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       # LANCAST
       
          ENC-4102
       
          NIC Type         Ethernet                                      
          Transfer Rate    10Mbps                                        
          Data Bus         16-bit ISA                                    
          Topology         Linear bus                                    
          Wiring Type      RG-58A/U 50ohm coaxial                        
                                                                         
                           AUI transceiver via DB-15 port                
          Boot ROM         Available                                     
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                      I/O BASE ADDRESS                      |
          |------------------------------------------------------------|
          |        Address         |       JP1       |       JP2       |
          |------------------------+-----------------+-----------------|
          | » |     300 - 31Fh     |     Closed      |     Closed      |
          |---+--------------------+-----------------+-----------------|
          |   |     320 - 33Fh     |      Open       |     Closed      |
          |---+--------------------+-----------------+-----------------|
          |   |     340 - 35Fh     |     Closed      |      Open       |
          |---+--------------------+-----------------+-----------------|
          |   |     360 - 37Fh     |      Open       |      Open       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      BOOT ROM ADDRESS                      |
          |------------------------------------------------------------|
          |    Base Address    |     JP3     |    JP4     |    JP5     |
          |--------------------+-------------+------------+------------|
          |   | C0000 - C3FFFh |   Closed    |   Closed   |   Closed   |
          |---+----------------+-------------+------------+------------|
          |   | C4000 - C7FFFh |    Open     |   Closed   |   Closed   |
          |---+----------------+-------------+------------+------------|
          | » | C8000 - CBFFFh |   Closed    |    Open    |   Closed   |
          |---+----------------+-------------+------------+------------|
          |   | CC000 - CFFFFh |    Open     |    Open    |   Closed   |
          |---+----------------+-------------+------------+------------|
          |   | D0000 - D3FFFh |   Closed    |   Closed   |    Open    |
          |---+----------------+-------------+------------+------------|
          |   | D4000 - D7FFFh |    Open     |   Closed   |    Open    |
          |---+----------------+-------------+------------+------------|
          |   | D8000 - DBFFFh |   Closed    |    Open    |    Open    |
          |---+----------------+-------------+------------+------------|
          |   | DC000 - DFFFFh |    Open     |    Open    |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          BOOT ROM                          |
          |------------------------------------------------------------|
          |             Setting             |           JP6            |
          |---------------------------------+--------------------------|
          | » |          Disabled           |           Open           |
          |---+-----------------------------+--------------------------|
          |   |           Enabled           |          Closed          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CABLE TYPE                         |
          |------------------------------------------------------------|
          |                Type                |      JP7A - JP7G      |
          |------------------------------------+-----------------------|
          | » |     RG-58A/U 50ohm coaxial     |   Pins 1 & 2 closed   |
          |---+--------------------------------+-----------------------|
          |   | AUI transceiver via DB-15 port |   Pins 2 & 3 closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     INTERRUPT REQUEST                      |
          |------------------------------------------------------------|
          |    IRQ     |   JP8A    |   JP8B    |   JP8C    |   JP8D    |
          |------------+-----------+-----------+-----------+-----------|
          |   |  2/9   |  Closed   |   Open    |   Open    |   Open    |
          |---+--------+-----------+-----------+-----------+-----------|
          | » |   3    |   Open    |  Closed   |   Open    |   Open    |
          |---+--------+-----------+-----------+-----------+-----------|
          |   |   4    |   Open    |   Open    |  Closed   |   Open    |
          |---+--------+-----------+-----------+-----------+-----------|
          |   |   5    |   Open    |   Open    |   Open    |  Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     COMPATIBILITY MODE                     |
          |------------------------------------------------------------|
          |            Setting             |            JP9            |
          |--------------------------------+---------------------------|
          | »          |     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 compatibility mode may allow the card to operate  |
          | properly.                                                  |
          +------------------------------------------------------------+