EDIMAX COMPUTER COMPANY

2000A V2.4

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

              Linear Bus
Wiring Type   Unshielded twisted pair

              RG-58A/U 50ohm coaxial

              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 function properly

                                           INTERRUPT SETTINGS

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

  2/9   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

                             I/O BASE ADDRESS

          Address                   JP2L                    JP2M

  »          300h                  Closed                  Closed

             320h                  Closed                   Open

             340h                   Open                   Closed

             360h                   Open                    Open

                                 BOOT ROM

                 Setting                                JP3

  »               Disabled                             Open

                   Enabled                            Closed

                             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

                      SIGNAL QUALITY ERROR (SQE) TEST

                Setting                                 JP5

  »                Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

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

  Link integrity must be enabled for SQE to be enabled.

                            CABLE LENGTH SELECT

                 Setting                                JP7

  »               185meters                      Pins 1 & 2 closed

                  305meters                      Pins 2 & 3 closed

  Note: All cards on the network segment must have this function set the
  same.

  Link integrity must be enabled to select long cable length.

                              LINK INTEGRITY

                Setting                                 JP8

  »                Enabled                       Pins 2 & 3 closed

                  Disabled                       Pins 1 & 2 closed

  Note:If this option is disabled, SQE is also disabled and Cable Length
  is set to 185 meters

                                CABLE TYPE

            Type               JP9A - JP9F       JP10           JP12

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

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

        Unshielded twisted       Closed       Pins 2 & 3      Pins 1 & 2
               pair                             closed         closed

                               AUTOPOLARITY

                Setting                                JP14

  »                Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

  Note: When disabled, if the network wire polarities are reversed, the
  card will be damaged.

  FACTORY CONFIGURED SETTINGS

     Jumper         Setting

      JP6            Unused

                  CONNECTORS

        Setting               Location

  External power LED.           JP11

                             DIAGNOSTIC LED(S)

     LED          Color         Status                Condition

    LED1         Yellow          Off              Normal operation

    LED1         Yellow           On          A reversed twisted pair is
                                               detected and corrected

    LED2          Green           On             Twisted pair network
                                                 connection is good

    LED2          Green          Off             Twisted pair network
                                                connection is broken