
DTK COMPUTER, INC.

PKM-3363Y (VER. 1.00)

Processor          80486SX/80487SX/80486DX/P23T
Processor Speed    16/20/25/33MHz
Chip Set           Symphony
Max. Onboard DRAM  32MB
Cache              64/256KB
BIOS               AMI/DTK
Dimensions         330mm x 222mm
I/O Options        Floppy drive interface, IDE interface, parallel port,
                   PS/2 mouse port, serial ports (2), VGA feature
                   connector, VGA port, riser slot
NPU Options        None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Reset switch                J1       Serial port 2               J28

  Turbo LED                   J2       Floppy drive interface      J35

  Turbo switch                J3       IDE interface               J36

  Power LED & keylock         J5       IDE interface LED           J37

  VGA feature connector       J23      Parallel port               J47

  VGA port                    J24      PS/2 mouse port             J48

  Serial port 1               J25      Riser slot                  SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Cache write hit wait state               J8             Closed
      select 0 wait states

      Cache write hit wait state               J8              Open
      select 1 wait state

     On board VGA wait state select 0        J27             Closed
      wait states

      On board VGA wait state select 1        J27              Open
      wait state

     VGA and system BIOS combined            J29             Closed

      VGA and system BIOS not combined        J29              Open

     Parallel port IRQ select IRQ7           J32           pins 2 & 3
                                                              closed

      Parallel port IRQ select IRQ5           J32           pins 1 & 2
                                                              closed

     Monitor type select monochrome          J33             Closed

      Monitor type select color               J33              Open

      Floppy drive interface enabled          J46           pins 1 & 2
                                                              closed

      Floppy drive interface disabled         J46           pins 2 & 3
                                                              closed

     Cache enabled                           J50             Closed

      Cache disabled                          J50              Open

     VGA KHz select 31.5KHz                 SW1/5             Off

      VGA KHz select 35KHz                   SW1/5              On

              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

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

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

      16MB        (4) 4M x 9         NONE

      17MB        (4) 256K x 9    (4) 4M x 9

      17MB        (4) 4M x 9     (4) 256K x 9

      20MB        (4) 1M x 9      (4) 4M x 9

      20MB        (4) 4M x 9      (4) 1M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

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

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

      Size               J7                J10                 J11

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

      128KB           pins 2 & 3        pins 2 & 3      pins 2 & 3 closed
                       closed             closed

                          CPU TYPE CONFIGURATION

       Type                J9                J16               J17

      80486SX             Open            pins 2 & 3           Open
                                           closed

      80486DX          pins 1 & 2         pins 1 & 2          Closed
                         closed            closed

  Note: An 80478SX or P23T can be installed at CPU1.

                          CPU SPEED CONFIGURATION

    Speed           J18            J19             J21            J51

    16MHz         Closed          Closed        pins 2 & 3       Open
                                                 closed

    20MHz         Closed           Open         pins 2 & 3       Open
                                                 closed

    25MHz          Open            Open         pins 2 & 3       Open
                                                 closed

    33MHz          Open           Closed        pins 2 & 3       Open
                                                 closed

         IDE CONFIGURATION

  Setting       J52        J53

  Enabled     Closed      Closed

  Disabled     Open        Open

                 PARALLEL PORT CONFIGURATION

         LPT                 J39                  J40

        LPT1           pins 2 & 3 closed   pins 1 & 2 closed

        LPT2           pins 1 & 2 closed   pins 1 & 2 closed

        LPT3           pins 1 & 2 closed   pins 2 & 3 closed

      Disabled         pins 2 & 3 closed   pins 2 & 3 closed

                         SERIAL PORT CONFIGURATION

    Port 1          Port 2          J41            J42           J43

     COM1            COM2        pins 1 & 2     pins 1 & 2    pins 1 & 2
                                   closed        closed         closed

     COM1          Disabled      pins 1 & 2     pins 2 & 3    pins 1 & 2
                                   closed        closed         closed

   Disabled          COM2        pins 1 & 2     pins 1 & 2    pins 2 & 3
                                   closed        closed         closed

     COM2            COM1        pins 2 & 3     pins 1 & 2    pins 1 & 2
                                   closed        closed         closed

     COM2          Disabled      pins 2 & 3     pins 2 & 3    pins 1 & 2
                                   closed        closed         closed

   Disabled          COM1        pins 2 & 3     pins 1 & 2    pins 2 & 3
                                   closed        closed         closed

   Disabled        Disabled      pins 1 & 2     pins 2 & 3    pins 2 & 3
                                   closed        closed         closed

   Disabled        Disabled      pins 2 & 3     pins 2 & 3    pins 2 & 3
                                   closed        closed         closed

  SERIAL PORT IRQ CONFIGURATION

    IRQ        J30        J31

   IRQ3      Closed       Open

   IRQ4       Open       Closed

                  ON BOARD VGA CONFIGURATION

       Setting               J15                  J26

       Enabled               Open          pins 1 & 2 closed

      Disabled              Closed         pins 2 & 3 closed

                   VGA REFRESH CONFIGURATION (800 X 600)

          Setting                   SW1/3                   SW1/4

             50Hz                   Off                     Off

              56Hz                    On                     On

              60Hz                   Off                     On

              72Hz                    On                     Off

                  VGA REFRESH CONFIGURATION (1024 X 728)

            Setting                    SW1/1                 SW1/2

            Interlaced                 Off                   Off

                60Hz                     On                   Off

                70Hz                    Off                   On

             Interlaced                  On                   On

                      VRAM CONFIGURATION

        Size                Bank 0               Bank 1

        512KB           (4) 256K x 16             NONE

         1MB            (4) 256K x 16        (4) 256K x 16

  Note: Bank 0 is factory installed and is not configurable.

                   VRAM SWITCH CONFIGURATION

             Size                           SW1/6

             512KB                            On

              1MB                            Off

  Note: Bank 0 is factory installed and is not configurable.

