
LUCKY STAR TECHNOLOGY CO., LTD.

5TX2B

Device Type     Mainboard
Processor       CX 6X86/CX 6X86L/CX 686MX/CX M II/AM K5/AM K6/

                AM K6-2/Pentium/Pentium MMX
Processor Speed 75/90/100/120/133/150/166/180/200/233/266/300MHz
Chip Set        Intel 430TX
Video Chip Set  None
Maximum Onboard 128MB (EDO & SDRAM supported)
Memory
Maximum Video   None
Memory
Cache           512KB
BIOS            Award
Dimensions      230mm x 220mm
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), IR connector, USB connector,
                SB-link connector

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                Location

  Chassis fan power        C1         IR connector              IR1

  PS/2 mouse               C2         SB-link connector         JP4
  interface

  USB connector            J1         Power LED &         JP11/pins 1  5
                                      keylock

  Serial port              J2         Speaker              JP11/pins 7 
                                                                10

  Serial port              J3         Reset switch         JP11/pins 12 &
                                                                13

  Parallel port            J4         IDE interface LED    JP11/pins 15 &
                                                                16

  IDE interface 1          J5         Turbo LED            JP11/pins 18 &
                                                                19

  IDE interface 2          J6         Green PC             JP11/pins 21 &
                                      connector                 22

  CPU fan power            J7         32-bit PCI slots       PC1  PC4

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Flash BIOS voltage select 12v         JP1             Closed

      Flash BIOS voltage select 5v          JP1              Open

     CMOS memory normal operation          JP2             Closed

      CMOS memory clear                     JP2              Open

     Factory configured - do not           JP16         Unidentified
      alter

      PCI CLK select asynchronous           JP17       Pins 1 & 2 closed

      PCI CLK select synchronous            JP17       Pins 2 & 3 closed

              SIMM CONFIGURATION

         Size                  Bank 0

          8MB                (2) 1M x 36

         16MB                (2) 2M x 36

         32MB                (2) 4M x 36

         64MB                (2) 8M x 36

         128MB              (2) 16M x 36

            Note: Board accepts EDO memory.

             DIMM CONFIGURATION

     Size          Bank 1        Bank 2

      8MB        (1) 1M x 64      None

     16MB        (1) 2M x 64      None

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

           DIMM CONFIGURATION (CONT)

      Size          Bank 1          Bank 2

      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.

               DIMM VOLTAGE CONFIGURATION

          Voltage                       JP5

            3.3v             Pins 1 & 3, 2 & 4 closed

             5v              Pins 3 & 5, 4 & 6 closed

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (2) 64K x 32

                       CPU SPEED SELECTION (CX 6X86)

    CPU       Clock     Multiplier   JP7     JP8    JP9    JP12     JP13
   speed     speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

    CPU       Clock     Multiplier   JP7     JP8    JP9    JP12     JP13
   speed     speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

    CPU       Clock     Multiplier   JP7     JP8    JP9    JP12     JP13
   speed     speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (CX M II)

    CPU       Clock     Multiplier   JP7     JP8    JP9    JP12     JP13
   speed     speed

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

    CPU       Clock     Multiplier   JP7     JP8    JP9    JP12     JP13
   speed     speed

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU       Clock     Multiplier   JP7     JP8    JP9    JP12     JP13
   speed     speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (AM K6-2)

    CPU       Clock     Multiplier   JP7     JP8    JP9    JP12     JP13
   speed     speed

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU       Clock     Multiplier   JP7     JP8    JP9    JP12     JP13
   speed     speed

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

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

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

    CPU       Clock     Multiplier   JP7     JP8    JP9    JP12     JP13
   speed     speed

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

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

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

  Note: Pins designated should be in the closed position.

               CPU TYPE SELECTION

          Type                   JP14

        All CPUs           Pins 1 & 2 closed

  AM K6266/300MHz only     Pins 2 & 3 closed

                        CPU VOLTAGE SELECTION

              Voltage                             JP6

        Single voltage CPU                        Open

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

                           CPU VOLTAGE SELECTION

   Voltage     JP15/pins 1     JP15/pins 3    JP15/pins 5   JP15/pins 7 &
                   & 2            & 4            & 6              8

    2.0v          Open            Open           Open           Open

    2.1v         Closed           Open           Open           Open

    2.2v          Open           Closed          Open           Open

    2.3v         Closed          Closed          Open           Open

    2.4v          Open            Open          Closed          Open

    2.5v         Closed           Open          Closed          Open

    2.6v          Open           Closed         Closed          Open

    2.7v         Closed          Closed         Closed          Open

    2.8v          Open            Open           Open          Closed

    2.9v         Closed           Open           Open          Closed

    3.0v          Open           Closed          Open          Closed

    3.1v         Closed          Closed          Open          Closed

    3.2v          Open            Open          Closed         Closed

    3.3v         Closed           Open          Closed         Closed

    3.4v          Open           Closed         Closed         Closed

    3.5v         Closed          Closed         Closed         Closed

