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       # ZENITH DATA SYSTEMS
       
          XT LANCARD
       
          NIC Type         Ethernet                                      
          Transfer Rate    10Mbps                                        
          Data Bus         8-bit ISA                                     
          Topology         Linear Bus                                    
          Wiring Type      Broadband Modem via DB-15 port                
          Boot ROM         Available                                     
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                          BOOT ROM                          |
          |------------------------------------------------------------|
          |                 Setting                 |       JP1        |
          |-----------------------------------------+------------------|
          | »           |         Disabled          |       Open       |
          |-------------+---------------------------+------------------|
          |             |          Enabled          |      Closed      |
          |------------------------------------------------------------|
          | Note:The location of the Boot ROM socket may vary on       |
          | different revisions of this card.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |    BASE MEMORY ADDRESS, I/O BASE ADDRESS, AND BOOT ROM     |
          |                          ADDRESS                           |
          |------------------------------------------------------------|
          |   Base Memory    | I/O Address | Boot ROM Address |  JP2   |
          |     Address      |             |                  |        |
          |------------------+-------------+------------------+--------|
          | »   |   D0000h   |    0360h    |      CC000h      | Closed |
          |-----+------------+-------------+------------------+--------|
          |     |   D8000h   |    0368h    |      CE000h      |  Open  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CONFIGURATION MEMORY                    |
          |------------------------------------------------------------|
          |              Setting               |          JP4          |
          |------------------------------------+-----------------------|
          | » |  Configuration memory normal   |         Open          |
          |   |           operation            |                       |
          |---+--------------------------------+-----------------------|
          |   | Configuration memory reset to  | Closed for 30 seconds |
          |   |        factory defaults        |    during power-up    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     INTERRUPT REQUEST                      |
          |------------------------------------------------------------|
          |            IRQ             |              JP5              |
          |----------------------------+-------------------------------|
          | » |           2            |       Pins 1 & 2 Closed       |
          |---+------------------------+-------------------------------|
          |   |           3            |       Pins 2 & 3 Closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |       LED        |  Status  |          Condition           |
          |------------------+----------+------------------------------|
          |       LED1       |    On    |     Modem is bad or not      |
          |                  |          |          connected           |
          |------------------+----------+------------------------------|
          |       LED1       | Blinking |  Network activity detected   |
          |------------------+----------+------------------------------|
          |  LED2 and LED3   |    On    | Self test completed normally |
          |------------------+----------+------------------------------|
          | LED2 and/or LED3 |   Off    |    Self test failed, will    |
          |                  |          |    display error code on     |
          |                  |          |           screen.            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                FACTORY CONFIGURED SETTINGS                 |
          |------------------------------------------------------------|
          |           Jumper           |            Setting            |
          |----------------------------+-------------------------------|
          |            JP3             |       Factory test only       |
          +------------------------------------------------------------+