
GATEWAY COMMUNICATIONS, INC.

G/ETHERNET LC-16 ADAPTER

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      16-bit ISA
Topology      Linear Bus
Wiring Type   RG58A/U 50ohm coaxial

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                                CABLE TYPE

                   Type                                JP1 - 5

            RG58A/U 50ohm coaxial                Pins 1 & 2 closed

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

                     DEVICE I/O ADDRESS CONFIGURATION

       Address              E17              E18                E19

      300h - 31Fh       Pins 1 & 2       Pins 1 & 2         Pins 2 & 3
                          closed            closed            closed

       260h - 27Fh       Pins 1 & 2       Pins 1 & 2         Pins 1 & 2
                          closed            closed            closed

       280h - 290h       Pins 2 & 3       Pins 1 & 2         Pins 1 & 2
                          closed            closed            closed

       2A0h - 2BFh       Pins 1 & 2       Pins 2 & 3         Pins 1 & 2
                          closed            closed            closed

       2E0h - 2FFh       Pins 2 & 3       Pins 2 & 3         Pins 1 & 2
                          closed            closed            closed

       320h - 33Fh       Pins 2 & 3       Pins 1 & 2         Pins 2 & 3
                          closed            closed            closed

       380h - 39Fh       Pins 1 & 2       Pins 2 & 3         Pins 2 & 3
                          closed            closed            closed

       3E0h - 3FFh       Pins 2 & 3       Pins 2 & 3         Pins 2 & 3
                          closed            closed            closed

       FACTORY CONFIGURED SETTINGS

       Jumper              Setting

         JP6          Pins 2 & 3 closed

         JP7          Pins 1 & 2 closed

         JP8                Closed

         JP9                Closed

        JP10                 Open

                                INTERRUPT SELECT

    IRQ        E9      E10     E20     E21      E22      E23      E24      E25

     IRQ3    Open     Open    Open   Closed   Open     Open     Open     Open

      IRQ4    Open     Open    Open    Open    Closed   Open     Open     Open

      IRQ5    Open     Open    Open    Open    Open     Closed   Open     Open

      IRQ7    Open     Open    Open    Open    Open     Open     Closed   Open

      IRQ9    Open     Open    Open    Open    Open     Open     Open     Closed

      IRQ10   Open    Closed   Open    Open    Open     Open     Open     Open

      IRQ11  Closed    Open    Open    Open    Open     Open     Open     Open

                   OPTIONAL EPROM ADDRESS CONFIGURATION

        Address              E14              E15               E16

     CC000h - CFFFFh     Pins 1 & 2       Pins 2 & 3        Pins 1 & 2
                            closed           closed           closed

      C4000h - C7FFFh     Pins 1 & 2       Pins 1 & 2        Pins 1 & 2
                            closed           closed           closed

      C8000h - CBFFFh     Pins 2 & 3       Pins 1 & 2        Pins 1 & 2
                            closed           closed           closed

      D0000h - D3FFFh     Pins 2 & 3       Pins 2 & 3        Pins 1 & 2
                            closed           closed           closed

      D4000h - D7FFFh     Pins 1 & 2       Pins 1 & 2        Pins 2 & 3
                            closed           closed           closed

      D8000h - DBFFFh     Pins 2 & 3       Pins 1 & 2        Pins 2 & 3
                            closed           closed           closed

      DC000h - DFFFFh     Pins 1 & 2       Pins 2 & 3        Pins 2 & 3
                            closed           closed           closed

         Disabled         Pins 2 & 3       Pins 2 & 3        Pins 2 & 3
                            closed           closed           closed

