AMERICAN RESEARCH CORPORATION

PCN-001

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8-bit ISA
Topology      Linear bus
Wiring Type   RG58A/U 50ohm coaxial

              DIX transceiver via DB-15 port
Boot ROM      Available

[Image]

                             I/O BASE ADDRESS

    Address       SW1/1       SW1/2       SW1/3       SW1/4       SW1/5

        200h       Off          On         On          On          On

        220h       Off          On         On          On          Off

        240h       Off          On         On          Off         On

        260h       Off          On         On          Off         Off

        280h       Off          On         Off         On          On

        2A0h       Off          On         Off         On          Off

        2C0h       Off          On         Off         Off         On

        2E0h       Off          On         Off         Off         Off

  »     300h       Off         Off         On          On          On

        320h       Off         Off         On          On          Off

        340h       Off         Off         On          Off         On

        360h       Off         Off         On          Off         Off

        380h       Off         Off         Off         On          On

        3A0h       Off         Off         Off         On          Off

        3C0h       Off         Off         Off         Off         On

        3E0h       Off         Off         Off         Off         Off

                                 BOOT ROM

                 Setting                               SW1/6

  »                Disabled                             Off

                   Enabled                               On

                             BOOT ROM ADDRESS

      Address          SW1/7        SW1/8         SW1/9         SW1/10

         C0000h         On            On           On             On

         C4000h         On            On           On            Off

         C8000h         On            On           Off            On

         CC000h         On            On           Off           Off

         D0000h         On           Off           On             On

         D4000h         On           Off           On            Off

         D8000h         On           Off           Off            On

  »      DC000h         On           Off           Off           Off

         E0000h         Off           On           On             On

         E4000h         Off           On           On            Off

         E8000h         Off           On           Off            On

         EC000h         Off           On           Off           Off

         F0000h         Off          Off           On             On

         F4000h         Off          Off           On            Off

         F8000h         Off          Off           Off            On

         FC000h         Off          Off           Off           Off

                             INTERRUPT REQUEST

      IRQ           JP1A          JP1B           JP1C           JP1D

         2         Closed         Open           Open           Open

  »      3          Open         Closed          Open           Open

         4          Open          Open          Closed          Open

         5          Open          Open           Open          Closed

                                DMA CHANNEL

     Channel          JP1F          JP1F          JP1H           JP1I

  »      DMA1        Closed         Open         Closed          Open

         DMA3         Open         Closed         Open          Closed

                                CABLE TYPE

                   Type                              JP2A - JP2F

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

        DIX transceiver via DB-15 port            Pins 2 & 3 closed

  FACTORY CONFIGURED SETTINGS

     Jumper         Setting

      JP1E            Open