
LUCKY STAR TECHNOLOGY CO., LTD.

5ATX2

Device Type       Mainboard
Processor         CX 6X86/CX 6X86L/CX 686MX/CX MII/AM K5/AM K6/Pentium/

                  Pentium MMX
Processor Speed   75/90/100/120/133/150/166/180/200/233MHz
Chip Set          Intel
Maximum Onboard   128MB
Memory
Cache             256/512KB
BIOS              Unidentified
Dimensions        305mm x 244mm
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), USB connectors (2), ATX
                  power connector

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                Location

  CPU fan power            ATX        IDE interface 2           CN9

  Chassis fan power        C1         IR connector              IR1

  Parallel port            CN1        Power LED &          JP13/pins 1 
                                      keylock                    5

  Serial port 1            CN2        Speaker              JP13/pins 7 
                                                                10

  Serial port 2            CN3        Reset switch         JP13/pins 12 &
                                                                13

  USB connector 1          CN4        IDE interface LED    JP13/pins 15 &
                                                                16

  USB connector 2          CN5        Turbo LED            JP13/pins 18 &
                                                                19

  PS/2 mouse port          CN6        Green PC             JP13/pins 21 &
                                      connector                 22

  Floppy drive             CN7        32-bit PCI slots       PC1  PC4
  interface

  IDE interface 1          CN8

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           JP4          Unidentified
      alter

     Factory configured - do not          JP12          Unidentified
      alter

     Factory configured - do not          JP14          Unidentified
      alter

     CMOS memory normal operation         JP15             Closed

      CMOS memory clear                    JP15              Open

             SIMM CONFIGURATION

     Size          Bank 2        Bank 3

      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

             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

         DIMM CONFIGURATION (CONT)

     Size          Bank 0        Bank 1

     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

               DIMM VOLTAGE CONFIGURATION

          Voltage                       JP1

            3.3v             Pins 1 & 3, 2 & 4 closed

             5v              Pins 3 & 5, 4 & 6 closed

                       CPU SPEED SELECTION (CX 6X86)

    CPU       Clock     Multiplier    JP2     JP3    JP8    JP9     JP10
   speed      speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

    CPU       Clock     Multiplier    JP2     JP3    JP8    JP9     JP10
   speed      speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

    CPU       Clock     Multiplier    JP2     JP3    JP8    JP9     JP10
   speed      speed

  166MHz      60MHz        2.5x        2 &    2 &     2 &    1 &    1 & 2
                                       3       3      3      2

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

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

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

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (CX MII)

    CPU       Clock     Multiplier    JP2     JP3    JP8    JP9     JP10
   speed      speed

  300MHz      66MHz        3.5x        1 &    1 &     1 &    2 &    1 & 2
                                       2       2      2      3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

    CPU       Clock     Multiplier    JP2     JP3    JP8    JP9     JP10
   speed      speed

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

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

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

  120MHz      60MHz        1.5x        1 &    1 &     2 &    1 &    1 & 2
                                       2       2      3      2

  133MHz      66MHz        1.5x        1 &    1 &     1 &    2 &    1 & 2
                                       2       2      2      3

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU       Clock     Multiplier    JP2     JP3    JP8    JP9     JP10
   speed      speed

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

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

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

  266MHz      66MHz         4x         2 &    1 &     1 &    2 &    1 & 2
                                       3       2      2      3

  300MHz      66MHz        4.5x        2 &    2 &     1 &    2 &    1 & 2
                                       3       3      2      3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU       Clock     Multiplier    JP2     JP3    JP8    JP9     JP10
   speed      speed

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

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

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

    CPU       Clock     Multiplier    JP2     JP3    JP8    JP9     JP10
   speed      speed

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

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

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

  Note: Pins designated should be in the closed position.

                          CPU TYPE SELECTION

               Type                               JP6

          Single voltage                          Open

           Dual voltage             Pins 1 & 2, 3 & 4, 5 & 6 closed

                           CPU VOLTAGE SELECTION

               Voltage                                JP5

                2.0v                                 Open

                2.1v                           Pins 1 & 2 closed

                2.5v                       Pins 1 & 2, 5 & 6 closed

                2.8v                           Pins 7 & 8 closed

                2.9v                       Pins 1 & 2, 7 & 8 closed

                3.0v                       Pins 3 & 4, 7 & 8 closed

                3.1v                    Pins 1 & 2, 3 & 4, 7 & 8 closed

                3.2v                       Pins 5 & 6, 7 & 8 closed

                3.3v                    Pins 1 & 2, 5 & 6, 7 & 8 closed

                3.5v                    Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8
                                                    closed

