NDC COMMUNICATIONS, INC.

ND4112-E

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      16-bit ISA
Topology      Linear bus
Wiring Type   RG-58A/U 50ohm coaxial

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                            COMPATIBILITY MODE

                Setting                                 JP1

  »               Disabled                       Pins 2 & 3 closed

                   Enabled                       Pins 1 & 2 closed

       Note:On some systems, the data bus timing is not fully IBM PC/AT
       compatible (including some systems that use the Chips and
       Technologies chipset). If the card is not initializing, enabling
       the compatibility mode may allow the card to operate normally.

                             I/O BASE ADDRESS

       Address              JP2A              JP2B             JP2C

        200 - 21Fh          Open             Closed           Closed

        220 - 23Fh          Open             Closed            Open

        240 - 25Fh          Open              Open            Closed

        260 - 27Fh          Open              Open             Open

  »     300 - 31Fh         Closed            Closed           Closed

        320 - 33Fh         Closed            Closed            Open

        340 - 35Fh         Closed             Open            Closed

        360 - 37Fh         Closed             Open             Open

                             INTERRUPT REQUEST

    IRQ        JP3A      JP3B      JP3C       JP3D      JP3E       JP3F

      2/9      Open      Open      Open       Open      Open      Closed

  »    3      Closed     Open      Open       Open      Open       Open

       4       Open     Closed     Open       Open      Open       Open

       5       Open      Open     Closed      Open      Open       Open

       6       Open      Open      Open      Closed     Open       Open

       7       Open      Open      Open       Open     Closed      Open

                             BOOT ROM ADDRESS

       Address              JP4A              JP4B             JP4C

          C000h            Closed            Closed           Closed

          C400h            Closed            Closed            Open

          C800h            Closed             Open            Closed

          CC00h            Closed             Open             Open

  »       D000h             Open             Closed           Closed

          D400h             Open             Closed            Open

          D800h             Open              Open            Closed

          DC00h             Open              Open             Open

                                 BOOT ROM

                Setting                                 JP5

  »               Disabled                       Pins 2 & 3 closed

                   Enabled                       Pins 1 & 2 closed

                                CABLE TYPE

                   Type                               JP6-JP11

  »         RG-58A/U 50ohm coaxial               Pins 2 & 3 closed

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