3COM CORPORATION

ETHERLINK II (3C503; ASSY.#2227)

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8-bit ISA
Topology      Linear Bus
Wiring Type   RG-58A/U 50ohm coaxial

              DIX transceiver via DB-15 port
Boot ROM      Available

[Image]

                        BOOT ROM ADDRESS SELECTION

     Address          JP1        JP2        JP3         JP4        JP5

  »    Disabled     Closed      Open        Open       Open        Open

        C8000h       Open       Open        Open       Open       Closed

        CC000h       Open       Open        Open      Closed       Open

        D8000h       Open       Open       Closed      Open        Open

        DC000h       Open      Closed       Open       Open        Open

                           I/O BASE ADDRESS SELECTION

  Address    JP6     JP7      JP8      JP9      JP10    JP11     JP12     JP13

   250h     Open     Open     Open     Open    Closed   Open     Open     Open

   280h     Open     Open     Open     Open     Open    Closed   Open     Open

   2A0h     Open     Open     Open     Open     Open    Open     Closed   Open

   2E0h     Open     Open     Open     Open     Open    Open     Open     Closed

   300h     Closed   Open     Open     Open     Open    Open     Open     Open

   310h     Open    Closed    Open     Open     Open    Open     Open     Open

   330h     Open     Open    Closed    Open     Open    Open     Open     Open

   350h     Open     Open     Open    Closed    Open    Open     Open     Open

                       MISCELLANEOUS TECHNICAL NOTES

  The interrupt request and cable type are set using the software that
  comes with the card.