
GIGA-BYTE TECHNOLOGY CO., LTD.

GA-5AX (REV. 3.0)

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

                   CX M2/IDT C6/AM K5/AM K6/AM K6-2/Pentium/Pentium MMX
Processor Speed    100/120/133/150/166/200/233/266/300MHz
Chip Set           ALI Aladdin V
Video Chip Set     None
Maximum Onboard    768MB (SDRAM supported)
Memory
Maximum Video      None
Memory
Cache              512KB
BIOS               Award
Dimensions         305mm x 170mm
I/O Options        32-bit PCI slots (4), floppy drive interface, green PC
                   connector, IDE interfaces (2), parallel port, PS/2 mouse
                   port, serial ports (2), USB connectors (2), ATX power
                   connector, AGP slot, wake on LAN connector

[Image]

                                CONNECTIONS

  Purpose               Location       Purpose                Location

  AGP slot                 AGP         Wake on LAN              JP5
                                       connector

  ATX power                ATX         Green PC LED         JP9/pins 1 &
  connector                                                      10

  CPU fan power            C2          Reset switch        JP9/pins 2 & 3

  IDE interface 1          CN1         Speaker             JP9/pins 4 - 7

  Floppy drive             CN2         IDE interface LED    JP9/pins 8 &
  interface                                                      17

  IDE interface 2          CN3         Green PC connector   JP9/pins 9 &
                                                                 18

  USB connector 1          CN4         Soft off power       JP9/pins 12 &
                                       supply                    13

  USB connector 2         CN4A         Power LED            JP9/pins 14 -
                                                                 16

  Serial port 2            CN5         PS/2 mouse port          JP11

  Serial port 1            CN6         32-bit PCI slots      PC1  PC4

  Parallel port            CN7

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Keyboard power on enabled               JP3           Pins 1 & 2
                                                              closed

      Keyboard power on disabled              JP3           Pins 2 & 3
                                                              closed

                    DIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (1) 1M x 64        None          None

