
BLACK BOX CORPORATION

CONNEX 205, LE1031C

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8/16-bit ISA
Topology      Linear Bus
Wiring Type   RG-58A/U 50ohm coaxial

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                                ONBOARD RAM

                 Size                                  JP1

                  256KB                              Closed

                   512KB                               Open

                      SIGNAL QUALITY ERROR (SQE) TEST

                 Setting                                JP2

                 Disabled                             Open

                   Enabled                            Closed

  Note:Signal Quality Error (SQE) is a test of the collision circuitry
  and path.

                    CRS (CARRIER SENSE) ENABLE/DISABLE

                   CRS                                  JP3

                  Enabled                             Open

                  Disabled                            Closed

  Note: The manufacturer recommends that the CRS never be disabled.

                                            INTERRUPT SETTINGS

   IRQ     JP10     JP11     JP12     JP13    JP14     JP15     JP34     JP35     JP36     JP37     JP38

     2   Closed    Open     Open     Open    Open     Open     Open     Open     Open     Open     Open

      3    Open    Closed    Open     Open    Open     Open     Open     Open     Open     Open     Open

      4    Open     Open    Closed    Open    Open     Open     Open     Open     Open     Open     Open

      5    Open     Open     Open    Closed   Open     Open     Open     Open     Open     Open     Open

      6    Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open     Open

      7    Open     Open     Open     Open    Open     Closed   Open     Open     Open     Open     Open

      10   Open     Open     Open     Open    Open     Open     Open     Open     Open     Open    Closed

      11   Open     Open     Open     Open    Open     Open     Open     Open     Open    Closed    Open

      12   Open     Open     Open     Open    Open     Open     Open     Open    Closed    Open     Open

      13   Open     Open     Open     Open    Open     Open     Open     Closed   Open     Open     Open

      14   Open     Open     Open     Open    Open     Open     Closed   Open     Open     Open     Open

                                  BOOT ROM ADDRESS

   Address      J16      J17      JP18     JP19    JP20     JP21     JP22     JP23

     Disable   Open     Open     Open     Open    Open     Open     Open     Open

      C0000h   Closed    Open     Open     Open    Open     Open     Open     Open

      C4000h    Open    Closed    Open     Open    Open     Open     Open     Open

      C8000h    Open     Open    Closed    Open    Open     Open     Open     Open

      CC000h    Open     Open     Open    Closed   Open     Open     Open     Open

      D0000h    Open     Open     Open     Open    Closed   Open     Open     Open

      D4000h    Open     Open     Open     Open    Open     Closed   Open     Open

      D8000h    Open     Open     Open     Open    Open     Open     Closed   Open

      DC000h    Open     Open     Open     Open    Open     Open     Open     Closed

                             I/O BASE ADDRESS

        Address Block                  JP24                  JP25

          300h, 302-304h              Closed                Closed

         310h, 312-314h               Open                 Closed

          320h, 322-324h              Closed                 Open

          330h, 332-334h               Open                  Open

                               DATA BUS SIZE

                   Size                                 JP33

            Automatic selection                       Closed

               Force 8 Bit mode                         Open

  Note:When in automatic mode, the card will sense the size of the
  expansion slot in which it is installed.

                                CABLE TYPE

                   Type                                 SW1/1

            RG-58A/U 50ohm coaxial                      Off

         AUI transceiver via DB-15 port                   On

