
2634
2635    Switch | Value
2636    -------|-------
2637      8    |   1
2638      7    |   2
2639      6    |   4
2640      5    |   8
2641      4    |  16
2642      3    |  32
2643      2    |  64
2644      1    | 128
2645
2646Some Examples:
2647
2648    Switch         | Hex     | Decimal 
2649   1 2 3 4 5 6 7 8 | Node ID | Node ID
2650   ----------------|---------|---------
2651   0 0 0 0 0 0 0 0 |    not allowed
2652   0 0 0 0 0 0 0 1 |    1    |    1 
2653   0 0 0 0 0 0 1 0 |    2    |    2
2654   0 0 0 0 0 0 1 1 |    3    |    3
2655       . . .       |         |
2656   0 1 0 1 0 1 0 1 |   55    |   85
2657       . . .       |         |
2658   1 0 1 0 1 0 1 0 |   AA    |  170
2659       . . .       |         |  
2660   1 1 1 1 1 1 0 1 |   FD    |  253
2661   1 1 1 1 1 1 1 0 |   FE    |  254
2662   1 1 1 1 1 1 1 1 |   FF    |  255
2663
2664
2665Setting the I/O Base Address
2666----------------------------
2667
2668The first three switches in switch group SW1 are used to select one
2669of eight possible I/O Base addresses using the following table
2670
2671   Switch      | Hex I/O
2672    3   2   1  | Address
2673   ------------|--------
2674   ON  ON  ON  |  260
2675   ON  ON  OFF |  290
2676   ON  OFF ON  |  2E0  (Manufacturer's default)
2677   ON  OFF OFF |  2F0
2678   OFF ON  ON  |  300
2679   OFF ON  OFF |  350
2680   OFF OFF ON  |  380
2681   OFF OFF OFF |  3E0
2682
2683
2684Setting the Base Memory (RAM) buffer Address
2685--------------------------------------------
2686
2687The memory buffer requires 2K of a 16K block of RAM. The base of this
268816K block can be located in any of eight positions.
2689Switches 6-8 of switch group SW1 select the Base of the 16K block.
2690Within that 16K address space, the buffer may be assigned any one of four
2691positions, determined by the offset, switches 4 and 5 of group SW1.
2692
2693   Switch     | Hex RAM | Hex ROM
2694   8 7 6  5 4 | Address | Address
2695   -----------|---------|-----------
2696   0 0 0  0 0 |  C0000  |  C2000
2697   0 0 0  0 1 |  C0800  |  C2000
2698   0 0 0  1 0 |  C1000  |  C2000
2699   0 0 0  1 1 |  C1800  |  C2000
2700              |         |
2701   0 0 1  0 0 |  C4000  |  C6000
2702   0 0 1  0 1 |  C4800  |  C6000
2703   0 0 1  1 0 |  C5000  |  C6000
2704   0 0 1  1 1 |  C5800  |  C6000
2705              |         |
2706   0 1 0  0 0 |  CC000  |  CE000
2707   0 1 0  0 1 |  CC800  |  CE000
2708   0 1 0  1 0 |  CD000  |  CE000
2709   0 1 0  1 1 |  CD800  |  CE000
2710              |         |
2711   0 1 1  0 0 |  D0000  |  D2000  (Manufacturer's default)
2712   0 1 1  0 1 |  D0800  |  D2000
2713   0 1 1  1 0 |  D1000  |  D2000
2714   0 1 1  1 1 |  D1800  |  D2000
2715              |         |
2716   1 0 0  0 0 |  D4000  |  D6000
2717   1 0 0  0 1 |  D4800  |  D6000
2718   1 0 0  1 0 |  D5000  |  D6000
2719   1 0 0  1 1 |  D5800  |  D6000
2720              |         |
2721   1 0 1  0 0 |  D8000  |  DA000
2722   1 0 1  0 1 |  D8800  |  DA000
2723   1 0 1  1 0 |  D9000  |  DA000
2724   1 0 1  1 1 |  D9800  |  DA000
2725              |         |
2726   1 1 0  0 0 |  DC000  |  DE000
2727   1 1 0  0 1 |  DC800  |  DE000
2728   1 1 0  1 0 |  DD000  |  DE000
2729   1 1 0  1 1 |  DD800  |  DE000
2730              |         |
2731   1 1 1  0 0 |  E0000  |  E2000
2732   1 1 1  0 1 |  E0800  |  E2000
2733   1 1 1  1 0 |  E1000  |  E2000
2734   1 1 1  1 1 |  E1800  |  E2000
2735  
2736
2737Setting Interrupt Request Lines (IRQ)
2738-------------------------------------
2739
2740??????????????????????????????????????
