INFORMTECH INTERNATIONAL, INC.

IT-NE20/IT-NE20T

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

              RG58A/U 50ohm coaxial

              Unshielded twisted pair
Boot ROM      Available

[Image]

                             INTERRUPT SELECT

     IRQ       JP6/A     JP6/B     JP6/C      JP6/D     JP6/E     JP6/F

  »           Closed      Open      Open      Open      Open       Open

      IRQ3     Open      Closed     Open      Open      Open       Open

      IRQ4     Open       Open     Closed     Open      Open       Open

      IRQ5     Open       Open      Open     Closed     Open       Open

      IRQ6     Open       Open      Open      Open     Closed      Open

      IRQ7     Open       Open      Open      Open      Open      Closed

                             CABLE TYPE SELECT

     LAN Type       JP9/A    JP9/B     JP9/C    JP9/D    JP9/E     JP9/F

  AUI transceiver     All      All      All      All       All      All
  via DB-15 port     open     open     open     open      open     open

   RG58A/U 50ohm    Pins 1   Pins 1    Pins 1   Pins 1   Pins 1    Pins 1
     coaxial         & 2      & 2       & 2      & 2      & 2       & 2

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

                 Note: All Pins designated should be placed in the closed
                 position. IT-NE20 has a BNC connector, IT-NE20T has a
                 RJ11.

                          I/O BASE ADDRESS SELECT

       Address             JP7/A             JP7/B             JP7/C

  »       300h            Closed             Open             Closed

          200h             Open              Open              Open

          240h             Open             Closed             Open

          280h            Closed            Closed             Open

          2A0h             Open              Open             Closed

          320h            Closed             Open              Open

          340h             Open             Closed            Closed

          360h            Closed            Closed            Closed

                                 ROM ADDRESS SELECT

   Address    JP8/A    JP8/B    JP8/C    JP8/D    JP8/E    JP8/F    JP8/G    JP8/H

  »   C8000h   Open     Open    Closed    Open    Open     Open     Open     Open

      C0000h  Closed    Open     Open     Open    Open     Open     Open     Open

      C4000h   Open    Closed    Open     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