NDC COMMUNICATIONS, INC.

ND4102-E

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      16-bit ISA
Topology      Linear bus
Wiring Type   Unshielded twisted pair

              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

  »         Unshielded twisted pair               Pins 2 & 3 closed

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

                             DIAGNOSTIC LED(S)

       LED               Status                     Condition

       LED1             Blinking            Data is being transmitted

       LED1                Off            Data is not being transmitted

       LED2             Blinking             Data is being received

       LED2                Off             Data is not being received

       LED3                On             Collision detected on network

       LED3                Off          No collisions detected on network

       LED4                On                Card is receiving power

       LED4                Off             Card is not receiving power