APPARAT, INC.
=============

   256K MEMORY BOARD (REV. C)

   Card Type              Memory                                  
   Maximum Onboard Memory 256KB DRAM                              
   I/O Options            N/A                                     
   Data Bus               8-bit ISA                               

<gopher://bitreich.org/I/th99/i/A-B/52858-1.png>
   

   +------------------------------------------------------------+
   |                     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    |   SWA/5   |   SWA/6   |   SWA/7   |   SWA/8   |
   |------------+-----------+-----------+-----------+-----------|
   |    64KB    |    On     |    Off    |    Off    |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |   128KB    |    On     |    On     |    Off    |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |   192KB    |    On     |    On     |    On     |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |   256KB    |    On     |    On     |    On     |    On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             STARTING MEMORY ADDRESS SELECTION              |
   |------------------------------------------------------------|
   |  Setting   |   SWA/1   |   SWA/2   |   SWA/3   |   SWA/4   |
   |------------+-----------+-----------+-----------+-----------|
   |    0KB     |    Off    |    Off    |    Off    |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |    64KB    |    Off    |    Off    |    Off    |    On     |
   |------------+-----------+-----------+-----------+-----------|
   |   128KB    |    Off    |    Off    |    On     |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |   192KB    |    Off    |    Off    |    On     |    On     |
   |------------+-----------+-----------+-----------+-----------|
   |   256KB    |    Off    |    On     |    Off    |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |   320KB    |    Off    |    On     |    Off    |    On     |
   |------------+-----------+-----------+-----------+-----------|
   |   384KB    |    Off    |    On     |    On     |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |   448KB    |    Off    |    On     |    On     |    On     |
   |------------+-----------+-----------+-----------+-----------|
   |   512KB    |    On     |    Off    |    Off    |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |   576KB    |    On     |    Off    |    Off    |    On     |
   |------------+-----------+-----------+-----------+-----------|
   |   640KB    |    On     |    Off    |    On     |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |   704KB    |    On     |    Off    |    On     |    On     |
   |------------+-----------+-----------+-----------+-----------|
   |   768KB    |    On     |    On     |    Off    |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |   832KB    |    On     |    On     |    Off    |    On     |
   |------------+-----------+-----------+-----------+-----------|
   |   896KB    |    On     |    On     |    On     |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |   960KB    |    On     |    On     |    On     |    On     |
   +------------------------------------------------------------+