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       # 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                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                     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 -  |    JP10    |    JP12    |
          |                        |  JP9F   |            |            |
          |------------------------+---------+------------+------------|
          | » |   RG-58A/U 50ohm   |  Open   | Pins 2 & 3 | Pins 2 & 3 |
          |   |      coaxial       |         |   closed   |   closed   |
          |---+--------------------+---------+------------+------------|
          |   |  AUI transceiver   |  Open   | Pins 1 & 2 | Pins 1 & 2 |
          |   |   via 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             |
          +------------------------------------------------------------+