DAVID SYSTEMS, INC.

ETHER-T PC/AT ADAPTER

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8/16-bit ISA
Topology      Star
Wiring Type   Shielded/Unshielded twisted pair

              AUI Transceiver via DB-15 port
Boot ROM      Not Available

[Image]

                                CABLE TYPE

                     Type                               JP15-22

  »      Shielded/Unshielded twisted pair          Pins 1 & 2 Closed

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

[Image]

                             DIAGNOSTIC LED(S)

    LED          Color         Status                 Condition

    LED1          Red         Blinking      Collision detected on network

    LED1          Red            On         Too many collisions; possible
                                                   network problem

    LED2         Green           On              Good network cabling
                                                     connection.

    LED2         Green           Off        Bad connection, or a break in
                                                    the cabling.

    LED3        Yellow        Blinking         Data is being received.

    LED4         Green        Blinking       Data is being transmitted.

                             BOOT ROM SETTINGS

   Condition      JP7    JP8   JP9    JP10    JP11   JP12    JP13   JP14

  »   Disabled    2&3    1&2   1&2    2&3     2&3    1&2     2&3     2&3

       Note: Pins designated should be in the closed position. This board
       was designed with a boot ROM socket, but it was never implemented.
       Therefore jumpers JP7 to JP14 must always be set as they are shown
       in this table.

                          I/O BASE ADDRESS

   I/O       JP1       JP2       JP3      JP4       JP5       JP6

   100h      Open     Closed    Open      Open     Open      Open

   110h      Open     Closed    Open      Open     Open      Closed

   120h      Open     Closed    Open      Open     Closed    Open

   130h      Open     Closed    Open      Open     Closed    Closed

   140h      Open     Closed    Open     Closed    Open      Open

   150h      Open     Closed    Open     Closed    Open      Closed

   160h      Open     Closed    Open     Closed    Closed    Open

   170h      Open     Closed    Open     Closed    Closed    Closed

   180h      Open     Closed    Closed    Open     Open      Open

   190h      Open     Closed    Closed    Open     Open      Closed

   1A0h      Open     Closed    Closed    Open     Closed    Open

   1B0h      Open     Closed    Closed    Open     Closed    Closed

   1C0h      Open     Closed    Closed   Closed    Open      Open

   1D0h      Open     Closed    Closed   Closed    Open      Closed

   1E0h      Open     Closed    Closed   Closed    Closed    Open

   1F0h      Open     Closed    Closed   Closed    Closed    Closed

   200h     Closed     Open     Open      Open     Open      Open

   210h     Closed     Open     Open      Open     Open      Closed

   220h     Closed     Open     Open      Open     Closed    Open

   230h     Closed     Open     Open      Open     Closed    Closed

   240h     Closed     Open     Open     Closed    Open      Open

   250h     Closed     Open     Open     Closed    Open      Closed

   260h     Closed     Open     Open     Closed    Closed    Open

   270h     Closed     Open     Open     Closed    Closed    Closed

   280h     Closed     Open     Closed    Open     Open      Open

   290h     Closed     Open     Closed    Open     Open      Closed

   2A0h     Closed     Open     Closed    Open     Closed    Open

   2B0h     Closed     Open     Closed    Open     Closed    Closed

   2C0h     Closed     Open     Closed   Closed    Open      Open

   2D0h     Closed     Open     Closed   Closed    Open      Closed

   2E0h     Closed     Open     Closed   Closed    Closed    Open

   2F0h     Closed     Open     Closed   Closed    Closed    Closed

   300h     Closed    Closed    Open      Open     Open      Open

   310h     Closed    Closed    Open      Open     Open      Closed

   320h     Closed    Closed    Open      Open     Closed    Open

   330h     Closed    Closed    Open      Open     Closed    Closed

   340h     Closed    Closed    Open     Closed    Open      Open

   350h     Closed    Closed    Open     Closed    Open      Closed

   360h     Closed    Closed    Open     Closed    Closed    Open

   370h     Closed    Closed    Open     Closed    Closed    Closed

   380h     Closed    Closed    Closed    Open     Open      Open

   390h     Closed    Closed    Closed    Open     Open      Closed

   3A0h     Closed    Closed    Closed    Open     Closed    Open

   3B0h     Closed    Closed    Closed    Open     Closed    Closed

   3C0h     Closed    Closed    Closed   Closed    Open      Open

   3DOh     Closed    Closed    Closed   Closed    Open      Closed

   3E0h     Closed    Closed    Closed   Closed    Closed    Open

   3F0h     Closed    Closed    Closed   Closed    Closed    Closed