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       # APPARAT, INC.
       
          256K MEMORY BOARD (REV. A)
       
          Card Type              Memory                                  
          Maximum Onboard Memory 256KB DRAM                              
          I/O Options            N/A                                     
          Data Bus               8-bit ISA                               
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Setting                 | Label | Position  |
          |----------------------------------------+-------+-----------|
          | Parity enabled                         | SW1/1 |    Off    |
          |----------------------------------------+-------+-----------|
          | Parity disabled                        | SW1/1 |    On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |-------+-------------+------------+------------+------------|
          | 64KB  | (9) 64K x 1 |    None    |    None    |    None    |
          |-------+-------------+------------+------------+------------|
          | 128KB | (9) 64K x 1 | (9) 64K x  |    None    |    None    |
          |       |             |     1      |            |            |
          |-------+-------------+------------+------------+------------|
          | 192KB | (9) 64K x 1 | (9) 64K x  | (9) 64K x  |    None    |
          |       |             |     1      |     1      |            |
          |-------+-------------+------------+------------+------------|
          | 256KB | (9) 64K x 1 | (9) 64K x  | (9) 64K x  | (9) 64K x  |
          |       |             |     1      |     1      |     1      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          |     Size      |    SW1/2     |    SW1/7     |    SW1/8     |
          |---------------+--------------+--------------+--------------|
          |     64KB      |     Off      |     Off      |     Off      |
          |---------------+--------------+--------------+--------------|
          |     128KB     |     Off      |      On      |      On      |
          |---------------+--------------+--------------+--------------|
          |     192KB     |     Off      |      On      |      On      |
          |---------------+--------------+--------------+--------------|
          |     256KB     |      On      |      On      |      On      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             STARTING MEMORY ADDRESS SELECTION              |
          |------------------------------------------------------------|
          |  Setting   |   SW1/3   |   SW1/4   |   SW1/5   |   SW1/6   |
          |------------+-----------+-----------+-----------+-----------|
          |    0KB     |    Off    |    Off    |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    64KB    |    Off    |    Off    |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   128KB    |    Off    |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   192KB    |    Off    |    Off    |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   256KB    |    On     |    Off    |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   320KB    |    On     |    Off    |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   384KB    |    On     |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   448KB    |    On     |    Off    |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   512KB    |    Off    |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   576KB    |    Off    |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   640KB    |    Off    |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   704KB    |    Off    |    On     |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   768KB    |    On     |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   832KB    |    On     |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   896KB    |    On     |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   960KB    |    On     |    On     |    On     |    On     |
          +------------------------------------------------------------+