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

   PTM-1232C/PTM-1632C

   Processor                 80286                                
   Processor Speed           12/16MHz                             
   Chip Set                  C & T                                
   Max. Onboard DRAM         5MB                                  
   Cache                     None                                 
   BIOS                      DTK                                  
   Dimensions                247mm x 222mm                        
   I/O Options               None                                 
   NPU Options               80287                                

<gopher://bitreich.org/I/th99/m/C-D/30060-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J1    | Reset            |    J4    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J2    | Turbo switch     |    J5    |
   | keyboard lock     |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Turbo LED         |    J3    | External battery |    J6    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Battery select external          |  JP7   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery select internal          |  JP7   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select monochrome   |  JP8   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select color        |  JP8   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Power good signal detect from    |  JP9   | pins 1 & 2 |
   |   | board                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Power good signal detect from    |  JP9   | pins 2 & 3 |
   |   | power supply                     |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  | Bank 0 | Parity | Bank 1 | Parity | Bank 2 | Bank  |
   |       |        | (P-0)  |        | (P-1)  |        |   3   |
   |-------+--------+--------+--------+--------+--------+-------|
   | 512KB |  (4)   |  (2)   |  NONE  |  NONE  |  NONE  | NONE  |
   |       | 44256  | 41256  |        |        |        |       |
   |-------+--------+--------+--------+--------+--------+-------|
   | 640KB |  (4)   |  (2)   |  NONE  |  NONE  |  NONE  |  (2)  |
   |       | 44256  | 41256  |        |        |        | 64K x |
   |       |        |        |        |        |        |   9   |
   |-------+--------+--------+--------+--------+--------+-------|
   |  1MB  |  (4)   |  (2)   |  (4)   |  (2)   |  NONE  | NONE  |
   |       | 44256  | 41256  | 44256  | 41256  |        |       |
   |-------+--------+--------+--------+--------+--------+-------|
   |  1MB  |  (4)   |  (2)   |  NONE  |  NONE  |  NONE  |  (2)  |
   |       | 44256  | 41256  |        |        |        | 256K  |
   |       |        |        |        |        |        |  x 9  |
   |-------+--------+--------+--------+--------+--------+-------|
   |  1MB  |  NONE  |  NONE  |  (4)   |  (2)   |  (2)   | NONE  |
   |       |        |        | 44256  | 41256  | 256K x |       |
   |       |        |        |        |        |   9    |       |
   |-------+--------+--------+--------+--------+--------+-------|
   |  1MB  |  NONE  |  NONE  |  NONE  |  NONE  |  (2)   |  (2)  |
   |       |        |        |        |        | 256K x | 256K  |
   |       |        |        |        |        |   9    |  x 9  |
   |-------+--------+--------+--------+--------+--------+-------|
   | 1.5MB |  (4)   |  (2)   |  (4)   |  (2)   |  (2)   | NONE  |
   |       | 44256  | 41256  | 44256  | 41256  | 256K x |       |
   |       |        |        |        |        |   9    |       |
   |-------+--------+--------+--------+--------+--------+-------|
   |  2MB  |  (4)   |  (2)   |  (4)   |  (2)   |  (2)   |  (2)  |
   |       | 44256  | 41256  | 44256  | 41256  | 256K x | 256K  |
   |       |        |        |        |        |   9    |  x 9  |
   |-------+--------+--------+--------+--------+--------+-------|
   |  2MB  |  NONE  |  NONE  |  NONE  |  NONE  | (2) 1M | NONE  |
   |       |        |        |        |        |  x 9   |       |
   |-------+--------+--------+--------+--------+--------+-------|
   |  3MB  |  (4)   |  (2)   |  (4)   |  (2)   | (2) 1M | NONE  |
   |       | 44256  | 41256  | 44256  | 41256  |  x 9   |       |
   |-------+--------+--------+--------+--------+--------+-------|
   |  4MB  |  NONE  |  NONE  |  NONE  |  NONE  | (2) 1M |  (2)  |
   |       |        |        |        |        |  x 9   | 1M x  |
   |       |        |        |        |        |        |   9   |
   |-------+--------+--------+--------+--------+--------+-------|
   |  5MB  |  (4)   |  (2)   |  (4)   |  (2)   | (2) 1M |  (2)  |
   |       | 44256  | 41256  | 44256  | 41256  |  x 9   | 1M x  |
   |       |        |        |        |        |        |   9   |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |  Size  |  JP1   |  JP2   |  JP3   |  JP4   |  JP5  |  JP6  |
   |--------+--------+--------+--------+--------+-------+-------|
   | 512KB  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   | 512KB  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   | 640KB  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   | 640KB  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   |  1MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   |  1MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   |  1MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   |  1MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   | 1.5MB  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
   |--------+--------+--------+--------+--------+-------+-------|
   |  2MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
   |--------+--------+--------+--------+--------+-------+-------|
   |  2MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   |  3MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
   |--------+--------+--------+--------+--------+-------+-------|
   |  4MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   |  5MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+