2741
2742
2743Setting the Timeouts
2744--------------------
2745
2746??????????????????????????????????????
2747
2748
2749*****************************************************************************
2750
2751** No Name **
27528-bit cards ("Made in Taiwan R.O.C.")
2753-----------
2754  - from Vojtech Pavlik <vojtech@suse.cz>
2755
2756I have named this ARCnet card "NONAME", since I got only the card with
2757no manual at all and the only text identifying the manufacturer is 
2758"MADE IN TAIWAN R.O.C" printed on the card.
2759
2760          ____________________________________________________________
2761         |                 1 2 3 4 5 6 7 8                            |
2762         | |o|o| JP1       o|o|o|o|o|o|o|o| ON                        |
2763         |  +              o|o|o|o|o|o|o|o|                        ___|
2764         |  _____________  o|o|o|o|o|o|o|o| OFF         _____     |   | ID7
2765         | |             | SW1                         |     |    |   | ID6
2766         | > RAM (2k)    |        ____________________ |  H  |    | S | ID5
2767         | |_____________|       |                    ||  y  |    | W | ID4
2768         |                       |                    ||  b  |    | 2 | ID3
2769         |                       |                    ||  r  |    |   | ID2
2770         |                       |                    ||  i  |    |   | ID1
2771         |                       |       90C65        ||  d  |    |___| ID0
2772         |      SW3              |                    ||     |        |      
2773         | |o|o|o|o|o|o|o|o| ON  |                    ||  I  |        |
2774         | |o|o|o|o|o|o|o|o|     |                    ||  C  |        |
2775         | |o|o|o|o|o|o|o|o| OFF |____________________||     |   _____|
2776         |  1 2 3 4 5 6 7 8                            |     |  |     |___
2777         |  ______________                             |     |  | BNC |___|
2778         | |              |                            |_____|  |_____|
2779         | > EPROM SOCKET |                                           |
2780         | |______________|                                           |
2781         |                                              ______________|
2782         |                                             |
2783         |_____________________________________________|
2784
2785Legend:
2786
278790C65       ARCNET Chip 
2788SW1 1-5:    Base Memory Address Select
2789    6-8:    Base I/O Address Select
2790SW2 1-8:    Node ID Select (ID0-ID7)
2791SW3 1-5:    IRQ Select   
2792    6-7:    Extra Timeout
2793    8  :    ROM Enable   
2794JP1         Led connector
2795BNC         Coax connector
2796
2797Although the jumpers SW1 and SW3 are marked SW, not JP, they are jumpers, not 
2798switches.
2799
2800Setting the jumpers to ON means connecting the upper two pins, off the bottom 
2801two - or - in case of IRQ setting, connecting none of them at all.
2802
2803Setting the Node ID
2804-------------------
2805
2806The eight switches in SW2 are used to set the node ID. Each node attached
2807to the network must have an unique node ID which must not be 0.
2808Switch 1 (ID0) serves as the least significant bit (LSB).
2809
2810Setting one of the switches to Off means "1", On means "0".
