
TIARA COMPUTER SYSTEMS, INC.

LanCard/E * AT TP

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      16-bit ISA
Topology      Linear Bus
Wiring Type   Shielded twisted pair

              Unshielded twisted pair

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                               CABLE TYPE

               Jumper                            JPA - JPH

  Shielded/Unshielded twisted pair           Pins 1 & 2 closed

   AUI transceiver via DB-15 port            Pins 2 & 3 closed

                             DIAGNOSTIC LED(S)

     LED         Status                       Condition

    LED1           On                          Power on

    LED1          Off          Card is not receiving power, the fuse is
                                blown, or cable type is twisted pair.

    LED2           On          Twisted pair network connection is good

    LED2          Off         Twisted pair network connection is broken

  Note:LED2 will only function is the cable type is twisted pair.

                             I/O BASE ADDRESS

    Address         JP2         JP3         JP4        JP5         JP6

       300h      Pins 2 &    Pins 2 &    Pins 2 &   Pins 1 &    Pins 1 &
                     3           3           3          2           2

        000h      Pins 2 &    Pins 2 &    Pins 2 &   Pins 2 &    Pins 2 &
                     3           3           3          3           3

        020h      Pins 1 &    Pins 2 &    Pins 2 &   Pins 2 &    Pins 2 &
                     2           3           3          3           3

        040h      Pins 2 &    Pins 1 &    Pins 2 &   Pins 2 &    Pins 2 &
                     3           2           3          3           3

        060h      Pins 1 &    Pins 1 &    Pins 2 &   Pins 2 &    Pins 2 &
                     2           2           3          3           3

        080h      Pins 2 &    Pins 2 &    Pins 1 &   Pins 2 &    Pins 2 &
                     3           3           2          3           3

        0A0h      Pins 1 &    Pins 2 &    Pins 1 &   Pins 2 &    Pins 2 &
                     2           3           2          3           3

        0C0h      Pins 2 &    Pins 1 &    Pins 1 &   Pins 2 &    Pins 2 &
                     3           2           2          3           3

        0E0h      Pins 1 &    Pins 1 &    Pins 1 &   Pins 2 &    Pins 2 &
                     2           2           2          3           3

        100h      Pins 2 &    Pins 2 &    Pins 2 &   Pins 1 &    Pins 2 &
                     3           3           3          2           3

        120h      Pins 1 &    Pins 2 &    Pins 2 &   Pins 1 &    Pins 2 &
                     2           3           3          2           3

        140h      Pins 2 &    Pins 1 &    Pins 2 &   Pins 1 &    Pins 2 &
                     3           2           3          2           3

        160h      Pins 1 &    Pins 1 &    Pins 2 &   Pins 1 &    Pins 2 &
                     2           2           3          2           3

        180h      Pins 2 &    Pins 2 &    Pins 1 &   Pins 1 &    Pins 2 &
                     3           3           2          2           3

        1A0h      Pins 1 &    Pins 2 &    Pins 1 &   Pins 1 &    Pins 2 &
                     2           3           2          2           3

        1C0h      Pins 2 &    Pins 1 &    Pins 1 &   Pins 1 &    Pins 2 &
                     3           2           2          2           3

        1E0h      Pins 1 &    Pins 1 &    Pins 1 &   Pins 1 &    Pins 2 &
                     2           2           2          2           3

        200h      Pins 2 &    Pins 2 &    Pins 2 &   Pins 2 &    Pins 1 &
                     3           3           3          3           2

        220h      Pins 1 &    Pins 2 &    Pins 2 &   Pins 2 &    Pins 1 &
                     2           3           3          3           2

        240h      Pins 2 &    Pins 1 &    Pins 2 &   Pins 2 &    Pins 1 &
                     3           2           3          3           2

        260h      Pins 1 &    Pins 1 &    Pins 2 &   Pins 2 &    Pins 1 &
                     2           2           3          3           2

        280h      Pins 2 &    Pins 2 &    Pins 1 &   Pins 2 &    Pins 1 &
                     3           3           2          3           2

        2A0h      Pins 1 &    Pins 2 &    Pins 1 &   Pins 2 &    Pins 1 &
                     2           3           2          3           2

        2C0h      Pins 2 &    Pins 1 &    Pins 1 &   Pins 2 &    Pins 1 &
                     3           2           2          3           2

        2E0h      Pins 1 &    Pins 1 &    Pins 1 &   Pins 2 &    Pins 1 &
                     2           2           2          3           2

        320h      Pins 1 &    Pins 2 &    Pins 2 &   Pins 1 &    Pins 1 &
                     2           3           3          2           2

