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       # JC INFORMATION SYSTEMS CORPORATION
       
          ELS II (ASSY#1017-200-01)
       
          NIC Type         Ethernet                                      
          Transfer Rate    10Mbps                                        
          Data Bus         16-bit ISA                                    
          Topology         Linear bus                                    
          Wiring Type      RG58A/U 50ohm coaxial                         
                                                                         
                           AUI transceiver via DB-15 port                
          Boot ROM         Available                                     
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                         CABLE TYPE                         |
          |------------------------------------------------------------|
          |                Type                |      JP1A - JP1F      |
          |------------------------------------+-----------------------|
          | » |     RG58A/U 50ohm coaxial      |        Closed         |
          |---+--------------------------------+-----------------------|
          |   | AUI transceiver via DB-15 port |         Open          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          I/O BASE ADDRESS & BOOT ROM ADDRESS           |
          |------------------------------------------------------------|
          |  I/OAddress   | Boot ROM Address |    JP4A    |    JP4B    |
          |---------------+------------------+------------+------------|
          |     300h      |      C8000h      |   Closed   |   Closed   |
          |---------------+------------------+------------+------------|
          |     320h      |      CC000h      |    Open    |   Closed   |
          |---------------+------------------+------------+------------|
          |     340h      |      D0000h      |   Closed   |    Open    |
          |---------------+------------------+------------+------------|
          |     360h      |      D4000h      |    Open    |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          BOOT ROM                          |
          |------------------------------------------------------------|
          |             Setting             |           JP4C           |
          |---------------------------------+--------------------------|
          | » |          Disabled           |           Open           |
          |---+-----------------------------+--------------------------|
          |   |           Enabled           |          Closed          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     INTERRUPT REQUEST                      |
          |------------------------------------------------------------|
          |    IRQ     |   JP5A    |   JP5B    |   JP5C    |   JP5D    |
          |------------+-----------+-----------+-----------+-----------|
          | » |  2/9   |  Closed   |   Open    |   Open    |   Open    |
          |---+--------+-----------+-----------+-----------+-----------|
          |   |   3    |   Open    |  Closed   |   Open    |   Open    |
          |---+--------+-----------+-----------+-----------+-----------|
          |   |   4    |   Open    |   Open    |  Closed   |   Open    |
          |---+--------+-----------+-----------+-----------+-----------|
          |   |   5    |   Open    |   Open    |   Open    |  Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     ONBOARD TERMINATOR                     |
          |------------------------------------------------------------|
          |                Setting                |        JP6         |
          |---------------------------------------+--------------------|
          | »            |        Disabled        |        Open        |
          |--------------+------------------------+--------------------|
          |              |        Enabled         |       Closed       |
          |------------------------------------------------------------|
          | Note:If the card is on either end of the network segment   |
          | the onboard terminator can be used instead of using an     |
          | external terminator (JP6 closed).                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     COMPATIBILITY MODE                     |
          |------------------------------------------------------------|
          |                Setting                 |        W16        |
          |----------------------------------------+-------------------|
          | »            |        Disabled         |      Closed       |
          |--------------+-------------------------+-------------------|
          |              |         Enabled         |       Open        |
          |------------------------------------------------------------|
          | Note:If the system in which the card is to be installed    |
          | uses a C & T CS8220 chipset compatibility mode must be     |
          | enabled (W16 open).                                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                FACTORY CONFIGURED SETTINGS                 |
          |------------------------------------------------------------|
          |            Jumper            |           Setting           |
          |------------------------------+-----------------------------|
          |             JP2              |           Unused            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |   Color   |   Status   |             Condition             |
          |-----------+------------+-----------------------------------|
          |   Green   |     On     |   Data is being transmitted or    |
          |           |            |             received              |
          |-----------+------------+-----------------------------------|
          |   Green   |    Off     | Data is not being transmitted or  |
          |           |            |             received              |
          |-----------+------------+-----------------------------------|
          |    Red    |    Off     |    Network connection is good     |
          |-----------+------------+-----------------------------------|
          |    Red    |     On     |   Network connection is broken    |
          |------------------------------------------------------------|
          | Note:The location of the diagnostic LEDs may vary on       |
          | different revisions of this card.                          |
          +------------------------------------------------------------+