2811
2812The node ID is the sum of the values of all switches set to "1"  
2813These values are:
2814
2815   Switch | Label | Value
2816   -------|-------|-------
2817     1    | ID0   |   1
2818     2    | ID1   |   2
2819     3    | ID2   |   4
2820     4    | ID3   |   8
2821     5    | ID4   |  16
2822     6    | ID5   |  32
2823     7    | ID6   |  64
2824     8    | ID7   | 128
2825
2826Some Examples:
2827
2828    Switch         | Hex     | Decimal 
2829   8 7 6 5 4 3 2 1 | Node ID | Node ID
2830   ----------------|---------|---------
2831   0 0 0 0 0 0 0 0 |    not allowed
2832   0 0 0 0 0 0 0 1 |    1    |    1 
2833   0 0 0 0 0 0 1 0 |    2    |    2
2834   0 0 0 0 0 0 1 1 |    3    |    3
2835       . . .       |         |
2836   0 1 0 1 0 1 0 1 |   55    |   85
2837       . . .       |         |
2838   1 0 1 0 1 0 1 0 |   AA    |  170
2839       . . .       |         |  
2840   1 1 1 1 1 1 0 1 |   FD    |  253
2841   1 1 1 1 1 1 1 0 |   FE    |  254
2842   1 1 1 1 1 1 1 1 |   FF    |  255
2843
2844
2845Setting the I/O Base Address
2846----------------------------
2847
2848The last three switches in switch block SW1 are used to select one
2849of eight possible I/O Base addresses using the following table
2850
2851
2852   Switch      | Hex I/O
2853    6   7   8  | Address
2854   ------------|--------
2855   ON  ON  ON  |  260
2856   OFF ON  ON  |  290
2857   ON  OFF ON  |  2E0  (Manufacturer's default)
2858   OFF OFF ON  |  2F0
2859   ON  ON  OFF |  300
2860   OFF ON  OFF |  350
2861   ON  OFF OFF |  380
2862   OFF OFF OFF |  3E0
2863
2864
2865Setting the Base Memory (RAM) buffer Address
2866--------------------------------------------
2867
2868The memory buffer (RAM) requires 2K. The base of this buffer can be 
2869located in any of eight positions. The address of the Boot Prom is
2870memory base + 0x2000.
2871Jumpers 3-5 of jumper block SW1 select the Memory Base address.
2872
2873   Switch              | Hex RAM | Hex ROM
2874    1   2   3   4   5  | Address | Address *)
2875   --------------------|---------|-----------
2876   ON  ON  ON  ON  ON  |  C0000  |  C2000
2877   ON  ON  OFF ON  ON  |  C4000  |  C6000
2878   ON  ON  ON  OFF ON  |  CC000  |  CE000
2879   ON  ON  OFF OFF ON  |  D0000  |  D2000  (Manufacturer's default)
2880   ON  ON  ON  ON  OFF |  D4000  |  D6000
2881   ON  ON  OFF ON  OFF |  D8000  |  DA000
2882   ON  ON  ON  OFF OFF |  DC000  |  DE000
2883   ON  ON  OFF OFF OFF |  E0000  |  E2000
2884  
2885*) To enable the Boot ROM set the jumper 8 of jumper block SW3 to position ON.
2886
2887The jumpers 1 and 2 probably add 0x0800, 0x1000 and 0x1800 to RAM adders.
2888
2889Setting the Interrupt Line
2890--------------------------
2891
2892Jumpers 1-5 of the jumper block SW3 control the IRQ level.
2893
2894    Jumper              |  IRQ
2895    1   2   3   4   5   |
2896   ----------------------------
2897    ON  OFF OFF OFF OFF |  2
2898    OFF ON  OFF OFF OFF |  3
2899    OFF OFF ON  OFF OFF |  4
2900    OFF OFF OFF ON  OFF |  5
2901    OFF OFF OFF OFF ON  |  7
2902
2903
2904Setting the Timeout Parameters
2905------------------------------
2906
2907The jumpers 6-7 of the jumper block SW3 are used to determine the timeout 
2908parameters. These two jumpers are normally left in the OFF position.
2909
2910
2911*****************************************************************************
2912
2913** No Name **
2914(Generic Model 9058)
2915--------------------
2916  - from Andrew J. Kroll <ag784@freenet.buffalo.edu>
2917  - Sorry this sat in my to-do box for so long, Andrew! (yikes - over a
2918    year!)