        340h      Pins 2 &    Pins 1 &    Pins 2 &   Pins 1 &    Pins 1 &
                     3           2           3          2           2

        360h      Pins 1 &    Pins 1 &    Pins 2 &   Pins 1 &    Pins 1 &
                     2           2           3          2           2

        380h      Pins 2 &    Pins 2 &    Pins 1 &   Pins 1 &    Pins 1 &
                     3           3           2          2           2

        3A0h      Pins 1 &    Pins 2 &    Pins 1 &   Pins 1 &    Pins 1 &
                     2           3           2          2           2

        3C0h      Pins 2 &    Pins 1 &    Pins 1 &   Pins 1 &    Pins 1 &
                     3           2           2          2           2

        3E0h      Pins 1 &    Pins 1 &    Pins 1 &   Pins 1 &    Pins 1 &
                     2           2           2          2           2

  Note:Pins designated should be in the closed position.

                                 BOOT ROM

                Setting                                 JP7

                 Disabled                       Pins 2 & 3 closed

                   Enabled                       Pins 1 & 2 closed

                     BASE MEMORY ADDRESS - FIRST DIGIT

     Address         JP8            JP9           JP10           JP11
    Segment

       0h         Pins 2 & 3     Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
                    closed        closed         closed         closed

       1h         Pins 2 & 3     Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                    closed        closed         closed         closed

       2h         Pins 2 & 3     Pins 2 & 3    Pins 1 & 2     Pins 2 & 3
                    closed        closed         closed         closed

       3h         Pins 2 & 3     Pins 2 & 3    Pins 1 & 2     Pins 1 & 2
                    closed        closed         closed         closed

       4h         Pins 2 & 3     Pins 1 & 2    Pins 2 & 3     Pins 2 & 3
                    closed        closed         closed         closed

       5h         Pins 2 & 3     Pins 1 & 2    Pins 2 & 3     Pins 1 & 2
                    closed        closed         closed         closed

       6h         Pins 2 & 3     Pins 1 & 2    Pins 1 & 2     Pins 2 & 3
                    closed        closed         closed         closed

       7h         Pins 2 & 3     Pins 1 & 2    Pins 1 & 2     Pins 1 & 2
                    closed        closed         closed         closed

       8h         Pins 1 & 2     Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
                    closed        closed         closed         closed

       9h         Pins 1 & 2     Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                    closed        closed         closed         closed

       Ah         Pins 1 & 2     Pins 2 & 3    Pins 1 & 2     Pins 2 & 3
                    closed        closed         closed         closed

       Bh         Pins 1 & 2     Pins 2 & 3    Pins 1 & 2     Pins 1 & 2
                    closed        closed         closed         closed

       Ch         Pins 1 & 2     Pins 1 & 2    Pins 2 & 3     Pins 2 & 3
                    closed        closed         closed         closed

       Dh         Pins 1 & 2     Pins 1 & 2    Pins 2 & 3     Pins 1 & 2
                    closed        closed         closed         closed

       Eh         Pins 1 & 2     Pins 1 & 2    Pins 1 & 2     Pins 2 & 3
                    closed        closed         closed         closed

       Fh         Pins 1 & 2     Pins 1 & 2    Pins 1 & 2     Pins 1 & 2
                    closed        closed         closed         closed

       Note:The Address Segment is the first digit in the Base Memory
       Address. Refer to the next table for the remaining three digits in
       the address. Note that not all configurable addresses are valid on
       all systems.

                  BASE MEMORY ADDRESS - LAST THREE DIGITS

    Address      ROM Size         JP11           JP12           JP30

     x000h        8K x 8       Pins 2 & 3     Pins 2 & 3      Pins 2 & 3
                                 closed         closed         closed

     x200h        8K x 8       Pins 2 & 3     Pins 2 & 3      Pins 1 & 2
                                 closed         closed         closed

     x400h        8K x 8       Pins 2 & 3     Pins 1 & 2      Pins 2 & 3
                                 closed         closed         closed

     x600h        8K x 8       Pins 2 & 3     Pins 1 & 2      Pins 1 & 2
                                 closed         closed         closed

     x800h        8K x 8       Pins 1 & 2     Pins 2 & 3      Pins 2 & 3
                                 closed         closed         closed

     xA00h        8K x 8       Pins 1 & 2     Pins 2 & 3      Pins 1 & 2
                                 closed         closed         closed

     xC00h        8K x 8       Pins 1 & 2     Pins 1 & 2      Pins 2 & 3
                                 closed         closed         closed

     xE00h        8K x 8       Pins 1 & 2     Pins 1 & 2      Pins 1 & 2
                                 closed         closed         closed

