DTK COMPUTER, INC.
==================

   PTM-1200

   Processor         80286 (exact location unidentified)          
   Processor Speed   12MHz                                        
   Chip Set          Unidentified                                 
   Max. Onboard DRAM 1MB                                          
   Cache             None                                         
   BIOS              IBM/DTK                                      
   Dimensions        355mm x 305mm                                
   I/O Options       None                                         
   NPU Options       80287                                        

<gopher://bitreich.org/I/th99/m/C-D/33079-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J1    | Turbo LED        |    J4    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J2    | Turbo switch     |    J5    |
   | keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Reset switch      |    J3    | External battery |    J8    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Switch  | Position  |
   |--------------------------------------+---------+-----------|
   |   | Monitor type select color        |  SW1/6  |    On     |
   |---+----------------------------------+---------+-----------|
   |   | Monitor type select monochrome   |  SW1/6  |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
   |--------+------------+------------+------------+------------|
   | 512KB  | (9) 41256  | (9) 41256  |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   | 640KB  | (9) 41256  | (9) 41256  |  (9) 4164  |  (9) 4164  |
   |--------+------------+------------+------------+------------|
   |  1MB   | (9) 41256  | (9) 41256  | (9) 41256  | (9) 41256  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM SWITCH CONFIGURATION                  |
   |------------------------------------------------------------|
   | Base memory |  Extended  | Total memory |  SW1/2  | SW1/3  |
   |-------------+------------+--------------+---------+--------|
   |    640KB    |    NONE    |    640KB     |   N/A   |   On   |
   |-------------+------------+--------------+---------+--------|
   |    640KB    |    NONE    |    640KB     |   N/A   |   On   |
   |-------------+------------+--------------+---------+--------|
   |    640KB    |   384KB    |     1MB      |   On    |  N/A   |
   |-------------+------------+--------------+---------+--------|
   |    512KB    |   512KB    |     1MB      |   Off   |  N/A   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               DRAM WAIT STATE CONFIGURATION                |
   |------------------------------------------------------------|
   |  DRAM bank  | Wait state |   SW1/1   |  SW1/4   |  SW1/5   |
   |-------------+------------+-----------+----------+----------|
   | Banks 1 - 4 |     1      |    On     |   Off    |   Off    |
   |-------------+------------+-----------+----------+----------|
   | Banks 0 & 1 |     0      |    Off    |   Off    |   N/A    |
   |-------------+------------+-----------+----------+----------|
   | Banks 0 & 1 |     1      |    Off    |    On    |   N/A    |
   |-------------+------------+-----------+----------+----------|
   | Banks 2 & 3 |     0      |    Off    |   N/A    |   Off    |
   |-------------+------------+-----------+----------+----------|
   | Banks 2 & 3 |     1      |    Off    |   N/A    |    On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     BIOS CONFIGURATION                     |
   |------------------------------------------------------------|
   |   Size    |   SW1/7   |   SW1/8   |   SW1/9   |   SW1/10   |
   |-----------+-----------+-----------+-----------+------------|
   |   27128   |    On     |    On     |    Off    |    Off     |
   |-----------+-----------+-----------+-----------+------------|
   |   27256   |    Off    |    Off    |    On     |     On     |
   +------------------------------------------------------------+