DTK COMPUTER, INC.

PEM-2035

Processor          80386DX
Processor Speed    20MHz
Chip Set           VLSI
Max. Onboard DRAM  16MB (8MB on external memory card)
Cache              None
BIOS               DTK
Dimensions         333mm x 222.5mm
I/O Options        32-bit external memory card slot (PEI-306)
NPU Options        80387/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Power LED & keylock        J1        32-bit external             S1
                                       memory card

  Reset switch               J2        Turbo switch                W4

  Speaker                    J3        Turbo LED                   W5

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   DRAM (16-bit) speed select 2 wait        W2            pins 2 & 3
      state                                                   closed

      DRAM (16-bit) speed select 1 wait        W2            pins 1 & 2
      state                                                   closed

  »   DRAM (8-bit) speed select 5 wait         W3            pins 2 & 3
      state                                                   closed

      DRAM (8-bit) speed select 4 wait         W3            pins 1 & 2
      state                                                   closed

  »   CPU speed select 20MHz                   W4              Open

      CPU speed select 8MHz                    W4            pins 1 & 2
                                                              closed

      CPU speed select switchable from         W4            pins 2 & 3
      keyboard                                                closed

  »   Monitor type select monochrome           W6            pins 1 & 2
                                                              closed

      Monitor type select color                W6            pins 2 & 3
                                                              closed

  »   NPU disabled                             W7            pins 2 & 3
                                                              closed

      NPU enabled                              W7            pins 1 & 2
                                                              closed

                      DRAM CONFIGURATION

             Size                           Bank 0

              1MB                        (4) 256K x 9

              2MB                        (4) 512K x 9

              4MB                         (4) 1M x 9

  Note:The 512K x 9 SIPP module is a proprietary DTK design.

                     DRAM JUMPER/SWITCH CONFIGURATION

   Size        SW1/1       SW1/2       SW1/3       SW1/4          W1

    1MB         On          On           On         On        pins 2 & 3
                                                                closed

    2MB         On          Off          On         On        pins 2 & 3
                                                                closed

    4MB         Off         On           On         Off       pins 1 & 2
                                                                closed