ALTA RESEARCH CORPORATION

ETHERCOMBO-16+T/C/A

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      16-bit ISA
Topology      Star
Wiring Type   AUI transceiver via DB-15 port

              Shielded/Unshielded twisted pair

              RG58A/U 50ohm coaxial
Boot ROM      Available

[Image]

                                 BOOT ROM

                 Setting                                J7

  »               Disabled                             Open

                   Enabled                            Closed

                             BOOT ROM ADDRESS

     Boot ROM Address                 J5                     J6

  »          C800h                   Open                   Open

             CC00h                  Closed                  Open

             D000h                   Open                  Closed

             D400h                  Closed                 Closed

                                 BUS WIDTH

                  Bus                                  J15

  »                16-bit                              Open

                   8-bit                              Closed

                             BUS COMPATIBILITY

                   CHRDY                                 J16

  »    From Strobes (Motherboard uses VLSI               Open
                    chipset)

        From BALE (Motherboard uses C & T               Closed
                    chipset)

                                CABLE TYPE

               Type                        J2                  J3

  »      RG58A/U 50ohm coaxial           Closed               Open

       AUI transceiver via DB-15          Open               Closed
                 port

        Unshielded twisted pair           Open                Open

        Unshielded twisted pair          Closed              Closed
             extended mode

                           CONFIGURATION SETTING

              Configuration                              J1

  »              Via Software                          Closed

                 Via Hardware                           Open

                             I/O BASE ADDRESS

       Address               J9               J10               J11

  »    300h - 31Fh          Open              Open             Open

       240h - 25Fh          Open             Closed            Open

       280h - 29Fh         Closed            Closed            Open

       2C0h - 2DFh          Open              Open            Closed

       320h - 33Fh         Closed             Open            Closed

       340h - 35Fh          Open             Closed           Closed

       360h - 37Fh         Closed            Closed           Closed

                             INTERRUPT REQUEST

        IRQ                J12               J13                J14

  »         3              Open              Open              Open

           2/9            Closed            Closed             Open

            4             Closed             Open              Open

            5              Open             Closed             Open

           10              Open              Open             Closed

           11             Closed             Open             Closed

           12              Open             Closed            Closed

           15             Closed            Closed            Closed

                           READ ACCESS SELECTION

                Setting                                 J6

  »               I/O port                             Open

                Shared memory                         Closed

            Note:I/O port must be selected when using the Novell NE2000
            driver. Shared memory must be used when using WD/SMC8013.
            Boot PROMS will not operate in the Shared Memory mode.

                             DIAGNOSTIC LED(S)

     LED         Color         Status                Condition

    LED1         Green           On        Twisted pair network is valid

    LED1         Green          Off             Twisted pair network
                                                connection is broken

    LED2          Red            On         Data is being transmitted or
                                                      received

    LED2          Red           Off         Data is not being transmitted
                                                    or received

    LED3          Red            On        Collision detected on network

    LED3          Red           Off           No collisions detected on
                                                      network

    LED4          Red            On        Twisted pair polarity reversed
                                                   and corrected

    LED4          Red           Off        Twisted pair polarity correct