AMPTROM INTERNATIONAL, INC.

DX-9000

Processor        80486SX/80487SX/80486DX/80486DX2
Processor Speed  25/33/40/50(internal)/50/66(internal)/MHz
Chip Set         Hint
Max. Onboard DRAM128MB
Cache            256/1024KB
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      32-bit VESA local bus slots (8)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Reset switch               JP1       Power LED & keylock        JP5

  Turbo LED                  JP3       Speaker                    JP6

  Turbo switch               JP4       32-bit VESA Local bus    S1 - S8
                                       slots

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation            JP17          pins 1 & 2
                                                              closed

      CMOS memory clear                       JP17             Open

  »   Factory configured - do not             JP19          pins 1 & 2
      alter                                                   closed

  »   Factory configured - do not             JP21          pins 2 & 3
      alter                                                   closed

  »   Non P9000 graphics card                 JP22          pins 1 & 2
      installed                                               closed

      P9000 graphics card installed           JP22          pins 2 & 3
                                                              closed

  »   Factory configured - do not             JP23          pins 1 & 2
      alter                                                   closed

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      4MB        (4) 1M x 9       NONE

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

     16MB        (4) 4M x 9       NONE

     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

     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

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

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

                        CACHE JUMPER CONFIGURATION

       Size               JP7                JP9               JP10

      256KB              Open         pins 1 & 2 closed        Open

       1MB              Closed        pins 2 & 3 closed        Open

                          CPU TYPE CONFIGURATION

           Type                     JP11                    JP12

          80486SX             pins 2 & 3 closed             Open

          80487SX              pins 1, 2, 3 & 4       pins 2 & 3 closed
                                   closed

        80486DX/DX2            pins 1, 2, 3 & 4       pins 1 & 2 closed
                                   closed

        CPU SPEED CONFIGURATION

  Speed     SW1/1     SW1/2    SW1/3

  25MHz      Off       Off       On

  33MHz      On        Off      Off

  40MHz      On        On       Off

  50iMHz     Off       Off       On

  50MHz      Off       On       Off

  66iMHz     On        Off      Off

                  VESA WAIT STATE/BUS SPEED CONFIGURATION

  CPU speed     Wait states     JP13 (ID3)    JP14 (ID2)        JP15

   < 33MHz         0 wait          Open          Open         pins 1 & 2
                   states                                      closed

   > 33MHz      1 wait state      Closed        Closed        pins 2 & 3
                                                               closed