GVC TECHNOLOGIES, INC.

NIC-2000T (Revision 2)

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

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                                 BOOT ROM

                 Setting                                W1

  »               Disabled                             Open

                   Enabled                            Closed

                                CABLE TYPE

                   Type                                  W9

  »         Unshielded twisted pair               Pins 2 & 3 closed

        AUI transceiver via DB-15 port            Pins 1 & 2 closed

                            LINK INTEGRITY TEST

                Function                                W10

  »         Link intergity enabled               Pins 1 & 2 closed

           Link integrity disabled               Pins 2 & 3 closed

                           WAIT STATE SELECTION

              1 Wait State                              W4

  »                Enabled                             Open

                  Disabled                            Closed

                                INTERRUPT SETTINGS

    IRQ        W5       W6       W7       W8      W11      W12      W13      W14

  »   IRQ3   Closed    Open     Open     Open    Open     Open     Open     Open

      IRQ4    Open    Closed    Open     Open    Open     Open     Open     Open

      IRQ5    Open     Open    Closed    Open    Open     Open     Open     Open

      IRQ9    Open     Open     Open    Closed   Open     Open     Open     Open

      IRQ10   Open     Open     Open     Open    Closed   Open     Open     Open

      IRQ11   Open     Open     Open     Open    Open     Closed   Open     Open

      IRQ12   Open     Open     Open     Open    Open     Open     Closed   Open

      IRQ15   Open     Open     Open     Open    Open     Open     Open     Closed

                   I/O BASE ADDRESS AND BOOT ROM ADDRESS

  I/O Base Address     Boot ROM Address        W2               W3

  »    300h - 31Fh          C800h            Closed           Closed

       320h - 33Fh          CC00h             Open            Closed

       340h - 35Fh          D000h            Closed            Open

       360h - 37Fh          D400h             Open             Open

                             DIAGNOSTIC LED(S)

    LED          Color          Status                Condition

    LED1        Yellow            On               Data is not being
                                                     transmitted

    LED1        Yellow         Blinking       Data is being transmitted

    LED2          Red             On          Data is not being received

    LED2          Red          Blinking         Data is being received

    LED3         Green            On            10BaseT link integrity
                                                        exists

    LED3         Green           Off          10BaseT link integrity test
                                                       disabled

    LED4          Red            Off             Polarity is correct

    LED4          Red             On             Polarity is reversed

  Note:LED3 is only functional when link integrity is enabled, and when
  installed on a 10BaseT network.