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       # GVC TECHNOLOGIES, INC.
       
          16-BIT 10BASE-T
       
          NIC Type         Ethernet                                      
          Transfer Rate    10Mbps                                        
          Data Bus         16-bit ISA                                    
          Topology         Linear Bus/Star                               
          Wiring Type      Unshielded Twisted Pair                       
                                                                         
                           AUI Transceiver via DB-15 port                
          Boot ROM         Available                                     
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                   BOOT ROM CONFIGURATION                   |
          |------------------------------------------------------------|
          |             Setting             |          JP1/A           |
          |---------------------------------+--------------------------|
          |    |          Enabled           |          Closed          |
          |----+----------------------------+--------------------------|
          | »  |          Disabled          |           Open           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     ADDRESS SELECTION                      |
          |------------------------------------------------------------|
          | Base I/O Address | Boot ROM Address |   JP1/B   |  JP1/C   |
          |------------------+------------------+-----------+----------|
          |       300h       |      C800h       |  Closed   |  Closed  |
          |------------------+------------------+-----------+----------|
          |       320h       |      CC00h       |   Open    |  Closed  |
          |------------------+------------------+-----------+----------|
          |       340h       |      D000h       |  Closed   |   Open   |
          |------------------+------------------+-----------+----------|
          |       360h       |      D400h       |   Open    |   Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  WAIT STATE CONFIGURATION                  |
          |------------------------------------------------------------|
          |           Wait states           |          JP1/D           |
          |---------------------------------+--------------------------|
          |    |          Enabled           |          Closed          |
          |----+----------------------------+--------------------------|
          | »  |          Disabled          |           Open           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    INTERRUPT SELECTION                     |
          |------------------------------------------------------------|
          |    IRQ    |   JP1/E    |   JP1/F   |   JP1/G   |   JP1/H   |
          |-----------+------------+-----------+-----------+-----------|
          | » |   3   |   Closed   |   Open    |   Open    |   Open    |
          |---+-------+------------+-----------+-----------+-----------|
          |   |   4   |    Open    |  Closed   |   Open    |   Open    |
          |---+-------+------------+-----------+-----------+-----------|
          |   |   5   |    Open    |   Open    |  Closed   |   Open    |
          |---+-------+------------+-----------+-----------+-----------|
          |   |   9   |    Open    |   Open    |   Open    |  Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CABLE TYPE SELECTION                    |
          |------------------------------------------------------------|
          |             Cable Type             |         JP2/A         |
          |------------------------------------+-----------------------|
          | » |    Unshielded Twisted Pair     |   Pins 2 & 3 closed   |
          |---+--------------------------------+-----------------------|
          |   | AUI Transceiver via DB-15 port |   Pins 1 & 2 closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  LINK TEST CONFIGURATION                   |
          |------------------------------------------------------------|
          |          Setting           |             JP2/B             |
          |----------------------------+-------------------------------|
          | » |        Enabled         |       Pins 1 & 2 closed       |
          |---+------------------------+-------------------------------|
          |   |        Disabled        |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          | LED  | Color  | Status |             Condition             |
          |------+--------+--------+-----------------------------------|
          | LED1 | Yellow |   On   |   Data is not being transmitted   |
          |------+--------+--------+-----------------------------------|
          | LED1 | Yellow |  Off   |     Data is being transmitted     |
          |------+--------+--------+-----------------------------------|
          | LED2 |  Red   |   On   |    Data is not being received     |
          |------+--------+--------+-----------------------------------|
          | LED2 |  Red   |  Off   |      Data is being received       |
          |------+--------+--------+-----------------------------------|
          | LED3 | Green  |   On   |  10Base-T network connection is   |
          |      |        |        |               good                |
          |------+--------+--------+-----------------------------------|
          | LED3 | Green  |  Off   |  10Base-T network connection is   |
          |      |        |        |    broken or JP2/B is disabled    |
          |------+--------+--------+-----------------------------------|
          | LED4 |  Red   |   On   |       Polarity is reversed        |
          |------+--------+--------+-----------------------------------|
          | LED4 |  Red   |  Off   |        Polarity is normal         |
          +------------------------------------------------------------+