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

   PTM-1260V

   Processor    80286                                             
   Processor    12MHz                                             
   Speed        
   Chip Set     VLSI                                              
   Max. Onboard 4MB                                               
   DRAM         
   Cache        None                                              
   BIOS         DTK                                               
   Dimensions   329mm x 218mm                                     
   I/O Options  Floppy drive interface, parallel port, serial     
                ports (2), video port                             
   NPU Options  80287                                             

<gopher://bitreich.org/I/th99/m/C-D/31852-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Turbo switch  |    J3    | 9-pin analog video   |   J26    |
   |               |          | port                 |          |
   |---------------+----------+----------------------+----------|
   | Turbo LED     |    J4    | Serial port 2        |   J27    |
   |---------------+----------+----------------------+----------|
   | Power LED &   |    J5    | Serial port 1        |   J28    |
   | keylock       |          |                      |          |
   |---------------+----------+----------------------+----------|
   | Speaker       |    J7    | Parallel port        |   J29    |
   |---------------+----------+----------------------+----------|
   | Floppy drive  |   J25    | External battery     |   J30    |
   | interface     |          |                      |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                USER CONFIGURABLE SETTINGS                  |
   |------------------------------------------------------------|
   |               Function                | Jumper  | Position |
   |---------------------------------------+---------+----------|
   |>> | BIOS type select 32KB             |   J1    |   Open   |
   |---+-----------------------------------+---------+----------|
   |   | BIOS type select 64KB             |   J1    |  Closed  |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J2    |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J4    |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J7    |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Zero wait state enabled           |   J8    |  Closed  |
   |---+-----------------------------------+---------+----------|
   |   | Zero wait state disabled          |   J8    |   Open   |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J12   |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Floppy drive interface enabled    |   J15   |  Closed  |
   |---+-----------------------------------+---------+----------|
   |   | Floppy drive interface disabled   |   J15   |   Open   |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J16   |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Monochrome display primary        |   J22   |   Open   |
   |---+-----------------------------------+---------+----------|
   |   | CGA display primary               |   J22   |  Closed  |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J23   |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J24   |   N/A    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   DISPLAY CONFIGURATION                    |
   |------------------------------------------------------------|
   |               Setting               |    J10    |   J11    |
   |-------------------------------------+-----------+----------|
   | Monochrome display adapter enabled  |  Closed   |  Closed  |
   |-------------------------------------+-----------+----------|
   | Monochrome display adapter disabled |   Open    |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PRIMARY SERIAL PORT CONFIGURATION              |
   |------------------------------------------------------------|
   |    Port 1 (J28)    |        J18        |        J21        |
   |--------------------+-------------------+-------------------|
   |        COM1        |      Closed       |      Closed       |
   |--------------------+-------------------+-------------------|
   |        COM3        |       Open        |       Open        |
   |--------------------+-------------------+-------------------|
   |      Disabled      |       Open        |      Closed       |
   |--------------------+-------------------+-------------------|
   |      Disabled      |      Closed       |       Open        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            SECONDARY SERIAL PORT CONFIGURATION             |
   |------------------------------------------------------------|
   |    Port 2 (J27)    |        J19         |       J20        |
   |--------------------+--------------------+------------------|
   |        COM2        |       Closed       |      Closed      |
   |--------------------+--------------------+------------------|
   |        COM4        |        Open        |       Open       |
   |--------------------+--------------------+------------------|
   |      Disabled      |        Open        |      Closed      |
   |--------------------+--------------------+------------------|
   |      Disabled      |       Closed       |       Open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |     LPT      |    J15     |    J17     |        J9         |
   |--------------+------------+------------+-------------------|
   |     LPT1     |   Closed   |   Closed   | Pins 1 & 2 closed |
   |--------------+------------+------------+-------------------|
   |     LPT2     |    Open    |    Open    | Pins 2 & 3 closed |
   |--------------+------------+------------+-------------------|
   |   Disabled   |    Open    |   Closed   |        N/A        |
   |--------------+------------+------------+-------------------|
   |   Disabled   |   Closed   |    Open    |        N/A        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    DRAM CONFIGURATION                      |
   |------------------------------------------------------------|
   | Size  | Bank 0 | Parity | Bank 1 | Parity | Bank 2 | Bank  |
   |       |        |   0    |        |   1    |        |   3   |
   |-------+--------+--------+--------+--------+--------+-------|
   | 512KB |  (4)   |  (2)   |  NONE  |  NONE  |  NONE  | NONE  |
   |       | 44256  | 41256  |        |        |        |       |
   |-------+--------+--------+--------+--------+--------+-------|
   | 512KB |  NONE  |  NONE  |  NONE  |  NONE  |  (2)   | NONE  |
   |       |        |        |        |        | 256K x |       |
   |       |        |        |        |        |   9    |       |
   |-------+--------+--------+--------+--------+--------+-------|
   |  1MB  |  (4)   |  (2)   |  (4)   |  (2)   |  NONE  | NONE  |
   |       | 44256  | 41256  | 44256  | 41256  |        |       |
   |-------+--------+--------+--------+--------+--------+-------|
   |  1MB  |  NONE  |  NONE  |  NONE  |  NONE  |  (2)   |  (2)  |
   |       |        |        |        |        | 256K x | 256K  |
   |       |        |        |        |        |   9    |  x 9  |
   |-------+--------+--------+--------+--------+--------+-------|
   |  2MB  |  NONE  |  NONE  |  NONE  |  NONE  | (2) 1M | NONE  |
   |       |        |        |        |        |  x 9   |       |
   |-------+--------+--------+--------+--------+--------+-------|
   |  4MB  |  NONE  |  NONE  |  NONE  |  NONE  | (2) 1M |  (2)  |
   |       |        |        |        |        |  x 9   | 1M x  |
   |       |        |        |        |        |        |   9   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |     Size     |      J6       |     J13      |     J14      |
   |--------------+---------------+--------------+--------------|
   |    512KB     |    Closed     |    Closed    |    Closed    |
   |--------------+---------------+--------------+--------------|
   |    512KB     |    Closed     |    Closed    |     Open     |
   |--------------+---------------+--------------+--------------|
   |     1MB      |    Closed     |     Open     |    Closed    |
   |--------------+---------------+--------------+--------------|
   |     1MB      |    Closed     |     Open     |     Open     |
   |--------------+---------------+--------------+--------------|
   |     2MB      |    Closed     |     Open     |     Open     |
   |--------------+---------------+--------------+--------------|
   |     4MB      |     Open      |    Closed    |    Closed    |
   +------------------------------------------------------------+