
CNET TECHNOLOGY, INC.

CN200E/280E

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

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                                 BOOT ROM

                Setting                                 JP1

                 Disabled                       Pins 1 & 2 Closed

                   Enabled                       Pins 2 & 3 Closed

                                WAIT STATE

                Setting                                JP2

              0 wait states                    Pins 1 & 2 closed

                1 wait state                    Pins 2 & 3 closed

                                         INTERRUPT REQUEST

   IRQ      JP3A     JP3B     JP3C     JP3D    JP3E     JP3F     JP3G     JP3H     JP3I     JP3J

      2/9  Closed    Open     Open     Open    Open     Open     Open     Open     Open     Open

     3     Open    Closed    Open     Open    Open     Open     Open     Open     Open     Open

      4     Open     Open    Closed    Open    Open     Open     Open     Open     Open     Open

      5     Open     Open     Open    Closed   Open     Open     Open     Open     Open     Open

      7     Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open

      10    Open     Open     Open     Open    Open     Closed   Open     Open     Open     Open

      11    Open     Open     Open     Open    Open     Open     Closed   Open     Open     Open

      12    Open     Open     Open     Open    Open     Open     Open     Closed   Open     Open

      14    Open     Open     Open     Open    Open     Open     Open     Open    Closed    Open

      15    Open     Open     Open     Open    Open     Open     Open     Open     Open    Closed

                            ON-BOARD TERMINATOR

                Setting                                JP20

                 Disabled                       Pins 1 & 2 Closed

                   Enabled                       Pins 2 & 3 Closed

  Note:If the card is on either end of a linear bus network segment, the
  onboard terminator may be used instead

                                CABLE TYPE

                   Type                             JP21A - JP21G

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

        AUI transceiver via DB-15 port            Pins 2 & 3 Closed

                             BOOT ROM ADDRESS

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

         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

                             I/O BASE ADDRESS

       Address           SW1/5        SW1/6        SW1/7         SW1/8

         200-2IFh         On            On           On           On

         220-23Fh         On            On           On           Off

         240-25Fh         On            On          Off           On

         280-29Fh         On           Off           On           On

         2A0-2BFh         On           Off           On           Off

         2C0-2DFh         On           Off          Off           On

        300-31Fh         Off           On           On           On

         320-33Fh         Off           On           On           Off

         340-35Fh         Off           On          Off           On

         360-37Fh         Off           On          Off           Off

                         DIAGNOSTIC LED(S)

    LED        Color      Status               Condition

    LED1        Red      Blinking       Data is being received

    LED1        Red        Off        Data is not being received

    LED2       Green        On         Data is being transmitted

    LED2       Green       Off       Data is not being transmitted

