
AMPTRON INTERNATIONAL, INC.

P9-640

Processor              80386SX
Processor Speed        25/33MHz
Chip Set               ALI
Video Chip Set         None
Maximum Onboard Memory 16MB
Maximum Video Memory   None
Cache                  None
BIOS                   AMI
Dimensions             220mm x 220mm
I/O Options            None
NPU Options            80387SX

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  External battery          J4         Turbo LED            J8 pins 1 & 2

  Reset switch              J6         Turbo switch         J8 pins 4 & 5

  Speaker                   J7         Power LED &               J9
                                       keylock

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Address delay enabled                  J5             Closed

      Address delay disabled                 J5              Open

      NPU synchronous with CPU              JP2        Pins 1 & 2 closed

      NPU asynchronous with CPU             JP2        Pins 2 & 3 closed

     Factory configured - do not           JP3          Unidentified
      alter

      Monitor type select color             JP4        Pins 2 & 3 closed

      Monitor type select monochrome        JP4        Pins 1 & 2 closed

      Parity check enabled                  JP6             Closed

      Parity check disabled                 JP6              Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

     512KB        (2) 256K x 9       None

      1MB         (2) 256K x 9   (2) 256K x 9

      2MB         (2) 1M x 9         None

      4MB         (2) 1M x 9      (2) 1M x 9

      8MB         (2) 4M x 9         None

      16MB        (2) 4M x 9      (2) 4M x 9

                     CPU SPEED SELECTION

        Speed                JP1                  JP5

        25MHz          Pins 1 & 2 closed   Pins 1 & 2 closed

        33MHz          Pins 2 & 3 closed   Pins 2 & 3 closed

