
DTK COMPUTER, INC.

PEM-2030B

Processor         80386SX
Processor Speed   20MHz
Chip Set          Unidentified
Max. Onboard DRAM 16MB (on external memory card)
Cache             None
BIOS              Unidentified
Dimensions        330mm x 218mm
I/O Options       External memory card (PEM-3303)
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Serial port                 CN1      Power LED & keylock         J4

  Serial port                 CN2      Speaker                     J5

  Parallel port               CN3      Reset switch                J6

  External battery            J1       External memory card        SL1

  Turbo LED                   J3

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

      Parallel port enabled               SW2 pins 5 &         Open
                                               6

      Parallel port disabled              SW2 pins 5 &        Closed
                                               6

      Parallel port LPT select LPT1       SW2 pins 7 &         Open
                                               8

      Parallel port LPT select LPT2       SW2 pins 7 &        Closed
                                               8

      Parallel port IRQ select IRQ7           SW3           pins 7 & 8
                                                              closed

      Parallel port IRQ select IRQ5           SW3           pins 5 & 6
                                                              closed

      8-bit memory I/O wait state              W1           pins 1 & 2
      select 4 wait states                                    closed

      8-bit memory I/O wait state              W1           pins 2 & 3
      select 5 wait states                                    closed

      16-bit memory I/O wait state             W2           pins 1 & 2
      select 1 wait states                                    closed

      16-bit memory I/O wait state             W2           pins 2 & 3
      select 2 wait states                                    closed

      CPU speed control 8MHz                   W3           pins 1 & 2
                                                              closed

      CPU speed control keyboard               W3           pins 2 & 3
      control                                                 closed

      CPU speed control 20MHz                  W3              Open

      Monitor type select monochrome           W4           pins 1 & 2
                                                              closed

      Monitor type select color                W4           pins 2 & 3
                                                              closed

      NPU disabled                             W5           pins 1 & 2
                                                              closed

      NPU enabled                              W5           pins 2 & 3
                                                              closed

      BIOS type select 27128                   W6           pins 1 & 2
                                                              closed

      BIOS type select 27256                   W6           pins 2 & 3
                                                              closed

  Note: The location of W6 is unidentified.

                  DRAM CONFIGURATION

  Note: DRAM is located on the external memory card.

                      DRAM JUMPER CONFIGURATION

               Size                               SW1

                2MB                 pins 1 & 2, 3 & 4, 5 & 6 closed

                4MB                     pins 3 & 4, 5 & 6 closed

                8MB                        pins 5 & 6 closed

               16MB                               Open

                  SERIAL PORT CONFIGURATION

       Setting               SW2                  SW3

        COM1           pins 1 & 2 closed   pins 1 & 2 closed

        COM2           pins 2 & 3 closed   pins 2 & 3 closed

