
AMPTRON INTERNATIONAL, INC.

PM-7500C

Processor                Pentium
Processor Speed          75/90/100/120/133MHz
Chip Set                 Intel
Video Chip Set           None
Maximum Onboard Memory   128MB (EDO supported)
Maximum Video Memory     None
Cache                    256/512KB
BIOS                     Award
Dimensions               254mm x 218mm
I/O Options              32-bit PCI slots (3), floppy drive interface, IDE
                         interfaces (2), parallel port, serial ports (2)
NPU Options              None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 2              CN1       Chassis fan power          J23

  Serial port 1              CN2       Speaker                    JP25

  Floppy drive interface     CN3       Power LED & keylock        JP26

  Parallel port              CN4       Reset switch               JP27

  IDE interface 2            CN5       IDE interface LED          JP28

  IDE interface 1            CN6       32-bit PCI slots         PC1  PC3

  External battery            J4

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     CMOS memory normal operation          J4         Pins 2 & 3 closed

      CMOS memory clear                     J4         Pins 3 & 4 closed

      Battery type select external          J4              Closed

      Flash BIOS voltage select 12v         JP4             Closed

      Flash BIOS voltage select 5v          JP4              Open

     Factory configured - do not           JP9          Unidentified
      alter

     Factory configured - do not          JP10          Unidentified
      alter

                            DRAM CONFIGURATION

          Size                    Bank 0                   Bank 1

           8MB                 (2) 1M x 36                  None

          16MB                 (2) 2M x 36                  None

          16MB                 (2) 1M x 36              (2) 1M x 36

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

          32MB                 (2) 4M x 36                  None

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

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

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

          64MB                 (2) 8M x 36                  None

          64MB                 (2) 4M x 36              (2) 4M x 36

          72MB                 (2) 8M x 36              (2) 1M x 36

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

          96MB                 (2) 8M x 36              (2) 4M x 36

          128MB                (2) 8M x 36              (2) 8M x 36

  Note: Board accepts EDO memory. The location of the banks is
  unidentified.

                       CACHE CONFIGURATION

         Size                Bank 0                  TAG

        256KB              (8) 32K x 8       (1) 8K/16K/32K x 8

        512KB              (8) 64K x 8         (1) 16K/32K x 8

        CACHE JUMPER CONFIGURATION

        Size                  J9

        256KB         Pins 1 & 2 closed

        512KB         Pins 2 & 3 closed

       CACHE VOLTAGE CONFIGURATION

       Voltage               J10

        3.3v          Pins 1 & 2 closed

         5v           Pins 2 & 3 closed

                            CPU SPEED SELECTION

   CPU      Clock    Multiplier   JP3    JP5A     JP5B     JP11A    JP11B
  speed    speed

  75MHz    50MHz       1.5x       1 &   Closed    Closed   Open     Open
                                   2

  90MHz    60MHz       1.5x       2 &    Open     Closed   Open     Open
                                   3

  100MHz   66MHz       1.5x       2 &   Closed    Open     Open     Open
                                   3

  120MHz   60MHz        2x        2 &    Open     Closed   Closed   Open
                                   3

  133MHz   66MHz        2x        2 &   Closed    Open     Closed   Open
                                   3

  Note: Pins designated should be in the closed position. The orientation
  of A & B on JP11 is unidentified.

          CPU VOLTAGE SELECTION

       Voltage               JP6

        3.3v          Pins 2 & 3 closed

        3.5v          Pins 1 & 2 closed

                    DMA CHANNEL SELECTION

       Channel               JP1                  JP2

          1            Pins 1 & 2 closed   Pins 1 & 2 closed

          2            Pins 2 & 3 closed   Pins 2 & 3 closed

