UPDATE TECHNOLOGY, INC.

VL-BUS ETHERNET LAN CARD

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      VESA Local Bus
Topology      Linear Bus
Wiring Type   Unshielded twisted pair

              RG58A/U 50ohm coaxial

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                                CABLE TYPE

             Type                                  JP8

   AUI transceiver via DB-15                     All open
             port

     RG58A/U 50ohm coaxial        Pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 &
                                            15, 17 & 18 closed

    Unshielded twisted pair       Pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                            14, 16 & 17 closed

             BUS MODE SELECT

        Mode                 JP1

     16-bit ISA       Pins 1 & 2 closed

    32-bit VL-bus     Pins 2 & 3 closed

                     RG58A TRUNK SEGMENT LENGTH SELECT

                 Setting                                JP9

  »          300M trunk segment                        Open

             180M trunk segment                       Closed

          ROM ADDRESS CONFIGURATION

        Address                 JP4

         C000h           Pins 1 & 2 closed

        C4000h           Pins 3 & 4 closed

        C8000h           Pins 5 & 6 closed

        CC000h           Pins 7 & 8 closed

        D0000h           Pins 9 & 10 closed

        D4000h          Pins 11 & 12 closed

        D8000h          Pins 13 & 14 closed

        DC000h          Pins 15 & 16 closed

                       I/O BASE ADDRESS SELECT

              Address                             JP5

               200h                     Pins 3 & 4, 5 & 6 closed

               220h                 Pins 1 & 2, 3 & 4, 5 & 6 closed

               280h                        Pins 5 & 6 closed

               300h                             All open

               320h                        Pins 1 & 2 closed

               340h                        Pins 3 & 4 closed

               360h                     Pins 1 & 2, 3 & 4 closed

                             INTERRUPT SELECT

             IRQ                      JP6                    JP7

  »           IRQ3             Pins 3 & 4 closed           All open

            IR/FONT>           Pins 1 & 2 closed           All open

              IRQ4             Pins 5 & 6 closed           All open

              IRQ5             Pins 7 & 8 closed           All open

              IRQ6             Pins 9 & 10 closed          All open

              IRQ7            Pins 11 & 12 closed          All open

              IRQ10                 All open          Pins 1 & 2 closed

              IRQ11                 All open          Pins 3 & 4 closed

              IRQ12                 All open          Pins 5 & 6 closed

              IRQ14                 All open          Pins 7 & 8 closed

              IRQ15                 All open          Pins 9 & 10 closed

                    RAM BUFFER SIZE SELECT

        Size                 JP2                  JP3

        16KB           Pins 1 & 2 closed   Pins 1 & 2 closed

        32KB           Pins 2 & 3 closed   Pins 2 & 3 closed