EDIMAX COMPUTER COMPANY

2000A

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

              Linear Bus
Wiring Type   RG-58A/U 50ohm coaxial

              Unshielded twisted pair

              AUI transceiver via DB-15 port
Boot ROM      Available

[Image]

                            COMPATIBILITY MODE

                Setting                                 JP1

  »               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 the compatibility
  mode may allow the card to operate properly

                                            INTERRUPT SETTINGS

   IRQ     JP2A     JP2B     JP2C     JP2D    JP2E     JP2F     JP2G     JP2H     JP2I     JP2J     JP2K

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

  »   3    Open     Open     Open     Open    Open     Open     Open     Open     Open     Open    Closed

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

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

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

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

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

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

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

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

      15  Closed    Open     Open     Open    Open     Open     Open     Open     Open     Open     Open

                                 BOOT ROM

                 Setting                                JP3

  »               Disabled                             Open

                   Enabled                            Closed

                             I/O BASE ADDRESS

          Address                   JP2L                    JP2M

  »          300h                  Closed                  Closed

             320h                  Closed                   Open

             340h                   Open                   Closed

             360h                   Open                    Open

                             BOOT ROM ADDRESS

      Address          JP4A          JP4B          JP4C          JP4D

        C0000h        Closed        Closed        Closed        Closed

        C4000h        Closed        Closed        Closed         Open

  »     C8000h        Closed        Closed         Open         Closed

        CC000h        Closed        Closed         Open          Open

        D0000h        Closed         Open         Closed        Closed

        D4000h        Closed         Open         Closed         Open

        D8000h        Closed         Open          Open         Closed

        DC000h        Closed         Open          Open          Open

                               AUTO-POLARITY

               Setting                                JP5

               Enabled                         Pins 1 & 2 Closed

              Disabled                         Pins 2 & 3 Closed

  Note:When disabled, if a reversed polarity signal occurs the card may
  be damaged.

                      SIGNAL QUALITY ERROR (SQE) TEST

               Setting                                JP6

               Enabled                         Pins 1 & 2 Closed

              Disabled                         Pins 2 & 3 Closed

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

                              SEGMENT LENGTH

             Maximum Length                            JP7

  »              185 meters                     Pins 2 & 3 closed

                 300 meters                     Pins 1 & 2 closed

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

                            LINK INTEGRITY TEST

                Setting                                 JP8

  »                Enabled                       Pins 1 & 2 Closed

                  Disabled                       Pins 2 & 3 Closed

  Note:The link integrity test is only valid when the cable type is
  unshielded twisted pair.

                                CABLE TYPE

              Type                 JP9A-JP9F        JP10         JP12

  »    RG-58A/U 50ohm coaxial         Open       Pins 2 & 3    Pins 1 & 2
                                                   Closed       Closed

      AUI transceiver via DB-15       Open       Pins 1 & 2    Pins 2 & 3
                port                               Closed       Closed

         Shielded/Unshielded         Closed      Pins 2 & 3    Pins 2 & 3
            twisted pair                           Closed       Closed

                             DIAGNOSTIC LED(S)

     LED          Color         Status                Condition

    LED1         Yellow           On          A reversed twisted pair is
                                                detected and corrected

    LED1         Yellow           Off              Normal operation

    LED2          Green           On               Normal operation

    LED2          Green           Off         A reversed twisted pair is
                                                detected and corrected