DTK COMPUTER, INC.

PEM-2000 (FAST ET20)

Processor            80386DX
Processor Speed      20MHz
Chip Set             VLSI
Max. Onboard DRAM    1MB
Cache                None
BIOS                 DTK
Dimensions           355.6mm x 304.8mm
I/O Options          Parallel port, serial ports (2), 32-bit external
                     memory card slots (2)
NPU Options          80387

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  Serial port (COM1)          J10       Reset switch               W1

  Serial port (COM2)          J11       External battery           W6

  Parallel port               J12       Speaker                    W7

  32-bit external             S1        Power LED & keylock       W11
  memory card

  32-bit external             S2        Turbo LED                 W12
  memory card

                        USER CONFIGURABLE SETTINGS

              Function                 Jumper/Switch         Position

      DRAM (32-bit) speed select 1           W2                Open
      wait state

      DRAM (32-bit) speed select 2           W2               Closed
      wait state

      DRAM (16-bit) speed select 1           W3              pins 1 & 2
      wait state                                              closed

      DRAM (16-bit) speed select 2           W3              pins 2 & 3
      wait state                                              closed

      DRAM (8-bit) speed select 4            W4              pins 1 & 2
      wait state                                              closed

      DRAM (8-bit) speed select 5            W4              pins 2 & 3
      wait state                                              closed

      Monitor type select                    W8              pins 1 & 2
      monochrome                                              closed

      Monitor type select color              W8              pins 2 & 3
                                                              closed

      CPU speed select fast                 W10                Open

      CPU speed select slow                 W10              pins 1 & 2
                                                              closed

      CPU speed select switchable           W10              pins 2 & 3
      from keyboard                                           closed

  »   Serial port enabled                  SW1/1               Open

      Serial port disabled                 SW1/1              Closed

  »   Serial port enabled                  SW1/2               Open

      Serial port disabled                 SW1/2              Closed

  »   LPT enabled                          SW1/3               Open

      LPT disabled                         SW1/3              Closed

  »   Parallel port select LPT1            SW1/4               Open

      Parallel port select LPT2            SW1/4              Closed

  »   Serial port (J10) select             SW1/5              Closed
      COM1/IRQ4

      Serial port (J10) select             SW1/6              Closed
      COM1/IRQ3

  »   Serial port (J11) select             SW1/8              Closed
      COM2/IRQ3

      Serial port (J11) select             SW1/7              Closed
      COM2/IRQ4

  »   Parallel port interrupt              SW1/9              Closed
      select IRQ7

  »   Parallel port interrupt              SW1/10             Closed
      select IRQ7

     DRAM CONFIGURATION

     Size        Bank 0

     1MB       (36) 41256