
GVC TECHNOLOGIES, INC.

NIC-1000B

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8-bit ISA
Topology      Linear Bus
Wiring Type   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 - W15

            RG58A/U 50ohm coaxial                Pins 1 & 2 closed

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

