
LUCKY STAR TECHNOLOGY CO., LTD.

5I-TX2A

Device Type       Mainboard
Processor         CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium/Pentium
                  MMX
Processor Speed   75/90/100/120/133/150/166/180/200/233MHz
Chip Set          Intel 430TX
Maximum Onboard   256MB (EDO & SDRAM supported)
Memory
Cache             256/512KB
BIOS              Award
Dimensions        220mm x 190mm
I/O Options       32-bit PCI slots (4), floppy drive interface, IDE
                  interfaces (2), parallel port, PS/2 mouse interface,
                  serial ports (2), IR connector, USB connector, ATX power
                  connector

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  ATX power connector        ATX       Serial port                CN6

  Chassis fan power           C1       USB connector              CN7

  IDE interface 1            CN1       PS/2 mouse interface       CN8

  IDE interface 2            CN2       IR connector               CN9

  Floppy drive interface     CN3       Front panel connector      J13

  Parallel port              CN4       32-bit PCI slots         PC1  PC4

  Serial port                CN5

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Power supply type select AT             JP9           Pins 2 & 3
                                                              closed

      Power supply type select ATX            JP9           Pins 1 & 2
                                                              closed

     CMOS memory normal operation            JP10          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP10          Pins 2 & 3
                                                              closed

      Flash BIOS voltage select 12v           JP13          Pins 2 & 3
                                                              closed

      Flash BIOS voltage select 5v            JP13          Pins 1 & 2
                                                              closed

              SIMM CONFIGURATION

         Size                  Bank 2

          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

         256MB              (2) 32M x 36

            Note: Board accepts EDO memory.

             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

          DIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

     128MB        (1) 16M x 64       None

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

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

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

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

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

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

  Note: Board accepts EDO memory.

               DIMM VOLTAGE CONFIGURATION

          Voltage                       JP1

            3.3v             Pins 3 & 5, 4 & 6 closed

             5v              Pins 1 & 3, 2 & 4 closed

      CACHE CONFIGURATION

      Size          Bank 0

     256KB       (2) 32K x 32

     512KB       (2) 64K x 32

                       CPU SPEED SELECTION (CX 6X86)

  CPU speed     Clock     Multiplier     JP2      JP3      JP4      JP7
               speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

  CPU speed     Clock     Multiplier     JP2      JP3      JP4      JP7
               speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

     CPU       Clock      Multiplier     JP2      JP3      JP4      JP7
   speed       speed

   166MHz      60MHz         2.5x        2 & 3    1 & 2   1 & 2    1 & 2,
                                                                   3 & 4

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

     CPU       Clock      Multiplier     JP2      JP3     JP4       JP7
   speed       speed

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

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

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

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

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

   150MHz      60MHz         2.5x        2 & 3   1 & 2    1 & 2    1 & 2,
                                                                   3 & 4

   166MHz      66MHz         2.5x        1 & 2   1 & 2    2 & 3    1 & 2,
                                                                   3 & 4

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

     CPU       Clock      Multiplier     JP2      JP3     JP4       JP7
   speed       speed

   166MHz      66MHz         2.5x        1 & 2   1 & 2    2 & 3    1 & 2,
                                                                   3 & 4

   200MHz      66MHz          3x         1 & 2   1 & 2    2 & 3    3 & 4

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

     CPU       Clock      Multiplier     JP2      JP3     JP4       JP7
   speed       speed

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

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

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

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

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

   150MHz      60MHz         2.5x        2 & 3   1 & 2    1 & 2    1 & 2,
                                                                   3 & 4

   166MHz      66MHz         2.5x        1 & 2   1 & 2    2 & 3    1 & 2,
                                                                   3 & 4

   180MHz      60MHz          3x         2 & 3   1 & 2    1 & 2    3 & 4

   200MHz      66MHz          3x         1 & 2   1 & 2    2 & 3    3 & 4

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

     CPU       Clock      Multiplier     JP2      JP3     JP4       JP7
   speed       speed

   166MHz      66MHz         2.5x        1 & 2   1 & 2    2 & 3    1 & 2,
                                                                   3 & 4

   200MHz      66MHz          3x         1 & 2   1 & 2    2 & 3    3 & 4

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

  Note: Pins designated should be in the closed position.

                      CPU VOLTAGE SELECTION (SINGLE)

               Voltage                               JP11

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

                3.52v                   Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8
                                                    closed

                       CPU VOLTAGE SELECTION (DUAL)

         Voltage                 V core                    JP11

          3.3v                    2.8v               Pins 5 & 6 closed

          3.3v                    2.9v               Pins 3 & 4, 5 & 6
                                                          closed

          3.3v                    3.2v               Pins 3 & 4, 7 & 8
                                                          closed

