
DTK COMPUTER, INC.

PPM-1631D(S)/2031D(S)/2531D(S)

Processor         80386SX
Processor Speed   16/20/25MHz
Chip Set          DTK
Max. Onboard DRAM 5MB
Cache             None
BIOS              DTK/AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Power LED & keylock         J2       Turbo LED                   J5

  Turbo switch                J3       Reset switch                J6

  Speaker                     J4       External battery            J7

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

     BIOS type select 27256                    W7           pins 1 & 2
                                                              closed

      BIOS type select 27128                    W7           pins 2 & 3
                                                              closed

     NPU disabled                              W8            Closed

      NPU enabled                               W8             Open

     NPU mode select synchronous with         W10             Open
      CPU

      NPU mode select asynchronous with        W10            Closed
      CPU

     Battery type select internal             W11           pins 2 & 3
                                                              closed

      Battery type select external             W11           pins 1 & 2
                                                              closed

     Monitor type select monochrome           W12           pins 1 & 2
                                                              closed

      Monitor type select color                W12           pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

   Size      Bank 0      P-0      Bank 1      P-1      Bank 2     Bank 3

  512KB 1      (4)       (2)       NONE       NONE      NONE       NONE
             44256      4464

  640KB 1      (4)       (2)        (4)        (2)      NONE       NONE
             44256      4464       41256      4164

  1MB 1        (4)       (2)        (4)        (2)      NONE       NONE
             44256      4464       44256      4464

  1.5MB 2      (4)       (2)        (4)        (2)       (2)       NONE
             44256      4464       41256      4164      256K x
                                                          9

  2MB 2        (4)       (2)        (4)        (2)       (2)     (2) 256K
             44256      4464       44256      4464      256K x     x 9
                                                          9

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

  3MB 2        (4)       (2)        (4)        (2)      (2) 1M     NONE
             44256      4464       44256      4464       x 9

  4MB 1       NONE      NONE       NONE       NONE      (2) 1M   (2) 1M x
                                                         x 9        9

  5MB 2        (4)       (2)        (4)        (2)      (2) 1M   (2) 1M x
             44256      4464       44256      4464       x 9        9

                         DRAM JUMPER CONFIGURATION

   Size        W1         W2        W3         W4        W5         W6

  512KB 1    1 & 2      1 & 2      1 & 2     1 & 2      1 & 2     1 & 2

  640KB 1    1 & 2      1 & 2      1 & 2     1 & 2      1 & 2     1 & 2

   1MB 1     1 & 2      1 & 2      1 & 2     1 & 2      1 & 2     1 & 2

  1.5MB 2    2 & 3      2 & 3      2 & 3     2 & 3      2 & 3     2 & 3

   2MB 2     2 & 3      2 & 3      2 & 3     2 & 3      2 & 3     2 & 3

   2MB 1     1 & 2      1 & 2      1 & 2     1 & 2      1 & 2     1 & 2

   3MB 2     2 & 3      2 & 3      2 & 3     2 & 3      2 & 3     2 & 3

   4MB 1     1 & 2      1 & 2      1 & 2     1 & 2      1 & 2     1 & 2

   5MB 2     2 & 3      2 & 3      2 & 3     2 & 3      2 & 3     2 & 3

  Note:Pins designated should be in the closed position.

