CNET TECHNOLOGY, INC.

CN650E

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      16-bit ISA
Topology      Star

              Linear Bus
Wiring Type   Unshielded twisted pair

              RG-58/U 93ohm 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

                                CABLE TYPE

             Type                       JP16             JP21A - JP21G

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

       Unshielded wisted pair    pins 2 & 3 closed     pins 2 & 3 closed

         AUI transceiver via     pins 1 & 2 closed     pins 2 & 3 closed
             DB-15 port

                            LINK INTEGRITY TEST

               Setting                                JP31

               Enabled                         Pins 1 & 2 Closed

               Disabled                        Pins 2 & 3 Closed

       Note:Link Integrity is only used with 10Base-T wiring. When using
       other than 10BaseT, the test should be disabled.

                            ONBOARD 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 of

                             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

[Image]

                             DIAGNOSTIC LED(S)

    LED         Color          Status                 Condition

     1          Green            On              Twisted pair network
                                                 connection is good

     1          Green           Off              Twisted pair network
                                                connection is broken

     2           Red          Blinking         Data is being received

     2           Red            Off          Data is not being received