
DTK COMPUTER, INC.

PKM-0033S (VER. 1.03)

Processor  AM486/UMCU5SX/80486SX/SL80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/(SL)AM486DX2(WB)/(SL)AM486DX2(WT)/
           80486DX2/SL80486DX2/(SL)AM486DX4(WB)/(SL)AM486DX4(WT)/ AM486DX4/ 80486DX4/CXM1SC(WB)/CXM1SC(WT)/P24D/P24T
Processor  20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/
Speed      100(internal)/120(internal)/133(internal)MHz
Chip Set   Unidentified
Video Chip None
Set
Maximum    128MB
Onboard
Memory
Maximum    None
Video
Memory
Cache      64/128/256/512/1024KB
BIOS       Award
Dimensions 250mm x 220mm
I/O        32-bit PCI slots (4), floppy drive interface, game interface, green PC connector, IDE interfaces (2),
Options    parallel port, serial ports (2)
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Reset switch                J1       IDE interface 1            J12

  Turbo LED                   J2       IDE interface 2            J13

  Power LED & keylock         J3       Serial port 1              J14

  Speaker                     J4       Serial port 2              J15

  Turbo switch                J5       Game interface             J16

  Green PC connector          J6       Parallel port              J17

  IDE interface LED           J7       Floppy drive               J18
                                       interface

  External battery            J8       32-bit PCI slots         PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Turbo enabled                            J5           Pins 2 & 3
                                                              closed

      Turbo disabled                           J5           Pins 1 & 2
                                                              closed

     Monitor type select color               JP33            Closed

      Monitor type select monochrome          JP33             Open

     CMOS memory normal operation            JP38          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP38          Pins 2 & 3
                                                              closed

     Parallel port IRQ select IRQ7           JP51          Pins 1 & 2
                                                              closed

      Parallel port IRQ select IRQ5           JP51          Pins 2 & 3
                                                              closed

                            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

     2MB         (1) 512K x       None           None            None
                    36

     4MB         (1) 256K x     (1) 256K x     (1) 512K x        None
                    36             36             36

     4MB         (1) 512K x     (1) 512K x       None            None
                    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

     6MB         (1) 512K x    (1) 1M x 36       None            None
                    36

     8MB         (1) 256K x     (1) 256K x     (1) 512K x    (1) 1M x 36
                    36             36             36

     8MB         (1) 512K x     (1) 512K x    (1) 1M x 36        None
                    36             36

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

     8MB        (1) 2M x 36       None           None            None

     10MB        (1) 256K x     (1) 256K x    (1) 1M x 36    (1) 1M x 36
                    36             36

     12MB        (1) 512K x     (1) 512K x    (1) 1M x 36    (1) 1M x 36
                    36             36

     12MB       (1) 1M x 36    (1) 1M x 36    (1) 1M x 36        None

     12MB       (1) 1M x 36    (1) 2M x 36       None            None

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

     16MB       (1) 2M x 36    (1) 2M x 36       None            None

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

                        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

     18MB         (1) 256K x     (1) 256K x    (1) 4M x 36       None
                     36             36

     18MB         (1) 512K x    (1) 4M x 36       None           None
                     36

     20MB         (1) 512K x     (1) 512K x    (1) 4M x 36       None
                     36             36

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

     20MB        (1) 1M x 36    (1) 2M x 36    (1) 2M x 36       None

     24MB         (1) 512K x     (1) 512K x    (1) 1M x 36   (1) 4M x 36
                     36             36

     24MB        (1) 1M x 36    (1) 1M x 36    (1) 4M x 36       None

     24MB        (1) 2M x 36    (1) 2M x 36    (1) 2M x 36       None

     24MB        (1) 1M x 36    (1) 1M x 36    (1) 2M x 36   (1) 2M x 36

     24MB        (1) 2M x 36    (1) 4M x 36       None           None

     28MB        (1) 1M x 36    (1) 2M x 36    (1) 2M x 36   (1) 2M x 36

     32MB        (1) 4M x 36    (1) 4M x 36       None           None

     32MB        (1) 8M x 36       None           None           None

     32MB        (1) 2M x 36    (1) 2M x 36    (1) 4M x 36       None

     32MB        (1) 2M x 36    (1) 2M x 36    (1) 2M x 36   (1) 2M x 36

     36MB         (1) 512K x     (1) 512K x    (1) 4M x 36   (1) 4M x 36
                     36             36