     x000h        16K x 8      Pins 2 & 3     Pins 2 & 3      Pins 2 & 3
                                 closed         closed         closed

     x400h        16K x 8      Pins 2 & 3     Pins 1 & 2      Pins 2 & 3
                                 closed         closed         closed

     x800h        16K x 8      Pins 1 & 2     Pins 2 & 3      Pins 2 & 3
                                 closed         closed         closed

     xC00h        16K x 8      Pins 1 & 2     Pins 1 & 2      Pins 2 & 3
                                 closed         closed         closed

     x000h        32K x 8      Pins 2 & 3     Pins 2 & 3      Pins 2 & 3
                                 closed         closed         closed

     x800h        32K x 8      Pins 1 & 2     Pins 2 & 3      Pins 2 & 3
                                 closed         closed         closed

     x000h        64K x 8      Pins 2 & 3     Pins 2 & 3      Pins 2 & 3
                                 closed         closed         closed

       Note:Place the three digit address given here behind the single
       digit given in the previous table to get the complete Base Memory
       Address.

                               BOOT ROM SIZE

       Size           JP15       JP16       JP17       JP18        JP19

     2764 (8KB)     Pins 1 &   Pins 1 &   Pins 1 &   Pins 2 &   Pins 2 &
                        2          2          2          3          3

         27128       Pins 2 &   Pins 1 &   Pins 1 &   Pins 2 &   Pins 1 &
        (16KB)          3          2          2          3          2

         27256       Pins 2 &   Pins 2 &   Pins 1 &   Pins 1 &   Pins 2 &
        (32KB)          3          3          2          2          3

         27512       Pins 2 &   Pins 2 &   Pins 2 &   Pins 1 &   Pins 1 &
        (64KB)          3          3          3          2          2

  Note:Pins designated should be in the closed position.

                                 DMA REQUEST CHANNEL

    Channel      JP20     JP22     JP24     JP26    JP39     JP41     JP44     JP46

     Disabled   Open     Open     Open     Open    Open     Open     Open     Closed

       DRQ0      Open     Open     Open    Closed   Open     Open     Open     Open

       DRQ1      Open     Open     Open     Open    Closed   Open     Open     Open

       DRQ2      Open     Open     Open     Open    Open     Open     Closed   Open

       DRQ3      Open     Open     Open     Open    Open     Closed   Open     Open

       DRQ5      Open     Open    Closed    Open    Open     Open     Open     Open

       DRQ6      Open    Closed    Open     Open    Open     Open     Open     Open

       DRQ7     Closed    Open     Open     Open    Open     Open     Open     Open

                               DMA ACKNOWLEDGE CHANNEL

    Channel      JP21     JP23     JP25     JP27    JP33     JP40     JP42     JP43

     Disabled   Open     Open     Open     Open    Open     Open     Open     Closed

       DACK0     Open     Open     Open    Closed   Open     Open     Open     Open

       DACK1     Open     Open     Open     Open    Closed   Open     Open     Open

       DACK2     Open     Open     Open     Open    Open     Open     Closed   Open

       DACK3     Open     Open     Open     Open    Open     Closed   Open     Open

       DACK5     Open     Open    Closed    Open    Open     Open     Open     Open

       DACK6     Open    Closed    Open     Open    Open     Open     Open     Open

       DACK7    Closed    Open     Open     Open    Open     Open     Open     Open

  Note:DMA acknowledge channel must be set to the same number as the DMA request.

                                            INTERRUPT REQUEST

   IRQ     JP28     JP29     JP30     JP31    JP32     JP34     JP35     JP36     JP37     JP38     JP45

     3    Open     Open     Open     Open    Open     Closed   Open     Open     Open     Open     Open

      2    Open     Open     Open     Open    Open     Open     Open     Open     Open     Open    Closed

      4    Open     Open     Open     Open    Open     Open     Closed   Open     Open     Open     Open

      5    Open     Open     Open     Open    Open     Open     Open     Closed   Open     Open     Open

      6    Open     Open     Open     Open    Open     Open     Open     Open    Closed    Open     Open

      7    Open     Open     Open     Open    Open     Open     Open     Open     Open    Closed    Open

      10   Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open     Open

      11   Open     Open     Open    Closed   Open     Open     Open     Open     Open     Open     Open

      12   Open     Open    Closed    Open    Open     Open     Open     Open     Open     Open     Open

      14  Closed    Open     Open     Open    Open     Open     Open     Open     Open     Open     Open

      15   Open    Closed    Open     Open    Open     Open     Open     Open     Open     Open     Open

