
ADVANCED LOGIC RESEARCH, INC.

ALR/ENET-EBT

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8-bit ISA
Topology      Linear Bus
Wiring Type   AUI transceiver via DB-15 port

              RG-58A/U 50ohm coaxial
Boot ROM      Available

[Image]

                     CABLE TYPE

               Type                     W3/A-F

      RG58A/U 50ohm coaxial             Closed

  AUI transceiver via DB-15 port         Open

                   ETHERNET REVISION

          Revision                      W4

           Rev. 1                     Closed

  IEEE (Rev. 2) and RG-58A             Open

       SEGMENT LENGTH

    Length         W5

  185 meters     Closed

  300 meters      Open

                                 ROM SIZE

    Size               W6                   W9                 W10

    NONE        Pins 7 & 8, 9 & 10      Pins 3 & 4      Pins 3 & 4 closed
                     closed               closed

    16KB        Pins 7 & 8, 9 & 10      Pins 3 & 4      Pins 3 & 4 closed
                      open                closed

    32KB        Pins 7 & 8 closed,      Pins 3 & 4      Pins 1 & 2 closed
                   9 & 10 open            closed

    64KB        Pins 7 & 8 open, 9      Pins 1 & 2      Pins 1 & 2 closed
                   & 10 closed            closed

                              RAM BUFFER SIZE

      Size              W7                  W8                 W11

      8KB            Pins 3 & 4         Pins 3 & 4      Pins 2 & 3 closed
                      closed              closed

      32KB           Pins 1 & 2         Pins 1 & 2      Pins 1 & 2 closed
                      closed              closed

  WAIT STATE CONFIGURATION

  Bus Speed         W1

     6MHz         Closed

   8-16MHz         Open

              INTERRUPT SETTINGS

          IRQ                    W2

           2            Pins 11 & 12 closed

           3             Pins 9 & 10 closed

           4             Pins 7 & 8 closed

           5             Pins 5 & 6 closed

           6             Pins 3 & 4 closed

           7             Pins 1 & 2 closed

                             BASE I/O ADDRESS

    Address       W1, pins 3     W1, pins 5    W1, pins 7    W1, pins 9 &
                     & 4            & 6           & 8             10

      200h          Closed        Closed         Closed         Closed

      220h           Open         Closed         Closed         Closed

      240h          Closed         Open          Closed         Closed

      260h           Open          Open          Closed         Closed

      280h          Closed        Closed          Open          Closed

      2A0h           Open         Closed          Open          Closed

      2C0h          Closed         Open           Open          Closed

      2E0h           Open          Open           Open          Closed

      300h          Closed        Closed         Closed          Open

      320h           Open         Closed         Closed          Open

      340h          Closed         Open          Closed          Open

      360h           Open          Open          Closed          Open

      380h          Closed        Closed          Open           Open

      3A0h           Open         Closed          Open           Open

      3C0h          Closed         Open           Open           Open

      3E0h           Open          Open           Open           Open

                             BOOT ROM ADDRESS

    Address     Sizes Available    W6, pins 5   W6, pins 3     W6, pins 1
                                      & 6          & 4            & 2

    C8000h         16K, 32K         Closed        Closed        Closed

    CC000h            16K           Closed        Closed         Open

    D0000h       16K, 32K, 64K      Closed         Open         Closed

    D4000h            16K           Closed         Open          Open

    D8000h         16K, 32K          Open         Closed        Closed

    DC000h            16K            Open         Closed         Open