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

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

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

     40MB        (1) 1M x 36    (1) 1M x 36    (1) 8M x 36       None

     40MB        (1) 2M x 36    (1) 2M x 36    (1) 2M x 36   (1) 4M x 36

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

     48MB        (1) 4M x 36    (1) 8M x 36       None           None

     48MB        (1) 2M x 36    (1) 2M x 36    (1) 4M x 36   (1) 4M x 36

     48MB        (1) 2M x 36    (1) 2M x 36    (1) 8M x 36       None

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

     64MB        (1) 16M x 36      None           None           None

     64MB        (1) 4M x 36    (1) 4M x 36    (1) 8M x 36       None

     64MB        (1) 8M x 36    (1) 8M x 36       None           None

     65MB         (1) 256K x    (1) 16M x 36      None           None
                     36

     68MB        (1) 1M x 36    (1) 16M x 36      None           None

     68MB        (1) 1M x 36    (1) 8M x 36    (1) 8M x 36       None

     72MB        (1) 1M x 36    (1) 1M x 36     (1) 16M x        None
                                                   36

     72MB        (1) 1M x 36    (1) 1M x 36    (1) 8M x 36   (1) 8M x 36

     80MB        (1) 4M x 36    (1) 16M x 36      None           None

     80MB        (1) 4M x 36    (1) 8M x 36    (1) 8M x 36       None

     80MB        (1) 2M x 36    (1) 2M x 36    (1) 8M x 36   (1) 8M x 36

     96MB        (1) 4M x 36    (1) 4M x 36     (1) 16M x        None
                                                   36

     96MB        (1) 4M x 36    (1) 4M x 36    (1) 8M x 36   (1) 8M x 36

     96MB        (1) 8M x 36    (1) 8M x 36    (1) 8M x 36       None

     128MB       (1) 16M x 36   (1) 16M x 36      None           None

     128MB       (1) 8M x 36    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

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

     128KB        (4) 32K x 8        None        Unidentified

   256KB (A)      (4) 32K x 8     (4) 32K x 8    Unidentified

   256KB (B)      (4) 64K x 8        None        Unidentified

   512KB (A)      (4) 64K x 8     (4) 64K x 8    Unidentified

   512KB (B)     (4) 128K x 8        None        Unidentified

      1MB        (4) 128K x 8    (4) 128K x 8    Unidentified

                        CACHE JUMPER CONFIGURATION

      Size           JP19          JP24           JP25           JP26

      64KB          1 & 2          1 & 2          Open           Open

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

   256KB (A)        1 & 2          2 & 3          Open          2 & 3

   256KB (B)        1 & 2          2 & 3          Open       1 & 2, 3 & 4

   512KB (A)        2 & 3          2 & 3          Open       2 & 3, 4 & 5

   512KB (B)        2 & 3          2 & 3         1 & 2       1 & 2, 4 & 5

      1MB           2 & 3          2 & 3         2 & 3       2 & 3, 4 & 5

  Note: Pins designated should be in the closed position.

                         TAG JUMPER CONFIGURATION

    Size          JP20            JP21           JP22           JP27

    64KB        Pins 1 & 2     Pins 2 & 3     Pins 1 & 2      Pins 2 & 3
                 closed          closed         closed         closed

    128KB       Pins 2 & 3     Pins 1 & 2     Pins 1 & 2      Pins 2 & 3
                 closed          closed         closed         closed

  256KB (A)     Pins 2 & 3     Pins 2 & 3     Pins 2 & 3      Pins 2 & 3
                 closed          closed         closed         closed

  256KB (B)     Pins 2 & 3     Pins 1 & 2     Pins 2 & 3      Pins 2 & 3
                 closed          closed         closed         closed

  512KB (A)     Pins 2 & 3     Pins 2 & 3     Pins 2 & 3      Pins 2 & 3
                 closed          closed         closed         closed

  512KB (B)     Pins 2 & 3     Pins 1 & 2     Pins 2 & 3      Pins 1 & 2
                 closed          closed         closed         closed

     1MB        Pins 2 & 3     Pins 2 & 3     Pins 2 & 3      Pins 1 & 2
                 closed          closed         closed         closed

