(TXT) View Source
       
       # 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                                        
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        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     |
          +------------------------------------------------------------+