
TIARA COMPUTER SYSTEMS, INC.

LanCard/E*PC

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8-bit ISA
Topology      Linear Bus
Wiring Type   RG-58A/U 50ohm coaxial

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                                 BOOT ROM

                Setting                                 JP8

                 Disabled                       Pins 1 & 2 Closed

                   Enabled                       Pins 2 & 3 Closed

                            BASE MEMORY ADDRESS

       Address              JP9              JP10              JP11

          C0000h         Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                           Closed           Closed            Closed

          C4000h         Pins 1 & 2        Pins 2 & 3        Pins 1 & 2
                           Closed           Closed            Closed

          C8000h         Pins 1 & 2        Pins 1 & 2        Pins 2 & 3
                           Closed           Closed            Closed

          CC000h         Pins 1 & 2        Pins 2 & 3        Pins 2 & 3
                           Closed           Closed            Closed

         D0000h         Pins 2 & 3        Pins 1 & 2        Pins 1 & 2
                           Closed           Closed            Closed

          D4000h         Pins 2 & 3        Pins 2 & 3        Pins 1 & 2
                           Closed           Closed            Closed

          D8000h         Pins 2 & 3        Pins 1 & 2        Pins 2 & 3
                           Closed           Closed            Closed

          DC000h         Pins 2 & 3        Pins 2 & 3        Pins 2 & 3
                           Closed           Closed            Closed

                             INTERRUPT REQUEST

     IRQ         JP19        JP20         JP21        JP22        JP23

       2/9      Closed       Open         Open        Open        Open

       3        Open       Closed        Open        Open        Open

        4        Open        Open        Closed       Open        Open

        5        Open        Open         Open       Closed       Open

        7        Open        Open         Open        Open       Closed

                             I/O BASE ADDRESS

    Address         JP3         JP4         JP5        JP6         JP7

        000h      Pins 1 &    Pins 1 &    Pins 1 &   Pins 1 &    Pins 1 &
                     2           2           2          2           2

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  Note:Pins designated should be in the closed position.

                                DMA CHANNEL

    Channel       JP24      JP25      JP26      JP27     JP28      JP29

     Disabled   Closed     Open      Open     Closed    Open      Open

        DMA1      Open     Closed     Open      Open    Closed     Open

        DMA3      Open      Open     Closed     Open     Open     Closed

                                WAIT STATE

                 Setting                                JPA

         Zero wait states disabled              Pins 2 & 3 Closed

          Zero wait states enabled               Pins 1 & 2 Closed

                               CABLE LENGTH

                    Setting                                JPB

     Long cable segment mode (100 nodes on a        Pins 1 & 2 Closed
             single 984 foot cable)

     Short cable segment mode (30 nodes on a        Pins 2 & 3 Closed
             single 607 foot cable)

                                CABLE TYPE

              Type                  JPC       JPD        JPE       JPF

      RG-58A/U 50ohm coaxial      Pins 1    Pins 1     Pins 1   Pins 1 &
                                    & 2       & 2        & 2        2

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

  Note:Pins designated should be in the closed position.

                             DIAGNOSTIC LED(S)

         LED                   Status                   Condition

         LED1                    On               Data is being received
                                                          power

         LED1                    Off                Data is not being
                                                     received power

