
PC CHIPS MANUFACTURING, LTD.

M571

Device Type      Mainboard
Processor        CX 6X86L/CX 6X86MX/IBM 6X86L/IBM 6X86MX/AM K6/IDT
                 C6/Pentium/ Pentium MMX
Processor Speed  75/90/100/120/133/150/166/180/200/233/266MHz
Chip Set         Intel TX Pro II BGA
Video Chip Set   None
Maximum Onboard  384MB (EDO & SDRAM supported)
Memory
Maximum Video    None
Memory
Cache            512KB
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      32-bit PCI slots (4), floppy drive interface, green PC
                 connector, IDE interfaces (2), parallel port, PS/2 mouse
                 interface, serial ports (2), VGA interface, IR connector,
                 USB connectors (2), ATX power connector
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose               Location       Purpose               Location

  ATX power                ATX         Turbo LED          J3/pins 7 & 18
  connector

  Serial port 1            CN1         IDE interface      J3/pins 8 & 19
                                       LED

  Serial port 2            CN2         Reset switch       J3/pins 9 & 20

  Parallel port            CN3         Standby LED        J3/pins 11 & 22

  Floppy drive             CN4         Speaker            J3/pins 12 - 15
  interface

  IDE interface 1          CN5         PS/2 mouse               PS2
                                       interface

  IDE interface 2          CN6         USB connector 1         USB1

  VGA interface            CN7         USB connector 2         USB2

  Soft off power           J1          IR connector             IR
  supply

  Chassis fan power        J2          32-bit PCI slots      PC1  PC4

  Power LED &         J3/pins 1 - 5
  keylock

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP2           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP2           Pins 2 & 3
                                                              closed

      On board video enabled                  JP3           Pins 2 & 3
                                                              closed

      On board video disabled                 JP3           Pins 1 & 2
                                                              closed

      PCI clock speed select CPU CLK/2        JP5D          Pins 1 & 2
                                                              closed

      PCI clock speed select CPU CLK =        JP5D          Pins 2 & 3
      33MHz                                                   closed

             SIMM 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

                        SIMM CONFIGURATION (CONT)

          Size                    Bank 0                   Bank 1

          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. It Is not recommended to install DIMMs
  & SIMMs at the same time.

                            DIMM CONFIGURATION

          Size                    Bank 0                   Bank 1

           8MB                 (1) 1M x 64                  None

          16MB                 (1) 2M x 64                  None

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

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

          32MB                 (1) 4M x 64                  None

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

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

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

          64MB                 (1) 8M x 64                  None

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

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

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

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

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

            Note: Board accepts SDRAM memory. For maximum memory of
            384MB, fully populate all 4 banks.

     DIMM/SIMM VOLTAGE CONFIGURATION

   Voltage                JP4

     3.3v       Pins 2 & 3, 5 & 6 closed

      5v        Pins 1 & 2, 4 & 5 closed

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (1) 64K x 64

                      CPU SPEED SELECTION (CX 6X86L)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  120MHz     50MHz        2x        2 & 3   2 & 3   2 & 3   2 & 3   1 & 2

  133MHz     55MHz        2x        1 & 2   2 & 3   2 & 3   2 & 3   1 & 2

  150MHz     60MHz        2x        2 & 3   2 & 3   1 & 2   2 & 3   1 & 2

  166MHz     66MHz        2x        2 & 3   1 & 2   2 & 3   2 & 3   1 & 2

  200MHz     75MHz        2x        1 & 2   2 & 3   1 & 2   2 & 3   1 & 2

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86L)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  120MHz     50MHz        2x        2 & 3   2 & 3   2 & 3   2 & 3   1 & 2

  133MHz     55MHz        2x        1 & 2   2 & 3   2 & 3   2 & 3   1 & 2

  150MHz     60MHz        2x        2 & 3   2 & 3   1 & 2   2 & 3   1 & 2

  166MHz     66MHz        2x        2 & 3   1 & 2   2 & 3   2 & 3   1 & 2

  200MHz     75MHz        2x        1 & 2   2 & 3   1 & 2   2 & 3   1 & 2

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  166MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  200MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  233MHz     75MHz       2.5x       1 & 2   2 & 3   1 & 2   2 & 3   2 & 3

  233MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  Note: Pins designated should be in the closed position.

                     CPU SPEED SELECTION (IBM 6X86MX)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  166MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  200MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  233MHz     75MHz       2.5x       1 & 2   2 & 3   1 & 2   2 & 3   2 & 3

  233MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  166MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  200MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  233MHz     66MHz       3.5x       2 & 3   1 & 2   2 & 3   1 & 2   1 & 2

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (IDT C6)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  150MHz     50MHz        3x        2 & 3   2 & 3   2 & 3   1 & 2   2 & 3

  180MHz     60MHz        3x        2 & 3   2 & 3   1 & 2   1 & 2   2 & 3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  75MHz      50MHz       1.5x       2 & 3   2 & 3   2 & 3   1 & 2   1 & 2

  90MHz      60MHz       1.5x       2 & 3   2 & 3   1 & 2   1 & 2   1 & 2

  100MHz     66MHz       1.5x       2 & 3   1 & 2   2 & 3   1 & 2   1 & 2

  120MHz     60MHz        2x        2 & 3   2 & 3   1 & 2   2 & 3   1 & 2

  133MHz     66MHz        2x        2 & 3   1 & 2   2 & 3   2 & 3   1 & 2

  150MHz     60MHz       2.5x       2 & 3   2 & 3   1 & 2   2 & 3   2 & 3

  166MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  180MHz     60MHz        3x        2 & 3   2 & 3   1 & 2   1 & 2   2 & 3

  200MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  166MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  200MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  233MHz     66MHz       3.5x       2 & 3   1 & 2   2 & 3   1 & 2   1 & 2

  Note: Pins designated should be in the closed position.

                      CPU TYPE SELECTION

        Type                 JP8A                 JP8B

        AM K6          Pins 1 & 2 closed   Pins 1 & 2 closed

      CX 6X86L         Pins 1 & 2 closed   Pins 1 & 2 closed

      CX 6X86MX        Pins 1 & 2 closed   Pins 1 & 2 closed

      IBM 6X86L        Pins 1 & 2 closed   Pins 1 & 2 closed

     IBM 6X86MX        Pins 1 & 2 closed   Pins 1 & 2 closed

       IDT C6          Pins 2 & 3 closed   Pins 2 & 3 closed

        P54C           Pins 2 & 3 closed   Pins 2 & 3 closed

        P55C           Pins 1 & 2 closed   Pins 1 & 2 closed

                      CPU VOLTAGE SELECTION

  Voltage     JP6A       JP6B       JP6C       JP6D       JP6E

   2.5v       Open       Open       Open       Open       Open

   2.8v       Open       Open       Open       Open      Closed

   2.9v       Open       Open       Open      Closed      Open

   3.2v       Open       Open      Closed      Open       Open

   3.3v       Open      Closed      Open       Open       Open

   3.5v      Closed      Open       Open       Open       Open

