(TXT) View Source
       
       # DTK COMPUTER, INC.
       
          PTM-TB10
       
          Processor              80286                                   
          Processor Speed        10MHz                                   
          Chip Set               Unidentified                            
          Video Chip Set         None                                    
          Maximum Onboard Memory 1MB                                     
          Maximum Video Memory   None                                    
          Cache                  None                                    
          BIOS                   DTK                                     
          Dimensions             355mm x 304mm                           
          I/O Options            None                                    
          NPU Options            80287                                   
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | Speaker             |   J17    | Turbo switch   |   JP1    |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |   J19    | Turbo LED      |   JP3    |
          |---------------------+----------+----------------+----------|
          | External battery    |   J20    |                |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Label |   Position    |
          |------------------------------------+-------+---------------|
          |   | Monitor type select color      |  J2   |  Pins 2 & 3   |
          |   |                                |       |    closed     |
          |---+--------------------------------+-------+---------------|
          |   | Monitor type select monochrome |  J2   |  Pins 1 & 2   |
          |   |                                |       |    closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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 JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |            Size            |              J18              |
          |----------------------------+-------------------------------|
          |           512KB            |       Pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |           640KB            |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            1MB             |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       BIOS SELECTION                       |
          |------------------------------------------------------------|
          |        Type        |  SW1/1  |  SW1/2  |  SW1/3  |  SW1/4  |
          |--------------------+---------+---------+---------+---------|
          |  27128 (DTK BIOS)  |   On    |   On    |   Off   |   Off   |
          |--------------------+---------+---------+---------+---------|
          | 27128 (Other BIOS) |   Off   |   Off   |   On    |   On    |
          |--------------------+---------+---------+---------+---------|
          | 27256 (Other BIOS) |   Off   |   Off   |   On    |   On    |
          +------------------------------------------------------------+