
DTK COMPUTER, INC.

PTM-80301C

Processor         80286
Processor Speed   12MHz
Chip Set          None
Max. Onboard DRAM 5MB
Cache             None
BIOS              DTK
Dimensions        330mm x 222mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Power LED & keylock         JP1       Turbo switch               W1

  Speaker                     JP2       Reset switch               W3

  Turbo LED                   JP3       Turbo LED                  W5

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select monochrome           W6             closed

      Monitor type select color                W6              open

                            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

  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 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       (4)         (2)       NONE        NONE      NONE      NONE
           441000      411000

   2MB      NONE        NONE       NONE        NONE      (2) 1M    NONE
                                                          x 9

  2.5MB      (4)         (2)        (4)         (2)      NONE      NONE
            44256      41256      441000      411000

  2.5MB     NONE        NONE       NONE        NONE       (2)      (2) 1M
                                                         256K x     x 9
                                                           9

   3MB       (4)         (2)        (4)         (2)      (2) 1M    NONE
            44256      41256       44256      41256       x 9

   4MB       (4)         (2)        (4)         (2)      NONE      NONE
           441000      411000     441000      411000

   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

  DRAM JUMPER CONFIGURATION

   Size       P1       P2

  512KB     Closed    Open

  512KB      Open    Closed

   1MB      Closed    Open

   1MB       Open    Closed

  1.5MB     Closed    Open

   2MB      Closed    Open

   2MB      Closed    Open

   2MB       Open    Closed

  2.5MB     Closed    Open

  2.5MB      Open    Closed

   3MB      Closed    Open

   4MB      Closed    Open

   4MB       Open    Closed

   5MB      Closed    Open

