
DTK COMPUTER, INC.

PTM-TB10Z4

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

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Speaker                     J17      Turbo switch                J23

  Power LED & keylock         J19      External battery            J24

  Turbo LED                   J21

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Monitor type select color                J2           Pins 1 & 2
                                                              closed

      Monitor type select monochrome           J2           Pins 2 & 3
                                                              closed

      Wait state select 0 wait states         J25              Open

      Wait state select 1 wait state          J25             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

  Note: The location of banks 0, 1, 2 & 3 are unidentified.

        DRAM JUMPER CONFIGURATION

        Size                 J18

        512KB         Pins 2 & 3 closed

        640KB         Pins 1 & 2 closed

         1MB          Pins 2 & 3 closed

                              BIOS SELECTION

       Size            U5/1          U5/2          U5/3          U5/4

     27128 (DTK         On            On           Off           Off
       BIOS)

    27128 (Other        Off          Off            On            On
       BIOS)

    27256 (Other        Off          Off            On            On
       BIOS)

