GVC TECHNOLOGIES, INC.

NIC-1000BT

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8-bit ISA
Topology      Star

              Linear Bus
Wiring Type   Shielded/Unshielded twisted pair

              RG58A/U 50ohm coaxial

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                                 BOOT ROM

                 Setting                                W1

  »               Disabled                             Open

                   Enabled                            Closed

                   I/O BASE ADDRESS AND BOOT ROM ADDRESS

     I/O Address        Boot ROM Address          W2             W3

  »      300-31Fh         C8000-CBFFFh          Closed         Closed

         320-33Fh         CC000-CFFFFh           Open          Closed

         340-35Fh         D0000-D3FFFh          Closed          Open

         360-37Fh         D4000-D7FFFh           Open           Open

                             INTERRUPT REQUEST

      IRQ            W4            W5             W6             W7

         2          Open          Open           Open          Closed

  »      3         Closed         Open           Open           Open

         4          Open         Closed          Open           Open

         5          Open          Open          Closed          Open

                                CABLE TYPE

                Type                        W8                 W9

  »      RG58A/U 50ohm coaxial           Pins 1 & 2         Pins 1 & 2
                                          closed             closed

       Shielded/Unshielded twisted       Pins 2 & 3         Pins 2 & 3
                  pair                    closed             closed

        AUI transceiver via DB-15        Pins 2 & 3         Pins 1 & 2
                  port                    closed             closed

                            LINK INTEGRITY TEST

                Setting                                 W10

  »                Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

                             DIAGNOSTIC LED(S)

     LED         Color         Status                 Condition

    LED1         Green           On              Twisted pair network
                                                 connection is good

    LED1         Green           Off             Twisted pair network
                                                connection is broken

    LED2         Green        Blinking        Data is being transmitted

    LED2          Red         Blinking         Data is being received

    LED2          N/A            Off        Data is not being received or
                                                     transmitted

  Notes:When Link Integrity is disabled, LED1 will remain off. This does
  not indicate a faulty connection.