2919                                                                      _____
2920                                                                     |    <
2921                                                                     | .---'
2922    ________________________________________________________________ | |
2923   |                           |     SW2     |                      |  |
2924   |   ___________             |_____________|                      |  |
2925   |  |           |              1 2 3 4 5 6                     ___|  |
2926   |  >  6116 RAM |         _________                         8 |   |  |
2927   |  |___________|        |20MHzXtal|                        7 |   |  |
2928   |                       |_________|       __________       6 | S |  |
2929   |    74LS373                             |          |-     5 | W |  |
2930   |   _________                            |      E   |-     4 |   |  |
2931   |   >_______|              ______________|..... P   |-     3 | 3 |  |
2932   |                         |              |    : O   |-     2 |   |  |
2933   |                         |              |    : X   |-     1 |___|  |
2934   |   ________________      |              |    : Y   |-           |  |
2935   |  |      SW1       |     |      SL90C65 |    :     |-           |  |
2936   |  |________________|     |              |    : B   |-           |  |
2937   |    1 2 3 4 5 6 7 8      |              |    : O   |-           |  |
2938   |                         |_________o____|..../ A   |-    _______|  |
2939   |    ____________________                |      R   |-   |       |------,   
2940   |   |                    |               |      D   |-   |  BNC  |   #  |
2941   |   > 2764 PROM SOCKET   |               |__________|-   |_______|------'
2942   |   |____________________|              _________                |  |
2943   |                                       >________| <- 74LS245    |  |
2944   |                                                                |  |
2945   |___                                               ______________|  |
2946       |H H H H H H H H H H H H H H H H H H H H H H H|               | |
2947       |U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U|               | |
2948                                                                      \|
2949Legend:
2950
2951SL90C65         ARCNET Controller / Transceiver /Logic
2952SW1     1-5:    IRQ Select
2953          6:    ET1
2954          7:    ET2
2955          8:    ROM ENABLE 
2956SW2     1-3:    Memory Buffer/PROM Address
2957        3-6:    I/O Address Map
2958SW3     1-8:    Node ID Select
2959BNC             BNC RG62/U Connection 
2960                *I* have had success using RG59B/U with *NO* terminators!
2961                What gives?!
2962
2963SW1: Timeouts, Interrupt and ROM
2964---------------------------------
2965
2966To select a hardware interrupt level set one (only one!) of the dip switches
2967up (on) SW1...(switches 1-5)
2968IRQ3, IRQ4, IRQ5, IRQ7, IRQ2. The Manufacturer's default is IRQ2.
2969
2970The switches on SW1 labeled EXT1 (switch 6) and EXT2 (switch 7)
2971are used to determine the timeout parameters. These two dip switches
2972are normally left off (down).
2973
2974   To enable the 8K Boot PROM position SW1 switch 8 on (UP) labeled ROM.
2975   The default is jumper ROM not installed.
2976
2977
2978Setting the I/O Base Address
2979----------------------------
2980
2981The last three switches in switch group SW2 are used to select one
2982of eight possible I/O Base addresses using the following table
2983
2984
2985   Switch | Hex I/O
2986   4 5 6  | Address
2987   -------|--------
2988   0 0 0  |  260
2989   0 0 1  |  290
2990   0 1 0  |  2E0  (Manufacturer's default)
2991   0 1 1  |  2F0
2992   1 0 0  |  300
2993   1 0 1  |  350
2994   1 1 0  |  380
2995   1 1 1  |  3E0
2996
2997
2998Setting the Base Memory Address (RAM & ROM)
2999-------------------------------------------
3000
3001The memory buffer requires 2K of a 16K block of RAM. The base of this
300216K block can be located in any of eight positions.
3003Switches 1-3 of switch group SW2 select the Base of the 16K block.
3004(0 = DOWN, 1 = UP)
3005I could, however, only verify two settings...
3006
3007   Switch| Hex RAM | Hex ROM
3008   1 2 3 | Address | Address
3009   ------|---------|-----------
3010   0 0 0 |  E0000  |  E2000
3011   0 0 1 |  D0000  |  D2000  (Manufacturer's default)
3012   0 1 0 |  ?????  |  ?????
