
PC CHIPS MANUFACTURING, LTD.

M715

Device Type              Mainboard
Processor                Pentium II
Processor Speed          233/266/275/333MHz
Chip Set                 Intel 440LX
Video Chip Set           None
Maximum Onboard Memory   256MB (EDO & SDRAM supported)
Maximum Video Memory     None
Cache                    256/512KB
BIOS                     Unidentified
I/O Options              32-bit PCI slots (3), game/sound connector, Audio
                         in - CD-ROM (2), floppy drive interface, IDE
                         interfaces (2), parallel port, PS/2 mouse port,
                         serial ports (2), AGP slot, ATX power connector,
                         ATX form card connector, green PC connector

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  AGP slot                 AGP         Speaker              J5/pins 1, 3,
                                                                5, 7

  ATX power                ATX         Power LED &          J5/pins 2, 4,
  connector                            keylock                6, 8, 10

  Audio in - CD-ROM        CD1         IDE interface        J5/pins 15 &
                                       LED                       16

  Audio in - CD-ROM        CD2         Reset switch         J5/pins 17 &
                                                                 18

  Serial port 1            CN1         Green PC             J5/pins 19 &
                                       connector                 20

  Serial port 2            CN2         Chassis fan               J6
                                       connector

  IDE interface 1          CN3         CPU fan                   J7
                                       connector

  IDE interface 2          CN4         Game/sound                J9
                                       connector

  Parallel port            CN5         Digital audio in         J10

  Floppy drive             CN6         Digital audio            J11
  interface                            out

  PS/2 mouse                J1         32-bit PCI slots      PC1 - PC3
  interface

  ATX form card             J3         PS/2 mouse port          PS2
  connector

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Sound pro selector enabled              JP1              Open

      Sound pro selector disabled             JP1             Closed

      Standard microphone selected            JP2              Open

      Special microphone selected             JP2             Closed

     CMOS memory normal operation            JP4           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP4           Pins 2 & 3
                                                              closed

                SIMM CONFIGURATION

      Size            Bank 0           Bank 1

       8MB         (2) 1MB x 32         None

      16MB         (2) 1MB x 32     (2) 1MB x 32

      16MB         (2) 2MB x 32         None

      24MB         (2) 2MB x 32     (2) 1MB x 32

      32MB         (2) 2MB x 32     (2) 2MB x 32

      32MB         (2) 4MB x 32         None

      40MB         (2) 4MB x 32     (2) 1MB x 32

      48MB         (2) 4MB x 32     (2) 2MB x 32

      64MB         (2) 4MB x 32     (2) 4MB x 32

      64MB         (2) 8MB x 32         None

      72MB         (2) 8MB x 32     (2) 1MB x 32

      80MB         (2) 8MB x 32     (2) 2MB x 32

      96MB         (2) 8MB x 32     (2) 4MB x 32

      128MB        (2) 8MB x 32     (2) 8MB x 32

      128MB       (2) 16MB x 32         None

      136MB       (2) 16MB x 32     (2) 1MB x 32

      144MB       (2) 16MB x 32     (2) 2MB x 32

                        SIMM CONFIGURATION (CONT.)

          Size                    Bank 0                   Bank 1

          160MB               (2) 16MB x 32             (2) 4MB x 32

          192MB               (2) 16MB x 32             (2) 8MB x 32

          256MB               (2) 16MB x 32            (2) 16MB x 32

  Note: It is not recommended that SIMMS and DIMMS be used together. If
  they are, use single-sided memory, and Bank 0 must be paired with Bank
  2, and Bank 1 with Bank 3.

                DIMM CONFIGURATION

      Size            Bank 2           Bank 3

       8MB         (1) 1MB x 64         None

      16MB         (1) 1MB x 64     (1) 1MB x 64

      16MB         (1) 2MB x 64         None

      24MB         (1) 2MB x 64     (1) 1MB x 64

      32MB         (1) 2MB x 64     (1) 2MB x 64

      32MB         (1) 4MB x 64         None

      40MB         (1) 4MB x 64     (1) 1MB x 64

      48MB         (1) 4MB x 64     (1) 2MB x 64

      64MB         (1) 4MB x 64     (1) 4MB x 64

      64MB         (1) 8MB x 64         None

      72MB         (1) 8MB x 64     (1) 1MB x 64

      80MB         (1) 8MB x 64     (1) 2MB x 64

      96MB         (1) 8MB x 64     (1) 4MB x 64

      128MB        (1) 8MB x 64     (1) 8MB x 64

      128MB       (1) 16MB x 64         None

      136MB       (1) 16MB x 64     (1) 1MB x 64

      144MB       (1) 16MB x 64     (1) 2MB x 64

      160MB       (1) 16MB x 64     (1) 4MB x 64

      192MB       (1) 16MB x 64     (1) 8MB x 64

      256MB       (1) 16MB x 64    (1) 16MB x 64

  Note: Board accepts both EDO and SDRAM.

                          DIMM VOLTAGE SELECTION

         Voltage                    JP3A                    JP3B

              5V             Pins 1 & 2 closed        Pins 1 & 2 closed

     3.3V                   Pins 2 & 3 closed        Pins 2 & 3 closed

                            CPU SPEED SELECTION

  Speed      Clock    Multiplier     JP5A      JP5B      JP5C      JP5D
            Speed

  233MHz    66MHz        3.5x        Open      Open     Closed    Closed

  266MHz    66MHz         4x        Closed    Closed     Open     Closed

  300MHz    66MHz        4.5x        Open     Closed     Open     Closed

  333MHz    66MHz         5x        Closed     Open      Open     Closed

  366MHz    66MHz        5.5x        Open      Open      Open     Closed

