DTK COMPUTER, INC.

PTM-1630

Processor         80286 (exact location unknown)
Processor Speed   16MHz
Chip Set          Unidentified
Max. Onboard DRAM 1MB
Cache             None
BIOS              DTK
Dimensions        330mm x 218mm
I/O Options       Local memory slot
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Local memory slot           CN1      Turbo LED                   J5

  Reset switch                J1       Power LED & keylock         J6

  Speaker                     J2       Turbo switch                W11

  External battery            J3

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

      Local memory wait state select 0         W3             Closed
      wait states

      Local memory wait state select 1         W3              Open
      wait state

      BIOS wait state select 2 wait            W4              Open
      states

      BIOS wait state select 1 wait            W4             Closed
      state

      BIOS type select 27128                   W8           pins 2 & 3
                                                              closed

      BIOS type select 27256                   W8           pins 1 & 2
                                                              closed

      Battery type select internal             W9              Open

      Battery type select external             W9             Closed

      Monitor type select monochrome          W10           pins 1 & 2
                                                              closed

      Monitor type select color               W10           pins 2 & 3
                                                              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

  DRAM JUMPER CONFIGURATION

   Size       W6       W7

  512KB     Closed   Closed

  640KB     Closed    Open

   1MB       Open    Closed

                         DRAM SPEED CONFIGURATION

     DRAM speed             Speed                        W5

       120ns             16MHz/0 ws                     Open

       100ns             12MHz/0 ws           pins 1 & 2, 3 & 4, 5 & 6
                                                       closed

        80ns             16MHz/1 ws         pins 1 & 2, 3 & 4, 5 & 6, 7 &
                                                      8 closed

        60ns             12MHz/1 ws         pins 1 & 2, 3 & 4, 5 & 6, 7 &
                                                  8, 9 & 10 closed

                   NPU SPEED CONFIGURATION

        Speed                 W1                   W2

        6MHz           pins 2 & 3 closed   pins 1 & 2 closed

        8MHz           pins 1 & 2 closed   pins 3 & 4 closed

        10MHz          pins 2 & 3 closed   pins 5 & 6 closed