
DTK COMPUTER, INC.

PKM-0062S (VER. 1.00)

Processor       80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed 20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set        SIS
Max. Onboard    64MB
DRAM
Cache           64/128/256KB
BIOS            Unidentified
Dimensions      330mm x 215mm
I/O Options     32-bit VESA local bus slot, floppy drive interface, game
                port, 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

  Power LED & keylock          J1       VGA port                  J10

  IDE interface LED            J2       Parallel port             J11

  Turbo LED                    J3       Serial port 1             J12

  Turbo switch                 J4       Serial port 2             J13

  Reset switch                 J5       PS/2 mouse port           J14

  IDE interface                J6       External battery          J17

  Floppy drive interface       J7       Riser slot                SL1

  VGA feature connector        J8       32-bit VESA local         SL2
                                        bus slot

  Game interface               J9

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Fast A20 enabled                        JP18          pins 1 & 2
                                                              closed

      Keyboard A20 enabled                    JP18          pins 2 & 3
                                                              closed

     VESA card select any card               JP19            Closed
      installed

      VESA card select special card           JP19             Open
      installed

     VESA IRQ9 disabled                      JP20             Open

      VESA IRQ9 enabled                       JP20            Closed

     On board VGA enabled                    JP23            Closed

      On board VGA disabled                   JP23             Open

     Parallel port IRQ select IRQ7           JP31          pins 1 & 2
                                                              closed

      Parallel port IRQ select IRQ5           JP31          pins 2 & 3
                                                              closed

     Game interface enabled                  JP32            Closed

      Game interface disabled                 JP32             Open

     Battery type select external            JP33          pins 1 & 2
                                                              closed

      Battery type select internal            JP33          pins 2 & 3
                                                              closed

     Monitor type select color               JP34            Closed

      Monitor type select monochrome          JP34             Open

      CPU type select PGA                     JP35            Closed

      CPU type select PQFP                    JP35             Open

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (1) 256K x        NONE           NONE           NONE
                    36

     2MB        (1) 256K x     (1) 256K x        NONE           NONE
                    36             36

     3MB        (1) 256K x     (1) 256K x     (1) 256K x        NONE
                    36             36             36

     4MB        (1) 256K x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     4MB       (1) 1M x 36        NONE           NONE           NONE

     5MB        (1) 256K x    (1) 1M x 36        NONE           NONE
                    36

     6MB        (1) 256K x     (1) 256K x    (1) 1M x 36        NONE
                    36             36

     7MB        (1) 256K x     (1) 256K x     (1) 256K x     (1) 1M x 36
                    36             36             36

     8MB       (1) 1M x 36    (1) 1M x 36        NONE           NONE

     9MB        (1) 256K x    (1) 1M x 36    (1) 1M x 36        NONE
                    36

     16MB      (1) 1M x 36    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1        Bank 2         Bank 3

     16MB       (1) 4M x 36        NONE          NONE           NONE

     17MB        (1) 256K x     (1) 4M x 36      NONE           NONE
                     36

     20MB       (1) 1M x 36     (1) 4M x 36      NONE           NONE

     36MB       (1) 1M x 36     (1) 4M x 36   (1) 4M x 36       NONE

     37MB        (1) 256K x     (1) 1M x 36   (1) 4M x 36    (1) 4M x 36
                     36

     40MB       (1) 1M x 36     (1) 1M x 36   (1) 4M x 36    (1) 4M x 36

     48MB       (1) 4M x 36     (1) 4M x 36   (1) 4M x 36       NONE

     64MB       (1) 4M x 36     (1) 4M x 36   (1) 4M x 36    (1) 4M x 36

                            CACHE CONFIGURATION

     Size        Bank 0        Bank 1        TAG (U9)        TAG (U10)

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

    128KB       (4) 32K x       NONE        (1) 8K x 8      (1) 8K x 8
                    8

    256KB       (4) 32K x     (4) 32K x     (1) 16K or     (1) 16K or (1)
                    8            8         (1) 32K x 8        32K x 8

                        CACHE JUMPER CONFIGURATION

    Size      JP1       JP2      JP3      JP4      JP5      JP6     JP7

    64KB     2 & 3     Open     1 & 2    1 & 2    1 & 2    1 & 2    1 & 2

   128KB     1 & 2     1 & 2    2 & 3    1 & 2    2 & 3    1 & 2    2 & 3

   256KB     2 & 3     2 & 3    2 & 3    2 & 3    2 & 3    2 & 3    2 & 3

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

        Type               JP15              JP16              JP17

       80486SX             Open           pins 2 & 3        pins 2 & 3
                                            closed            closed

       80487SX           pins 1 & 2       pins 1 & 2        pins 1 & 2
                          closed            closed            closed

       80486DX           pins 2 & 3       pins 1 & 2        pins 1 & 2
                          closed            closed            closed

      80486DX2           pins 2 & 3       pins 1 & 2        pins 1 & 2
                          closed            closed            closed

  Pentium Overdrive      pins 1 & 2       pins 1 & 2        pins 1 & 2
                          closed            closed            closed

         CPU SPEED CONFIGURATION

  Speed      JP12      JP13      JP14

  20MHz      Open     Closed    Closed

  25MHz     Closed    Closed     Open

  33MHz     Closed     Open     Closed

  40MHz      Open     Closed     Open

  50iMHz    Closed    Closed     Open

  50MHz      Open      Open     Closed

  66iMHz    Closed     Open     Closed

                        VL BUS SPEED CONFIGURATION

                Setting                              JP8

                 <= 33MHz                      pins 1 & 2 closed

                 > 33MHz                       pins 2 & 3 closed

                      VL BUS WAIT STATE CONFIGURATION

                Setting                               JP9

              0 wait states                    pins 1 & 2 closed

               1 wait state                    pins 2 & 3 closed

                          VESA SLOT CONFIGURATION

           Setting                   JP10                   JP11

       1 master/ 1 slave      pins 1 & 2 closed      pins 1 & 2 closed
              slot

        2 master slots        pins 2 & 3 closed      pins 2 & 3 closed

                  FLOPPY DRIVE CONFIGURATION

       Setting               JP27                 JP28

       Enabled         pins 1 & 2 closed   pins 1 & 2 closed

      Disabled         pins 2 & 3 closed   pins 2 & 3 closed

         IDE CONFIGURATION

  Setting      JP21        JP22

  Enabled     Closed      Closed

  Disabled     Open        Open

                        PARALLEL PORT CONFIGURATION

             LPT                     JP29                   JP30

             LPT1             pins 1 & 2 closed      pins 1 & 2 closed

             LPT2             pins 2 & 3 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         JP24         JP25          JP26

        COM 1         COM 2       pins 1 & 2    pins 1 & 2    pins 1 & 2
                                     closed       closed        closed

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

        COM 2         COM 1       pins 1 & 2    pins 2 & 3    pins 1 & 2
                                     closed       closed        closed

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

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

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

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

              VRAM CONFIGURATION

      Size          Bank 0          Bank 1

     512KB        (4) 256K x 4       NONE

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