                       CPU SPEED SELECTION

   Speed       JP3       JP18        S1         S2         S3

   20MHz      1 & 2      1 & 2      Open       Open       Open

   25MHz      1 & 2      1 & 2     Closed      Open       Open

   33MHz      1 & 2      1 & 2     Closed     Closed     Closed

   40MHz      1 & 2      1 & 2     Closed     Closed      Open

  50iMHz      1 & 2      1 & 2     Closed      Open       Open

   50MHz      2 & 3      1 & 2      Open       Open      Closed

  66iMHz      1 & 2      1 & 2     Closed     Closed     Closed

  75iMHz      1 & 2      1 & 2     Closed      Open       Open

                   CPU SPEED SELECTION (CONT)

   Speed       JP3       JP18        S1         S2         S3

  80iMHz      1 & 2      1 & 2     Closed     Closed      Open

  83iMHz      1 & 2      1 & 2     Closed     Closed     Closed

  100iMHz     1 & 2      1 & 2     Closed     Closed     Closed

  120iMHz     1 & 2      1 & 2     Closed     Closed      Open

  133iMHz     1 & 2      1 & 2     Closed     Closed     Closed

  Note: Pins designated should be in the closed position.

                            CPU TYPE SELECTION

        Type            JP4        JP5        JP6        JP7        JP8

        AM486           Open      1 & 2      1 & 2      1 & 2      1 & 2

      UMC U5SX          Open       Open      2 & 3      Open       2 & 3

       80486SX          Open       Open      Open       Open       2 & 3

      SL80486SX         Open       Open      1 & 2      Open       2 & 3

       CX486DX          Open       Open      1 & 2      2 & 3      2 & 3

       AM486DX          Open      2 & 3      1 & 2      1 & 2      2 & 3

       80486DX          Open       Open      Open       Open       2 & 3

      CX486DX2          Open       Open      1 & 2      2 & 3      2 & 3

      AM486DX2          Open      2 & 3      1 & 2      1 & 2      2 & 3

  (SL)AM486DX2 (WB)     Open      1 & 2      1 & 2      1 & 2      2 & 3

  (SL)AM486DX2 (WT)     Open      2 & 3      1 & 2      1 & 2      2 & 3

      80486DX2          Open       Open      Open       Open       2 & 3

     SL80486DX2         Open       Open      1 & 2      1 & 2      2 & 3

  (SL)AM486DX4 (WB)     Open      1 & 2      1 & 2      1 & 2      2 & 3

  (SL)AM486DX4 (WT)     Open      2 & 3      1 & 2      1 & 2      2 & 3

      AM486DX4          Open      1 & 2      1 & 2      1 & 2      2 & 3

      80486DX4          Open      1 & 2      1 & 2      1 & 2      2 & 3

    CX M1SC (WB)        Open      1 & 2      1 & 2      1 & 2      1 & 2

    CX M1SC (WT)        Open      2 & 3      1 & 2      1 & 2      1 & 2

        P24D            Open       Open      1 & 2      1 & 2      2 & 3

        P24T            Open       Open      1 & 2      1 & 2      1 & 2

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

       Type             JP9           JP11         JP12          JP13

       AM486         Pins 2 & 3    Pins 1 & 2    Pins 2 & 3    Pins 4 & 5
                       closed        closed       closed        closed

     UMC U5SX           Open          Open         Open          Open

      80486SX           Open          Open         Open          Open

     SL80486SX       Pins 2 & 3       Open       Pins 1 & 2    Pins 4 & 5
                       closed                     closed        closed

      CX486DX        Pins 1 & 2       Open         Open        Pins 2 & 3
                       closed                                   closed

      AM486DX        Pins 2 & 3       Open       Pins 1 & 2    Pins 4 & 5
                       closed                     closed        closed

      80486DX           Open          Open         Open          Open

     CX486DX2        Pins 1 & 2       Open         Open        Pins 2 & 3
                       closed                                   closed

     AM486DX2        Pins 2 & 3       Open       Pins 1 & 2    Pins 4 & 5
                       closed                     closed        closed

    (SL)AM486DX2     Pins 2 & 3       Open       Pins 1 & 2    Pins 4 & 5
       (WB)            closed                     closed        closed

    (SL)AM486DX2     Pins 2 & 3       Open       Pins 1 & 2    Pins 4 & 5
       (WT)            closed                     closed        closed

     80486DX2           Open          Open         Open          Open

    SL80486DX2       Pins 2 & 3       Open       Pins 1 & 2    Pins 4 & 5
                       closed                     closed        closed

    (SL)AM486DX4     Pins 2 & 3       Open       Pins 1 & 2    Pins 4 & 5
       (WB)            closed                     closed        closed

