
DTK COMPUTER, INC.

KEEN 3304

Processor         80386DX
Processor Speed   33MHz
Chip Set          VLSI
Max. Onboard DRAM 16MB (8MB on external memory card)
Cache             64/256KB
BIOS              AMI/Award/Phoenix/DTK
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card
NPU Options       80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Power LED & keylock        J1        Speaker                     J4

  Turbo LED                  J2        Turbo switch                W6

  Reset switch               J3        32-bit external            SL1
                                       memory card

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch        Position

     Monitor type select color             SW1/6               On

      Monitor type select                   SW1/6               Off
      monochrome

     NPU disabled                           W1               Closed

      NPU enabled                            W1                Open

     Turbo switch select normal             W6              pins 1 & 2
      (hardware)                                              closed

      Turbo switch select turbo              W6                Open
      (hardware)

      Turbo switch select speed              W6              pins 2 & 3
      toggled (software)                                      closed

     BIOS type select 27256                 W7              pins 1 & 2
                                                              closed

      BIOS type select 27512                 W7              pins 2 & 3
                                                              closed

     DMA clock speed select 8MHz            W8               Closed

      DMA clock speed select 6MHz            W8                Open

              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

      5MB         (4) 256K x 9    (4) 1M x 9

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

                 DRAM SWITCH CONFIGURATION (MAINBOARD)

   Size    SW1/1    SW1/2    SW1/3   SW1/4    SW1/5     W2       W3

   1MB       On      On       On       On       On     2 & 3    2 & 3

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

   4MB       On      On       Off      On      Off     1 & 2    1 & 2

   5MB      Off      On       Off     Off       On     2 & 3    1 & 2

   8MB      Off      On       Off     Off      Off     1 & 2    1 & 2

  Note:Pins designated should be in the closed position.

            CACHE CONFIGURATION

     Size          Bank 0          TAG

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

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

                  CACHE JUMPER CONFIGURATION

        Size                  W4                   W5

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

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

[Image]

                     DRAM CONFIGURATION (MEMORY CARD)

    Size       Bank 0      Bank 1      Bank 0a      Bank 1a     Bank 2a

    3MB       (4) 256K     (4) 256K    (4) 256K      NONE         NONE
                x 9          x 9         x 9

    4MB       (4) 256K     (4) 256K    (4) 256K     (4) 256K      NONE
                x 9          x 9         x 9          x 9

    5MB       (4) 1M x      NONE       (4) 256K      NONE         NONE
                 9                       x 9

    6MB       (4) 1M x      NONE       (4) 256K     (4) 256K      NONE
                 9                       x 9          x 9

    7MB       (4) 256K     (4) 1M x    (4) 256K     (4) 256K      NONE
                x 9           9          x 9          x 9

    7MB       (4) 1M x      NONE       (4) 256K     (4) 256K   (4) 256K x
                 9                       x 9          x 9          9

    8MB       (4) 1M x      NONE       (4) 1M x      NONE         NONE
                 9                        9

    8MB       (4) 256K     (4) 1M x    (4) 256K     (4) 256K   (4) 256K x
                x 9           9          x 9          x 9          9

    9MB       (4) 1M x     (4) 1M x    (4) 256K      NONE         NONE
                 9            9          x 9

    9MB       (4) 256K     (4) 1M x    (4) 1M x      NONE         NONE
                x 9           9           9

    10MB      (4) 1M x     (4) 1M x    (4) 256K     (4) 256K      NONE
                 9            9          x 9          x 9

    10MB      (4) 256K     (4) 256K    (4) 1M x     (4) 1M x      NONE
                x 9          x 9          9            9

    11MB      (4) 1M x     (4) 1M x    (4) 256K     (4) 256K   (4) 256K x
                 9            9          x 9          x 9          9

    12MB      (4) 1M x     (4) 1M x    (4) 1M x      NONE         NONE
                 9            9           9

    13MB      (4) 256K     (4) 1M x    (4) 1M x     (4) 1M x      NONE
                x 9           9           9            9

    14MB      (4) 256K     (4) 256K    (4) 1M x     (4) 1M x   (4) 1M x 9
                x 9          x 9          9            9

    16MB      (4) 1M x     (4) 1M x    (4) 1M x     (4) 1M x      NONE
                 9            9           9            9

    16MB      (4) 1M x      NONE       (4) 1M x     (4) 1M x   (4) 1M x 9
                 9                        9            9

  Note: Banks 0 & 1 are located on the mainboard.

                   DRAM SWITCH CONFIGURATION (MEMORY CARD)

  Size   SW1/1  SW1/2   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8   SW1/9

  3MB     On     On      Off     Off     On     Off     Off      On     Off

  4MB     On     On      Off     Off     On     Off     Off      On     Off

  5MB     On     On      Off     On      Off    Off     Off      On     Off

  6MB     On     On      Off     On      Off    Off     Off      On      On

  7MB     On     On      Off     On      Off     On     Off      On     Off

  7MB     On     On      Off     On      Off    Off     Off      On     Off

  8MB     On     Off     Off     On      Off    Off     Off      On     Off

  8MB     On     On      Off     On      Off     On     Off      On     Off

  9MB     On     On      On      Off     Off    Off     Off      On     Off

  9MB     On     Off     Off     On      Off     On     Off      On     Off

  10MB    On     On      On      Off     Off    Off     Off      On     Off

  10MB    On     Off     Off     Off     On     Off     Off      On     Off

  11MB    On     On      On      Off     Off    Off     Off      On      On

  12MB    On     Off     Off     On      Off    Off     Off      On      On

  13MB    On     Off     Off     On      Off     On     Off      On      On

  14MB    On     Off     Off     Off     On     Off     Off      On     Off

  16MB    On     Off     On      Off     Off    Off     Off      On      On

  16MB    On     Off     Off     On      Off    Off     Off      On     Off

            Note: These jumper settings correspond exactly with the above
            DRAM configuration table. SW1/10 is not used.

                  DRAM JUMPER CONFIGURATION (MEMORY CARD)

      Size              W1                  W2                 W3

    256K x 9         pins 2 & 3         pins 2 & 3      pins 2 & 3 closed
                      closed              closed

     1M x 9          pins 1 & 2         pins 1 & 2      pins 1 & 2 closed
                      closed              closed

  Note:These jumpers correspond to the type of memory used in the memory
  card.

