COMPUDYNE
=========

   ALL-IN-ONE MULTI-CPU SYSTEM BOARD

   Processor   80386DX/80486SX/CX486DLC/TI486DLC/80486DX/80486DX2 
   Processor   20/25/33/40/50(internal)/50/66(internal)MHz        
   Speed       
   Chip Set    Unidentified                                       
   Video Chip  None                                               
   Set         
   Maximum     32MB                                               
   Onboard     
   Memory      
   Maximum     None                                               
   Video       
   Memory      
   Cache       64/128/256KB                                       
   BIOS        AMI                                                
   Dimensions  330mm x 218mm                                      
   I/O Options 32-bit VESA local bus slot, floppy drive           
               interface, game interface, IDE interface, parallel 
               port, serial ports (2)                             
   NPU Options 80387DX                                            

<gopher://bitreich.org/I/th99/m/C-D/33530-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN1    | Speaker          |   J11    |
   |-------------------+----------+------------------+----------|
   | Game interface    |   CN2    | Reset switch     |   J12    |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN3    | IDE interface    |   J13    |
   |                   |          | LED              |          |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN4    | Turbo switch     |   J14    |
   |-------------------+----------+------------------+----------|
   | IDE interface     |   CN5    | Turbo LED        |   J15    |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN6    | Power LED &      |   J16    |
   | interface         |          | keylock          |          |
   |-------------------+----------+------------------+----------|
   | External battery  |    J2    | 32-bit VESA      |   SL1    |
   |                   |          | local bus slot   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |   | Battery type select internal    |  W1   |    Closed    |
   |---+---------------------------------+-------+--------------|
   |   | Battery type select external    |  W1   |     Open     |
   |---+---------------------------------+-------+--------------|
   |   | Monitor type select color       |  W2   |    Closed    |
   |---+---------------------------------+-------+--------------|
   |   | Monitor type select monochrome  |  W2   |     Open     |
   |---+---------------------------------+-------+--------------|
   |   | Jumper information unavailable  |  W9   | Unidentified |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |    (4) 256K x 9    |        None        |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        None        |
   |------------------+--------------------+--------------------|
   |       5MB        |    (4) 256K x 9    |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        None        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |    TAG     |    U64     |
   |-------+-------------+------------+------------+------------|
   | 64KB  | (4) 8K x 8  | (4) 8K x 8 | (1) 8K x 8 | (1) 64K x  |
   |       |             |            |            |     1      |
   |-------+-------------+------------+------------+------------|
   | 128KB | (4) 32K x 8 |    None    | (1) 8K x 8 | (1) 64K x  |
   |       |             |            |            |     1      |
   |-------+-------------+------------+------------+------------|
   | 256KB | (4) 32K x 8 | (4) 32K x  | (1) 8K x 8 | (1) 64K x  |
   |       |             |     8      |            |     1      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size |  W4  |  W5  |  W6  | W13  | W19 | W20 | W21  | W22  |
   |------+------+------+------+------+-----+-----+------+------|
   | 64KB |2 & 3 | Open | Open |2 & 3 |Open |Open | Open | Open |
   |------+------+------+------+------+-----+-----+------+------|
   |128KB |1 & 2 | Open |Closed|1 & 2 |Open |Open | Open |Closed|
   |------+------+------+------+------+-----+-----+------+------|
   |256KB |2 & 3 |Closed|Closed|2 & 3 |Open |Open |Closed|Closed|
   |------------------------------------------------------------|
   |Note: Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |   Speed    |    W10    |    W14    |    W15    |    W16    |
   |------------+-----------+-----------+-----------+-----------|
   |   20MHz    |   Open    |  Closed   |   Open    |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   25MHz    |   Open    |   Open    |  Closed   |  Closed   |
   |------------+-----------+-----------+-----------+-----------|
   |   33MHz    |   Open    |   Open    |  Closed   |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   40MHz    |  Closed   |   Open    |   Open    |  Closed   |
   |------------+-----------+-----------+-----------+-----------|
   |   50iMHz   |   Open    |   Open    |  Closed   |  Closed   |
   |------------+-----------+-----------+-----------+-----------|
   |   50MHz    |   Open    |   Open    |  Closed   |  Closed   |
   |------------+-----------+-----------+-----------+-----------|
   |   66iMHz   |   Open    |   Open    |  Closed   |   Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     CPU TYPE SELECTION                     |
   |------------------------------------------------------------|
   |    Type    | W3  | W7  | W8  | W17  | W18  |  W23   | W24  |
   |------------+-----+-----+-----+------+------+--------+------|
   |  80386DX   | 2 & | 1 & | 2 & | 1 &  | 2 &  |  Open  | N/A  |
   |            |  3  |  2  |  3  |  2   |  3   |        |      |
   |------------+-----+-----+-----+------+------+--------+------|
   |  CX486DLC  | 1 & | 1 & | 2 & | 1 &  | 2 &  |  Open  | N/A  |
   |            |  2  |  2  |  3  |  2   |  3   |        |      |
   |------------+-----+-----+-----+------+------+--------+------|
   |  TI486DLC  | 1 & | 1 & | 2 & | 1 &  | 2 &  |  Open  | N/A  |
   |            |  2  |  2  |  3  |  2   |  3   |        |      |
   |------------+-----+-----+-----+------+------+--------+------|
   |  80486SX   | 1 & | 1 & | 1 & | 2 &  | 1 &  |  Open  | 1 &  |
   |            |  2  |  2  |  2  |  3   |  2   |        |  2   |
   |------------+-----+-----+-----+------+------+--------+------|
   |  80486DX   | 1 & | 1 & | 1 & | 2 &  | 1 &  |  Open  | 2 &  |
   |            |  2  |  2  |  2  |  3   |  2   |        |  3   |
   |------------+-----+-----+-----+------+------+--------+------|
   | 80486DX-50 | 1 & | 2 & | 1 & | 2 &  | 1 &  | Closed | 2 &  |
   |            |  2  |  3  |  2  |  3   |  2   |        |  3   |
   |------------+-----+-----+-----+------+------+--------+------|
   |  80486DX2  | 1 & | 1 & | 1 & | 2 &  | 1 &  |  Open  | 2 &  |
   |            |  2  |  2  |  2  |  3   |  2   |        |  3   |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                VL BUS WAIT STATE SELECTION                 |
   |------------------------------------------------------------|
   |            Setting            |            W11             |
   |-------------------------------+----------------------------|
   |               0               |            Open            |
   |-------------------------------+----------------------------|
   |               1               |           Closed           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   VL BUS SPEED SELECTION                   |
   |------------------------------------------------------------|
   |             Speed             |            W12             |
   |-------------------------------+----------------------------|
   |           <= 33MHz            |           Closed           |
   |-------------------------------+----------------------------|
   |            >33 MHz            |            Open            |
   +------------------------------------------------------------+