    (SL)AM486DX4     Pins 2 & 3       Open       Pins 1 & 2    Pins 4 & 5
       (WT)            closed                     closed        closed

     AM486DX4        Pins 2 & 3       Open       Pins 1 & 2    Pins 4 & 5
                       closed                     closed        closed

     80486DX4        Pins 2 & 3       Open       Pins 1 & 2    Pins 4 & 5
                       closed                     closed        closed

   CX M1SC (WB)      Pins 2 & 3    Pins 1 & 2    Pins 2 & 3    Pins 4 & 5
                       closed        closed       closed        closed

   CX M1SC (WT)      Pins 2 & 3    Pins 1 & 2    Pins 2 & 3    Pins 4 & 5
                       closed        closed       closed        closed

       P24D          Pins 2 & 3       Open       Pins 1 & 2    Pins 4 & 5
                       closed                     closed        closed

       P24T          Pins 2 & 3       Open         Open        Pins 1 & 2
                       closed                                   closed

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

        Type             JP14         JP15          JP16         JP17

        AM486          1 & 2, 3 &     3 & 4      1 & 2, 3 &      Open
                           4                         4

      UMC U5SX         1 & 2, 3 &   1 & 2, 3 &      Open         3 & 4
                           4            4

       80486SX           2 & 3        Open          Open         Open

      SL80486SX          2 & 3        Open         3 & 4         Open

       CX486DX         1 & 2, 3 &     3 & 4        2 & 3         2 & 3
                           4

       AM486DX         1 & 2, 3 &     3 & 4        3 & 4         Open
                           4

       80486DX         1 & 2, 3 &     3 & 4         Open         Open
                           4

      CX486DX2         1 & 2, 3 &     3 & 4        2 & 3         2 & 3
                           4

      AM486DX2         1 & 2, 3 &     3 & 4        3 & 4         Open
                           4

  (SL)AM486DX2 (WB)    1 & 2, 3 &     3 & 4        3 & 4         Open
                           4

  (SL)AM486DX2 (WT)    1 & 2, 3 &     3 & 4        3 & 4         Open
                           4

      80486DX2         1 & 2, 3 &     3 & 4         Open         Open
                           4

     SL80486DX2        1 & 2, 3 &     3 & 4        3 & 4         Open
                           4

  (SL)AM486DX4 (WB)    1 & 2, 3 &     3 & 4        3 & 4         Open
                           4

  (SL)AM486DX4 (WT)    1 & 2, 3 &     3 & 4        3 & 4         Open
                           4

      AM486DX4         1 & 2, 3 &     3 & 4        3 & 4         Open
                           4

      80486DX4         1 & 2, 3 &     3 & 4        3 & 4         Open
                           4

    CX M1SC (WB)       1 & 2, 3 &     3 & 4        1 & 2         Open
                           4

    CX M1SC (WT)       1 & 2, 3 &     3 & 4        1 & 2         Open
                           4

        P24D           1 & 2, 3 &     3 & 4        3 & 4         Open
                           4

        P24T           1 & 2, 3 &     2 & 3        3 & 4         1 & 2
                           4

  Note: Pins designated should be in the closed position.

   CPU MULTIPLIER SELECTION (DX4 ONLY)

     Multiplier              JP10

         2x           Pins 2 & 3 closed

         3x                  Open

                           CPU VOLTAGE SELECTION

     Voltage              S4                 S5                 S6

       3.3v            Pins 1 & 2           Open               Open
                        closed

      3.45v              Open            Pins 1 & 2            Open
                                           closed

       3.6v              Open               Open            Pins 1 & 2
                                                              closed

        4v               Open               Open               Open

        5v             Pins 2 & 3        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

                           DMA CHANNEL SELECTION

     Channel           JP36          JP37          JP52          JP53

       Printer        Open          Open       Pins 1 & 2    Pins 1 & 2
                                                  closed        closed

           1        Pins 1 & 3    Pins 1 & 3    Pins 1 & 2    Pins 1 & 2
                      closed        closed        closed        closed

           3        Pins 2 & 4    Pins 2 & 4    Pins 1 & 2    Pins 1 & 2
                      closed        closed        closed        closed

                           FLASH BIOS SELECTION

          Setting                    JP34                   JP35

            EPROM            Pins 2 & 3 closed       Pins 2 & 3 closed

            5v flash          Pins 2 & 3 closed       Pins 1 & 2 closed

           12v flash          Pins 1 & 2 closed       Pins 1 & 2 closed

