
ASUS COMPUTER INTERNATIONAL

TX97-LE (REV. 1.00)

Device Type         Mainboard
Processor           CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 686MX/IBM
                    6X86MX/

                    AM K5/AM K6/Pentium/Pentium MMX
Processor Speed     75/90/100/120/133/150/166/200/233MHz
Chip Set            Intel 430TX
Maximum Onboard     256MB (EDO & SDRAM supported)
Memory
Cache               512KB
BIOS                Unidentified
Dimensions          254mm x 218mm
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, VRM connector, USB
                    connector, ATX power connector

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power connector       ATX        CPU fan power             C7

  Turbo LED             C1/pins 2 &    Wake on LAN               C8
                             3         connector

  Soft off power        C1/pins 6 &    Power fan                 C9
  supply                     7

  Reset switch          C1/pins 9 &    Serial port 1             CN1
                            10

  Power LED & keylock   C1/pins 11 -   Serial port 2             CN2
                            15

  Speaker               C1/pins 17 -   Parallel port             CN3
                            20

  IDE interface LED         C2         Floppy drive              CN4
                                       interface

  Chassis fan power         C3         IDE interface 2           CN5

  IR connector              C4         IDE interface 1           CN6

  Temperature sensor        C5         PS/2 mouse, USB,          CN7
                                       IR interface

  Chassis intrusion         C6         32-bit PCI slots       PC1 - PC4
  connector

                         USER CONFIGURABLE SETTINGS

  Function                                   Label           Position

    Boot block disabled                      BBW           Pins 1 & 2
                                                              closed

     Boot block enabled                       BBW           Pins 2 & 3
                                                              closed

    Keyboard power disabled                  KBP           Pins 1 & 2
                                                              closed

     Keyboard power enabled                   KBP           Pins 2 & 3
                                                              closed

    CMOS memory normal operation             RTC              Open

     CMOS memory clear                        RTC             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

      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

          SIMM CONFIGURATION (CON'T)

      Size          Bank 0          Bank 1

     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.

             DIMM CONFIGURATION

      Size         Bank 2         Bank 3

      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) 16M x        None
                     64

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

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

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

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

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

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

  Note: Board accepts SDRAM memory.

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (1) 64K x 64

                       CPU SPEED SELECTION (CX 6X86)

    CPU      Clock    Multiplier    BF0   BF1    BF2    FS0    FS1    FS2
   speed     speed

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION ( IBM 6X86)

    CPU      Clock   Multiplier     BF0   BF1    BF2    FS0    FS1   FS2
  speed     speed

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

    CPU      Clock   Multiplier     BF0   BF1    BF2    FS0    FS1   FS2
  speed     speed

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION ( IBM 6X86L)

    CPU      Clock    Multiplier    BF0   BF1    BF2    FS0    FS1    FS2
   speed     speed

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

    CPU      Clock   Multiplier     BF0   BF1    BF2    FS0    FS1   FS2
  speed     speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86MX)

    CPU      Clock    Multiplier    BF0   BF1    BF2    FS0    FS1    FS2
   speed     speed

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

    CPU      Clock   Multiplier     BF0   BF1    BF2    FS0    FS1   FS2
  speed     speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU      Clock    Multiplier    BF0   BF1    BF2    FS0    FS1    FS2
   speed     speed

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU      Clock   Multiplier     BF0   BF1    BF2    FS0    FS1   FS2
  speed     speed

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

    CPU      Clock    Multiplier    BF0   BF1    BF2    FS0    FS1    FS2
   speed     speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU VOLTAGE SELECTION (SINGLE)

     Voltage             VID0               VID1               VID2

       3.4v            Pins 2 & 3        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

       3.5v            Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

                        CPU VOLTAGE SELECTION (DUAL)

      Voltage             VID0              VID1               VID2

       2.2v               Open           Pins 1 & 2            Open
                                           closed

       2.8v            Pins 2 & 3        Pins 2 & 3         Pins 2 & 3
                         closed            closed             closed

       2.9v            Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                         closed            closed             closed

       3.2v            Pins 2 & 3        Pins 2 & 3         Pins 1 & 2
                         closed            closed             closed

