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                                   

<gopher://bitreich.org/I/th99/m/C-D/33606-1.png>
   

   +------------------------------------------------------------+
   |                        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    |
   +------------------------------------------------------------+