DTK COMPUTER, INC.

PKM-3300 (VER. 1.00)

Processor         80486DX
Processor Speed   25/33MHz
Chip Set          VLSI
Max. Onboard DRAM 16MB (8MB on external memory card)
Cache             64/256KB
BIOS              AMI/DTK
Dimensions        351mm x 296mm
I/O Options       32-bit external memory card slot
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Secondary fan power         J1       Reset switch                J4

  Power LED & keylock         J2       Speaker                     J5

  Turbo LED                   J3       32-bit external             S1
                                       memory card

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   CPU speed select fast                  J6                 Open

      CPU speed select slow                  J6              pins 1 & 2
                                                               closed

      CPU speed switchable from              J6              pins 2 & 3
      keyboard                                                 closed

  »   Monitor type select                   SW1/4               Off
      monochrome

      Monitor type select color             SW1/4                On

  »   BIOS type select 27256                 W3              pins 1 & 2
                                                               closed

      BIOS type select 27512                 W3              pins 2 & 3
                                                               closed

  »   Video BIOS shadowing enabled           W6                Closed

      Video BIOS shadowing                   W6                 Open
      disabled

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

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

      4MB         (4) 1M x 9         NONE

      8MB         (4) 1M x 9      (4) 1M x 9

                  DRAM JUMPER CONFIGURATION

        Size                  W4                   W5

         1MB           pins 2 & 3 closed   pins 2 & 3 closed

         2MB           pins 2 & 3 closed   pins 2 & 3 closed

         4MB           pins 1 & 2 closed   pins 1 & 2 closed

         8MB           pins 1 & 2 closed   pins 1 & 2 closed

             DRAM SWITCH CONFIGURATION

  Size      SW1/1         SW1/2          SW1/3

  1MB         On            On            On

  2MB         On            On            On

  4MB         On            On            Off

  8MB         On           Off            Off

                    CACHE CONFIGURATION

     Size          Bank 0          Tag         Dirty Bit

     64KB       (8) 16K x 4    (2) 16K x 4    (1) 16K x 1

     256KB      (8) 64K x 4    (2) 64K x 4    (1) 64K x 1

                  CACHE JUMPER CONFIGURATION

        Size                  W1                   W2

        64KB           pins 1 & 2 closed   pins 1 & 2 closed

        256KB          pins 2 & 3 closed   pins 2 & 3 closed