3013   0 1 1 |  ?????  |  ?????  
3014   1 0 0 |  ?????  |  ?????
3015   1 0 1 |  ?????  |  ?????
3016   1 1 0 |  ?????  |  ?????
3017   1 1 1 |  ?????  |  ?????
3018
3019
3020Setting the Node ID
3021-------------------
3022
3023The eight switches in group SW3 are used to set the node ID.
3024Each node attached to the network must have an unique node ID which
3025must be different from 0.
3026Switch 1 serves as the least significant bit (LSB).
3027switches in the DOWN position are OFF (0) and in the UP position are ON (1)
3028
3029The node ID is the sum of the values of all switches set to "1"  
3030These values are:
3031    Switch | Value
3032    -------|-------
3033      1    |   1
3034      2    |   2
3035      3    |   4
3036      4    |   8
3037      5    |  16
3038      6    |  32
3039      7    |  64
3040      8    | 128
3041
3042Some Examples:
3043
3044    Switch#     |   Hex   | Decimal 
30458 7 6 5 4 3 2 1 | Node ID | Node ID
3046----------------|---------|---------
30470 0 0 0 0 0 0 0 |    not allowed  <-.
30480 0 0 0 0 0 0 1 |    1    |    1    | 
30490 0 0 0 0 0 1 0 |    2    |    2    |
30500 0 0 0 0 0 1 1 |    3    |    3    |
3051    . . .       |         |         |
30520 1 0 1 0 1 0 1 |   55    |   85    |
3053    . . .       |         |         + Don't use 0 or 255!
30541 0 1 0 1 0 1 0 |   AA    |  170    |
3055    . . .       |         |         |
30561 1 1 1 1 1 0 1 |   FD    |  253    |
30571 1 1 1 1 1 1 0 |   FE    |  254    |
30581 1 1 1 1 1 1 1 |   FF    |  255  <-'
3059  
3060
3061*****************************************************************************
3062
3063** Tiara **
3064(model unknown)
3065-------------------------
3066  - from Christoph Lameter <christoph@lameter.com>
3067  
3068
3069Here is information about my card as far as I could figure it out:
3070----------------------------------------------- tiara
3071Tiara LanCard of Tiara Computer Systems.
3072
3073+----------------------------------------------+
3074!           ! Transmitter Unit !               !
3075!           +------------------+             -------
3076!          MEM                              Coax Connector
3077!  ROM    7654321 <- I/O                     -------
3078!  :  :   +--------+                           !
3079!  :  :   ! 90C66LJ!                         +++
3080!  :  :   !        !                         !D  Switch to set
3081!  :  :   !        !                         !I  the Nodenumber
3082!  :  :   +--------+                         !P
3083!                                            !++
3084!         234567 <- IRQ                      !
3085+------------!!!!!!!!!!!!!!!!!!!!!!!!--------+
3086             !!!!!!!!!!!!!!!!!!!!!!!!
3087
30880 = Jumper Installed
30891 = Open
3090
3091Top Jumper line Bit 7 = ROM Enable 654=Memory location 321=I/O
3092
3093Settings for Memory Location (Top Jumper Line)
3094456     Address selected
3095000     C0000
3096001     C4000
3097010     CC000
3098011     D0000
3099100     D4000
3100101     D8000
3101110     DC000     
3102111     E0000
3103
3104Settings for I/O Address (Top Jumper Line)
3105123     Port
3106000     260
3107001     290
3108010     2E0
3109011     2F0
3110100     300
3111101     350
3112110     380
3113111     3E0
3114
3115Settings for IRQ Selection (Lower Jumper Line)
3116234567
3117011111 IRQ 2
3118101111 IRQ 3
3119110111 IRQ 4
3120111011 IRQ 5
3121111110 IRQ 7
3122
3123*****************************************************************************
3124
3125
3126Other Cards
3127-----------
3128
3129I have no information on other models of ARCnet cards at the moment.  Please
3130send any and all info to:
3131        apenwarr@worldvisions.ca
3132
3133Thanks.
3134
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