AMPTRON INTERNATIONAL. INC.

DX-8100C

Processor        80486SX/80487SX/80486DX/80486DX2
Processor Speed  20/25/33/50(internal)/50/66(internal)/MHz
Chip Set         Hint
Max. Onboard DRAM128MB
Cache            64/128/256KB
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      32-bit VESA local bus slots (2)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  External battery            JP2       Speaker                   JP27

  Reset switch               JP24       Turbo LED                 JP23

  Turbo switch               JP25       32-bit VESA Local       SL1, SL2
                                        bus slots

  Keylock                    JP26

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Enable on board battery                 JP4             Closed

      Enable external battery                 JP4              Open

  »   Factory configured - do not             JP9             Closed
      alter

  »   Factory configured - do not             JP15            Closed
      alter

  »   Monitor type select color               JP16            Closed

      Monitor type select monochrome          JP16             Open

  »   CPU speed select 50MHz                  JP17          pins 1 & 2
                                                              closed

      CPU speed select 33MHz                  JP17          pins 2 & 3
                                                              closed

              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

      64MB        (4) 16M x 9        NONE

      65MB        (4) 256K x 9   (4) 16M x 9

      65MB        (4) 16M x 9    (4) 256K x 9

      68MB        (4) 1M x 9     (4) 16M x 9

      68MB        (4) 16M x 9     (4) 1M x 9

      80MB        (4) 16M x 9     (4) 4M x 9

      80MB        (4) 4M x 9     (4) 16M x 9

     128MB        (4) 16M x 9    (4) 16M x 9

                    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

              CACHE JUMPER CONFIGURATION

  Size       JP5        JP6        JP7         JP8

  64KB      Open        Open       Open       Open

  128KB    Closed       Open       Open      Closed

  256KB    Closed      Closed     Closed     Closed

                    CACHE JUMPER CONFIGURATION (CON'T)

      Size              JP12               JP13               JP14

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

      128KB           pins 2 & 3        pins 2 & 3      pins 1 & 2 closed
                       closed             closed

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

                          CPU TYPE CONFIGURATION

     CPU Type             JP20               JP21              JP22

      80486SX             Open            pins 2 & 3           Open
                                            closed

      80487SX           pins 2 & 3        pins 1 & 2          Closed
                         closed             closed

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

     80486DX2           pins 1 & 2        pins 1 & 2          Closed
                         closed             closed

              VESA WAIT STATE/BUS SPEED CONFIGURATION

    CPU speed      Wait states          JP10            JP11

     < 33MHz      0 wait states         Open            Open

     > 33MHz       1 wait state        Closed          Closed

                   CLOCK CHIP CONFIGURATION

        Speed                JP18                JP19

        33MHz          pins 1 & 2 closed   pins 2 & 3 closed

        50MHz          pins 3 & 4 closed   pins 1 & 2 closed