
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

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  Speaker                     J1        Reset                      J4

  Power LED & keyboard        J2        Turbo switch               J5
  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 3
                        (P-0)                 (P-1)

  512KB       (4)        (2)       NONE       NONE       NONE      NONE
             44256      41256

  640KB       (4)        (2)       NONE       NONE       NONE     (2) 64K
             44256      41256                                       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 x
                                                          9          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 x
                                                          9          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) 1M
                                                         x 9        x 9

   5MB        (4)        (2)        (4)        (2)      (2) 1M     (2) 1M
             44256      41256      44256      41256      x 9        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.

