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       # AST RESEARCH, INC.
       
          AST-RSN (202075-001)
       
          NIC Type         RSN NET                                       
          Transfer Rate    5Mbps                                         
          Data Bus         8-bit ISA                                     
          Topology         Linear bus                                    
          Wiring Type      RG-59 coaxial                                 
          Boot ROM         Not available                                 
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                     INTERRUPT REQUEST                      |
          |------------------------------------------------------------|
          |        IRQ         |       SW1/1       |       SW1/2       |
          |--------------------+-------------------+-------------------|
          |   |       2        |        On         |        On         |
          |---+----------------+-------------------+-------------------|
          | » |       3        |        Off        |        On         |
          |---+----------------+-------------------+-------------------|
          |   |       4        |        On         |        Off        |
          |---+----------------+-------------------+-------------------|
          |   |       5        |        Off        |        Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SHARED MEMORY ADDDRESS                   |
          |------------------------------------------------------------|
          |      Address       |  SW1/5  |  SW1/6  |  SW1/7  |  SW1/8  |
          |--------------------+---------+---------+---------+---------|
          |   | C0000 - C3FFFh |   On    |   On    |   On    |   On    |
          |---+----------------+---------+---------+---------+---------|
          |   | C4000 - C7FFFh |   Off   |   On    |   On    |   On    |
          |---+----------------+---------+---------+---------+---------|
          |   | C8000 - CBFFFh |   On    |   Off   |   On    |   On    |
          |---+----------------+---------+---------+---------+---------|
          | » | CC000 - CFFFFh |   Off   |   Off   |   On    |   On    |
          |---+----------------+---------+---------+---------+---------|
          |   | D0000 - D3FFFh |   On    |   On    |   Off   |   On    |
          |---+----------------+---------+---------+---------+---------|
          |   | D4000 - D7FFFh |   Off   |   On    |   Off   |   On    |
          |---+----------------+---------+---------+---------+---------|
          |   | D8000 - DBFFFh |   On    |   Off   |   Off   |   On    |
          |---+----------------+---------+---------+---------+---------|
          |   | DC000 - DFFFFh |   Off   |   Off   |   Off   |   On    |
          |---+----------------+---------+---------+---------+---------|
          |   | E0000 - E3FFFh |   On    |   On    |   On    |   Off   |
          |---+----------------+---------+---------+---------+---------|
          |   | E4000 - E7FFFh |   Off   |   On    |   On    |   Off   |
          |---+----------------+---------+---------+---------+---------|
          |   | E8000 - EBFFFh |   On    |   Off   |   On    |   Off   |
          |---+----------------+---------+---------+---------+---------|
          |   | EC000 - EFFFFh |   Off   |   Off   |   On    |   Off   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                FACTORY CONFIGURED SETTINGS                 |
          |------------------------------------------------------------|
          |            Jumper             |          Setting           |
          |-------------------------------+----------------------------|
          |              JP3              |           Closed           |
          |-------------------------------+----------------------------|
          |              JP4              |            Open            |
          |-------------------------------+----------------------------|
          |     SW1/3 (Factory Test)      |             On             |
          |-------------------------------+----------------------------|
          |     SW1/4 (Factory Test)      |             On             |
          +------------------------------------------------------------+