
AMPTRON INTERNATIONAL, INC.

PM-7400

Processor           CX M1/AM K5/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            OPTI
Video Chip Set      None
Maximum Onboard     256MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award
Dimensions          260mm x 220mm
I/O Options         32-bit PCI slots (3), floppy drive interface, EIDE
                    interfaces (2), parallel port, serial ports (2), cache
                    slot, VRM connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 1              CN1       Speaker                    J5C

  Serial port 2              CN2       Reset switch               J5D

  Parallel port              CN3       IDE interface LED          J5E

  Floppy drive interface     CN4       Turbo switch               J5F

  EIDE interface 2           CN5       Turbo LED                  J5G

  EIDE interface 1           CN6       32-bit PCI slots         PC1 - PC3

  External battery           J5A       Cache slot                 SL1

  Power LED & keylock        J5B       VRM connector              VRM

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            J5A           Pins 2 & 3
                                                              closed

      CMOS memory clear                       J5A           Pins 3 & 4
                                                              closed

      Battery type select external            J5A             Closed

     Flash BIOS voltage select EPROM         JP1              Open

      Flash BIOS voltage select 12v           JP1           Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 5v            JP1           Pins 2 & 3
                                                              closed

              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

     128MB        (2) 16M x 36       None

     136MB        (2) 16M x 36   (2) 1M x 36

     144MB        (2) 16M x 36   (2) 2M x 36

     160MB        (2) 16M x 36   (2) 4M x 36

     192MB        (2) 16M x 36   (2) 8M x 36

     256MB        (2) 16M x 36   (2) 16M x 36

  Note: Board accepts EDO memory.

                CACHE CONFIGURATION

           Size                      SL1

          256KB            256KB module installed

          512KB            512KB module installed

                 CPU SPEED SELECTION (CYRIX, CYXXXX CLOCK)

    CPU      Clock    Multiplier      JP3A      JP3B     JP4A      JP4B
  speed      speed

  100MHz     66MHz        2x         Closed    Closed    Open     Closed

  120MHz     60MHz        2x          Open     Closed    Open     Closed

                  CPU SPEED SELECTION (AMD, CYXXXX CLOCK)

    CPU       Clock     Multiplier     JP3A      JP3B     JP4A     JP4B
   speed     speed

  100MHz     66MHz         1.5x       Closed     Open     Open     Open

                 CPU SPEED SELECTION (INTEL, CYXXXX CLOCK)

    CPU      Clock    Multiplier     JP3A      JP3B      JP4A      JP4B
  speed     speed

  75MHz     50MHz        1.5x       Closed    Closed     Open      Open

  90MHz     60MHz        1.5x        Open     Closed     Open      Open

  100MHz    66MHz        1.5x       Closed     Open      Open      Open

  120MHz    60MHz         2x         Open     Closed     Open     Closed

  133MHz    66MHz         2x        Closed     Open      Open     Closed

  150MHz    60MHz        2.5x        Open     Closed    Closed    Closed

  166MHz    66MHz        2.5x       Closed     Open     Closed    Closed

  180MHz    60MHz         3x         Open     Closed    Closed     Open

  200MHz    66MHz         3x        Closed     Open     Closed     Open

                 CPU SPEED SELECTION (CYRIX, WXXXX CLOCK)

    CPU      Clock    Multiplier      JP3A      JP3B     JP4A      JP4B
  speed      speed

  100MHz     66MHz        2x         Closed    Closed    Open     Closed

  120MHz     60MHz        2x         Closed     Open     Open     Closed

                  CPU SPEED SELECTION (AMD, WXXXX CLOCK)

    CPU       Clock     Multiplier    JP3A      JP3B      JP4A     JP4B
   speed     speed

  100MHz     66MHz         1.5x       Open     Closed     Open     Open

                 CPU SPEED SELECTION (INTEL, WXXXX CLOCK)

    CPU      Clock    Multiplier     JP3A      JP3B      JP4A      JP4B
  speed     speed

  75MHz     50MHz        1.5x       Closed    Closed     Open      Open

  90MHz     60MHz        1.5x       Closed     Open      Open      Open

  100MHz    66MHz        1.5x        Open     Closed     Open      Open

  120MHz    60MHz         2x        Closed     Open      Open     Closed

  133MHz    66MHz         2x         Open     Closed     Open     Closed

  150MHz    60MHz        2.5x       Closed     Open     Closed    Closed

  166MHz    66MHz        2.5x        Open     Closed    Closed    Closed

  180MHz    60MHz         3x        Closed     Open     Closed     Open

  200MHz    66MHz         3x         Open     Closed    Closed     Open

                           CPU VOLTAGE SELECTION

               Voltage                                 JP2

                   3.3v                         Pins 2 & 3 closed

                  3.5v                         Pins 1 & 2 closed

