BROADTECH INTERNATIONAL COMPANY

8-BIT ETHERNET

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8-bit ISA
Topology      Linear Bus, Star
Wiring Type   DIX transceiver via DB-15 port

              RG58A/U 50ohm coaxial
Boot ROM      Available

[Image]

                        BASE MEMORY ADDRESS SELECT

       Address              JP2/C             JP2/D            JP2/E

  »    C800h - CBFFh        Closed             Open            Closed

       C000h - C3FFh        Closed            Closed           Closed

       C400h - C7FFh         Open             Closed           Closed

       CC00h - CFFFh         Open              Open            Closed

       D000h - D3FFh        Closed            Closed            Open

       D400h - D7FFh         Open             Closed            Open

       D800h - DBFFh        Closed             Open             Open

       DC00h - DFFFh         Open              Open             Open

                                 BOOT ROM

                 Setting                               JP2/F

  »                Disabled                             Open

                   Enabled                             Closed

                                CABLE TYPE

    Type      JP3/A    JP3/B    JP3/C    JP3/D   JP3/E    JP3/F    JP3/G

  »   Thin    Pins 1   Pins 1   Pins 1   Pins 1  Pins 1   Pins 1   Pins 1
               & 2      & 2      & 2      & 2     & 2      & 2      & 2

      Thick   Pins 2   Pins 2   Pins 2   Pins 2  Pins 2   Pins 2   Pins 2
               & 3      & 3      & 3      & 3     & 3      & 3      & 3

  Note: All Pins designated should be in the closed position.

                             INTERRUPT SELECT

       IRQ           JP1/A          JP1/B         JP1/C          JP1/D

  »      IRQ3         Open         Closed          Open          Open

         IRQ2        Closed         Open           Open          Open

         IRQ4         Open          Open          Closed         Open

         IRQ5         Open          Open           Open         Closed

                            I/O ADDRESS SELECT

          Address                    JP2/A                  JP2/B

  »       300h - 31Fh               Closed                  Closed

          320h - 33Fh                Open                   Closed

          340h - 35Fh               Closed                   Open

          360h - 37Fh                Open                    Open