
AMPTRON INTERNATIONAL, INC.

DX-6800K

Processor  80486SX/80487SX/80486DX/CX486DX2/80486DX2/80486DX4
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   UMC
Max.       64MB
Onboard
DRAM
Cache      64/128/256KB
BIOS       AMI
Dimensions 220mm x 220mm
I/O        32-bit VESA local bus slots (3)
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  External battery            J3       Power LED & keylock         J8

  Reset switch                J4       32-bit VESA Local bus       S1
                                       slot

  Turbo switch                J5       32-bit VESA Local bus       S2
                                       slot

  Turbo LED                   J6       32-bit VESA Local bus       S3
                                       slot

  Speaker                     J7

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation            JP1              Open

      CMOS memory clear                       JP1             Closed

     Address strobe operation normal         JP7           pins 1 & 2
                                                              closed

      Address strobe delay                    JP7           pins 2 & 3
                                                              closed

     Graphic controller Weitek Power         JP19          pins 1 & 2
      9000 not installed                                      closed

      Graphic controller Weitek Power         JP19          pins 2 & 3
      9000 installed                                          closed

     Factory configured - do not             JP20             Open
      alter

     Double sided (double RAS) SIMM      JP21 & JP22       pins 1 & 2
      module installed                                        closed

      16M x 36 (four RAS) SIMM module     JP21 & JP22       pins 2 & 3
      installed                                               closed

     Factory configured - do not             JP24             Open
      alter

  Note:16M x 36 can only be installed in bank 0.

                            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

     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) 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) 512K x   (1) 1M x 36        NONE           NONE
                    36

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

     7MB         (1) 256K x    (1) 512K x    (1) 1M x 36        NONE
                    36             36

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

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

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

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

     9MB        (1) 2M x 36    (1) 256K x        NONE           NONE
                                   36

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

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

     13MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36    (1) 256K x 36

     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

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

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

     19MB       (1) 4M x 36    (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

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

     21MB       (1) 4M x 36   (1) 1M x 36     (1) 256K x        NONE
                                                  36

     22MB       (1) 4M x 36   (1) 1M x 36     (1) 256K x    (1) 256K x 36
                                                  36

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

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

                        DRAM CONFIGURATION (CON'T)

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     33MB       (1) 4M x 36   (1) 4M x 36     (1) 256K x        NONE
                                                  36

     33MB       (1) 8M x 36    (1) 256K x        NONE           NONE
                                   36

     34MB       (1) 4M x 36   (1) 4M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     34MB       (1) 8M x 36    (1) 512K x        NONE           NONE
                                   36

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

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

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

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

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

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

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

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

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

                          CPU TYPE CONFIGURATION

       Type                JP15              JP16              JP17

       486SX            pins 2 & 3           Open              Open
                          closed

       487SX          pins 1 & 2, 3 &      pins 2 & 3          Open
                         4 closed           closed

       486DX          pins 1 & 2, 3 &      pins 1 & 2          Open
                         4 closed           closed

     Cx486DX2         pins 1 & 2, 3 &      pins 1 & 2         Closed
                         4 closed           closed

      486DX2          pins 1 & 2, 3 &      pins 1 & 2          Open
                         4 closed           closed

      486DX4          pins 1 & 2, 3 &      pins 1 & 2          Open
                         4 closed           closed

                          CPU SPEED CONFIGURATION

  CPU clock    CPU frequency        JP8            JP9           JP10

    25MHz         25, 50I,       pins 2 & 3     pins 1 & 2    pins 2 & 3
                   75iMHz          closed        closed         closed

    33MHz         33, 66I,       pins 2 & 3     pins 2 & 3    pins 1 & 2
                  100iMHz          closed        closed         closed

    40MHz          40MHz         pins 1 & 2     pins 1 & 2    pins 2 & 3
                                   closed        closed         closed

    50MHz       50, 100iMHz      pins 1 & 2     pins 2 & 3    pins 1 & 2
                                   closed        closed         closed

                         CPU VOLTAGE CONFIGURATION

       Select               P1                P2                P3

  5V (for all other      pins 1 & 2        pins 1 & 2        pins 1 & 2
        CPUs              closed            closed            closed

      3.3V (for          pins 2 & 3        pins 2 & 3        pins 2 & 3
      80486DX4)           closed            closed            closed

                          80486DX4 CONFIGURATION

   CPU Clock         Multiplier           Frequency            JP18

     25MHz                3                75iMHz              Open

     33MHz                3                100iMHz             Open

     50MHz                2                100iMHz           pins 2 & 3
                                                              closed

  Note:If using a CPU other than a 80486DX4, the settings for JP18 are do
  not matter.

                        CACHE JUMPER CONFIGURATION

    Size         JP2        JP3          JP4          JP5          JP6

    64KB       pins 1 &   pins 1 &      Open         Open        Closed
                  2          2

    128KB      pins 2 &   pins 2 &      Open        Closed       Closed
                  3          3

    256KB      pins 1 &   pins 1 &     Closed       Closed       Closed
                  2          2

  VESA CPU TYPE (ID0 &AMP; ID1) CONFIGURATION

   CPU speed      JP13 (ID2)      JP14 (ID3)

  < or = 33MHz      Closed           Open

    > 33MHz          Open           Closed

