
KATRON TECHNOLOGIES, INC.

ET-200

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

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                           AUI ETHERNET VERSION

                Version                                JP1

                Version 2                      Pins 1 & 2 Closed

                 Version 1                      Pins 2 & 3 Closed

  Note:The ethernet version is dependent on the MAU you are using. There
  should be some indication of the ethernet version on the MAU.

                              SEGMENT LENGTH

             Maximum Length                            JP2

                185 meters                     Pins 1 & 2 Closed

                 300 meters                     Pins 2 & 3 Closed

       Note:Segment length is the total length of cable between the two
       farthest cards on the segment. Each card on the segment must have
       this option set the same.

                            ONBOARD TERMINATOR

                Setting                                JP3

                 Disabled                      Pins 2 & 3 Closed

                   Enabled                      Pins 1 & 2 Closed

      Notes:If the card is on either end of a linear bus network segment,
      the onboard terminator can be used instead of using an external
      terminator.

                            COMPATIBILITY MODE

                Setting                                 JP4

                 Disabled                       Pins 1 & 2 Closed

                   Enabled                       Pins 2 & 3 Closed

  Note:On some systems the data bus timing is not truly IBM PC/AT
  compatible. If the card is not initializing, enabling compatibility
  mode may allow the card to operate properly.

                             INTERRUPT REQUEST

   IRQ      JP5A     JP5B      JP5C     JP5D     JP5E     JP5F     JP5G

      2/9   Open     Open      Open     Open     Open     Open    Closed

     3     Open     Open      Open     Open     Open    Closed    Open

      4     Open     Open      Open     Open    Closed    Open     Open

      5     Open     Open      Open    Closed    Open     Open     Open

      10    Open     Open     Closed    Open     Open     Open     Open

      11    Open     Closed    Open     Open     Open     Open     Open

      12    Closed   Open      Open     Open     Open     Open     Open

                             I/O BASE ADDRESS

    Address          JP6A           JP6B          JP6C           JP6D

        200h         Open           Open          Open        Pins 1 & 2
                                                                closed

        220h         Open           Open        Pins 1 & 2       Open
                                                 closed

        240h         Open        Pins 1 & 2       Open           Open
                                   closed

        260h       Pins 1 & 2       Open          Open           Open
                    closed

       300h         Open           Open          Open        Pins 2 & 3
                                                                closed

        320h         Open           Open        Pins 2 & 3       Open
                                                 closed

        340h         Open        Pins 2 & 3       Open           Open
                                   closed

        360h       Pins 2 & 3       Open          Open           Open
                    closed

              BOOT ROM SIZE

        Size                 JP7A

         8KB          Pins 2 & 3 Closed

        16KB          Pins 1 & 2 Closed

                                 BOOT ROM

                Setting                                JP7B

                 Disabled                       Pins 2 & 3 Closed

                   Enabled                       Pins 1 & 2 Closed

                             BOOT ROM ADDRESS

     Address          JP7C           JP7D          JP7E          JP7F

       C8000h      PIns 1 & 2    PIns 1 & 2    Pins 2 & 3     PIns 1 & 2
                     closed         closed        closed        closed

        CC000h      PIns 1 & 2    PIns 1 & 2    Pins 2 & 3     Pins 2 & 3
                     closed         closed        closed        closed

        D0000h      PIns 1 & 2    Pins 2 & 3    PIns 1 & 2     PIns 1 & 2
                     closed         closed        closed        closed

        D4000h      PIns 1 & 2    Pins 2 & 3    PIns 1 & 2     Pins 2 & 3
                     closed         closed        closed        closed

        D8000h      PIns 1 & 2    Pins 2 & 3    Pins 2 & 3     PIns 1 & 2
                     closed         closed        closed        closed

        DC000h      PIns 1 & 2    Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
                     closed         closed        closed        closed

                                CABLE TYPE

                   Type                              JP8A - JP8H

           RG-58A/U 50ohm coaxial                Pins 2 & 3 closed

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

