GVC TECHNOLOGIES, INC.

NIC-2003

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8-bit ISA
Topology      Linear Bus, Star
Wiring Type   Unshielded twisted pair

              RG58A/U 50ohm coaxial

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                     BASE MEMORY ADDRESS CONFIGURATION

    Address     Shared Memory     JP1        JP2        JP3        JP4
                    Size

  »     N/A     No Boot PROM      Open       Open      Open        Open

       C000h      8KB/16KB        Open       Open     Closed       Open

       C400h      8KB/16KB        Open       Open     Closed      Closed

       C800h      8KB/16KB        Open      Closed     Open        Open

       CC00h      8KB/16KB        Open      Closed     Open       Closed

       D000h      8KB/16KB        Open      Closed    Closed       Open

       D400h      8KB/16KB        Open      Closed    Closed      Closed

       D800h      8KB/16KB       Closed      Open      Op-en       Open

       DC00h      8KB/16KB       Closed      Open      Open       Closed

       C000h      32KB/32KB      Closed      Open     Closed       Open

       C800h      32KB/32KB      Closed      Open     Closed      Closed

       D000h      32KB/32KB      Closed     Closed     Open        Open

       D800h      32KB/32KB      Closed     Closed     Open       Closed

       C000h      64KB/64KB      Closed     Closed    Closed       Open

       D000h      64KB/64KB      Closed     Closed    Closed      Closed

                                CABLE TYPE

            Type                      JP5                    JP6

    RG58A/U 50ohm coaxial             Open                  Closed

  AUI transceiver via DB-15          Closed                  Open
            port

    TPI (Reduced Squelch)            Closed                 Closed

   Unshielded twisted pair            Open                   Open

                        CHANNEL READY CONFIGURATION

                 Setting                                JP12

  »      Channel Ready generated after                  Open
                command strobe

      Channel ready generated after BALE               Closed
                  goes high

                                 EECONFIG

                  Setting                                JP18

  »          Software Configuration                     Closed

        Hardware (jumpers) Configuration                 Open

                             INTERRUPT SELECT

        IRQ             JP7           JP8          JP9           JP10

  »      IRQ3         Closed         Open          Open          Open

         IRQ4         Closed         Open          Open         Closed

         IRQ5         Closed         Open         Closed         Open

         IRQ9         Closed         Open         Closed        Closed

         IRQ10        Closed        Closed         Open          Open

         IRQ11        Closed        Closed         Open         Closed

         IRQ12        Closed        Closed        Closed         Open

         IRQ15        Closed        Closed        Closed        Closed

                      I/O BASE ADDRESS CONFIGURATION

        Address              JP15             JP16             JP17

  »        300h              Open             Open             Open

         Software            Open             Open            Closed

           240h              Open            Closed            Open

           280h              Open            Closed           Closed

           2C0h             Closed            Open             Open

           320h             Closed            Open            Closed

           340h             Closed           Closed            Open

           360h             Closed           Closed           Closed

                           IO16CON CONFIGURATION

                 Setting                                JP13

  »     IO16 generated only on address                  Open
                    decode

       IO16 generated after IORD or IOWR               Closed
                  go active

                          LINK-TEST CONFIGURATION

                 Setting                                JP11

  »           Link Test enabled                         Open

              Link Test disabled                       Closed

                       MEMORY/IO MODE CONFIGURATION

                Setting                                JP14

  »               I/O Mode                             Open

             Shared Memory Mode                       Closed