LANCAST

ENC-4105

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8-bit ISA
Topology      Star

              Linear bus
Wiring Type   Unshielded twisted pair

              RG-58A/U 50ohm coaxial

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                                 BOOT ROM

                 Setting                                W1

  »               Disabled                             Open

                   Enabled                            Closed

                        BOOT ROM & I/O BASE ADDRESS

   Boot ROM Address      I/O Address           W2                W3

  »       C8000h          300 - 31Fh         Closed            Closed

          CC000h          320 - 33Fh          Open             Closed

          D0000h          340 - 35Fh         Closed             Open

          D4000h          360 - 37Fh          Open              Open

                             INTERRUPT REQUEST

      IRQ            W4            W5             W6             W7

         2          Open          Open           Open          Closed

  »      3         Closed         Open           Open           Open

         4          Open         Closed          Open           Open

         5          Open          Open          Closed          Open

                                CABLE TYPE

             Type                        W8                   W9

  »    RG-58A/U 50ohm coaxial    Pins 1 & 2 closed     Pins 1 & 2 closed

         AUI transceiver via     Pins 2 & 3 closed     Pins 1 & 2 closed
             DB-15 port

       Unshielded twisted pair   Pins 2 & 3 closed     Pins 2 & 3 closed

                            LINK INTEGRITY TEST

                Setting                                 W10

  »                Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

  Note:The link integrity test is only valid when the cable type is
  unshielded twisted pair.

                             DIAGNOSTIC LED(S)

     LED         Color         Status                Condition

    LED1         Green           On             Twisted pair network
                                                 connection is good

    LED1         Green          Off             Twisted pair network
                                                connection is broken

    LED2         Green           On          Data is being transmitted

    LED2          Red            On            Data is being received

    LED2          N/A           Off         Data is not being transmitted
                                                    or received

  Note:LED2 is a two color LED.