     16MB       (1) 2M x 64        None          None

     16MB       (1) 1M x 64    (1) 1M x 64       None

     24MB       (1) 2M x 64    (1) 1M x 64       None

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

     32MB       (1) 4M x 64        None          None

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

     32MB       (1) 2M x 64    (1) 2M x 64       None

     40MB       (1) 4M x 64    (1) 1M x 64       None

     40MB       (1) 2M x 64    (1) 2M x 64    (1) 1M x 64

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

     48MB       (1) 4M x 64    (1) 2M x 64       None

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

     56MB       (1) 4M x 64    (1) 2M x 64    (1) 1M x 64

     64MB       (1) 8M x 64        None          None

                  DIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1          Bank 2

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

      64MB        (1) 4M x 64     (1) 4M x 64        None

      72MB        (1) 8M x 64     (1) 1M x 64        None

      72MB        (1) 4M x 64     (1) 4M x 64    (1) 1M x 64

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

      80MB        (1) 8M x 64     (1) 2M x 64        None

      80MB        (1) 4M x 64     (1) 4M x 64    (1) 2M x 64

      88MB        (1) 8M x 64     (1) 2M x 64    (1) 1M x 64

      96MB        (1) 8M x 64     (1) 2M x 64    (1) 2M x 64

      96MB        (1) 8M x 64     (1) 4M x 64        None

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

     104MB        (1) 8M x 64     (1) 4M x 64    (1) 1M x 64

     112MB        (1) 8M x 64     (1) 4M x 64    (1) 2M x 64

     128MB       (1) 16M x 64        None            None

     128MB        (1) 8M x 64     (1) 4M x 64    (1) 4M x 64

     128MB        (1) 8M x 64     (1) 8M x 64        None

     136MB       (1) 16M x 64     (1) 1M x 64        None

     136MB        (1) 8M x 64     (1) 8M x 64    (1) 1M x 64

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

     144MB       (1) 16M x 64     (1) 2M x 64        None

     144MB        (1) 8M x 64     (1) 8M x 64    (1) 2M x 64

     152MB       (1) 16M x 64     (1) 2M x 64    (1) 1M x 64

     160MB       (1) 16M x 64     (1) 2M x 64    (1) 2M x 64

     160MB       (1) 16M x 64     (1) 4M x 64        None

     160MB        (1) 8M x 64     (1) 8M x 64    (1) 4M x 64

     168MB       (1) 16M x 64     (1) 4M x 64    (1) 1M x 64

     176MB       (1) 16M x 64     (1) 4M x 64    (1) 2M x 64

     192MB       (1) 16M x 64     (1) 4M x 64    (1) 4M x 64

     192MB       (1) 16M x 64     (1) 8M x 64        None

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

     200MB       (1) 16M x 64     (1) 8M x 64    (1) 1M x 64

     208MB       (1) 16M x 64     (1) 8M x 64    (1) 2M x 64

     224MB       (1) 16M x 64     (1) 8M x 64    (1) 4M x 64

     256MB       (1) 32M x 64        None            None

                  DIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1          Bank 2

     256MB       (1) 16M x 64     (1) 8M x 64    (1) 8M x 64

     264MB       (1) 32M x 64     (1) 1M x 64        None

     272MB       (1) 32M x 64     (1) 1M x 64    (1) 1M x 64

     272MB       (1) 32M x 64     (1) 2M x 64        None

     288MB       (1) 32M x 64     (1) 2M x 64    (1) 2M x 64

     288MB       (1) 32M x 64     (1) 4M x 64        None

     320MB       (1) 32M x 64     (1) 4M x 64    (1) 4M x 64

     320MB       (1) 32M x 64     (1) 8M x 64        None

     384MB       (1) 32M x 64     (1) 8M x 64    (1) 8M x 64

     384MB       (1) 32M x 64    (1) 16M x 64        None

     384MB       (1) 16M x 64    (1) 16M x 64    (1) 16M x 64

     384MB       (1) 16M x 64    (1) 16M x 64    (1) 16M x 64

     512MB       (1) 32M x 64    (1) 16M x 64    (1) 16M x 64

     512MB       (1) 32M x 64    (1) 32M x 64        None

     768MB       (1) 32M x 64    (1) 32M x 64    (1) 32M x 64

            Note: Board accepts SDRAM memory.

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (1) 64K x 64

                       CPU SPEED SELECTION (CX 6X86)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   200MHz        75MHz          2x           On         Off        Off

                   CPU SPEED SELECTION (CX 6X86, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   200MHz        75MHz          2x           On         Off        Off

                   CPU SPEED SELECTION (IBM 6X86, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   166MHz        66MHz          2x           On         Off        Off

                   CPU SPEED SELECTION (CX 6X86L, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

   166MHz      66MHz          2x        2 & 3    2 & 3   2 & 3      Off

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86L)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   166MHz        66MHz          2x           On         Off        Off

                     CPU SPEED SELECTION (IBM, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

   166MHz      66MHz          2x        2 & 3    2 & 3   2 & 3      Off

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   166MHz        66MHz          2x           On         Off        Off

   200MHz        75MHz          2x           On         Off        Off

   200MHz        66MHz         2.5x          On         On         Off

   233MHz        66MHz          3x           Off        On         Off

   233MHz        75MHz         2.5x          On         On         Off

   233MHz        83MHz          2x           On         Off        Off

   266MHz        66MHz         3.5x          Off        Off        Off

   266MHz        75MHz          3x           Off        On         Off

   266MHz        83MHz         2.5x          On         On         Off

                  CPU SPEED SELECTION (CX 6X86MX, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

   166MHz      66MHz          2x        2 & 3    2 & 3   2 & 3      Off

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

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

   233MHz      66MHz          3x        2 & 3    2 & 3   2 & 3      Off

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

   233MHz      83MHz          2x        1 & 2    2 & 3   2 & 3      Off

   266MHz      66MHz         3.5x       2 & 3    2 & 3   2 & 3      Off

   266MHz      75MHz          3x        1 & 2    2 & 3   2 & 3      On

   266MHz      83MHz         2.5x       1 & 2    2 & 3   2 & 3      Off

  Note: Pins designated should be in the closed position.

                     CPU SPEED SELECTION (IBM 6X86MX)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   166MHz        66MHz          2x           On         Off        Off

   200MHz        75MHz          2x           On         Off        Off

   200MHz        66MHz         2.5x          On         On         Off

   233MHz        66MHz          3x           Off        On         Off

   233MHz        75MHz         2.5x          On         On         Off

   233MHz        83MHz          2x           On         Off        Off

   266MHz        66MHz         3.5x          Off        Off        Off

   266MHz        75MHz          3x           Off        On         Off

   266MHz        83MHz         2.5x          On         On         Off

                  CPU SPEED SELECTION (IBM 6X86MX, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

   166MHz      66MHz          2x        2 & 3    2 & 3   2 & 3      Off

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

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

   233MHz      66MHz          3x        2 & 3    2 & 3   2 & 3      Off

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

   233MHz      83MHz          2x        1 & 2    2 & 3   2 & 3      Off

   266MHz      66MHz         3.5x       2 & 3    2 & 3   2 & 3      Off

   266MHz      75MHz          3x        1 & 2    2 & 3   2 & 3      On

   266MHz      83MHz         2.5x       1 & 2    2 & 3   2 & 3      Off

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (CX M II)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   300MHz        66MHz         3.5x          Off        Off        Off

                   CPU SPEED SELECTION (CX M II, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

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

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (IDT C6)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   200MHz        66MHz          3x           Off        On         Off

   225MHz        75MHz          3x           Off        On         Off

   266MHz        66MHz          4x           On         Off         On

                    CPU SPEED SELECTION (IDT C6, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

   200MHz      66MHz          3x        2 & 3    2 & 3   2 & 3      Off

   225MHz      75MHz          3x        1 & 2    2 & 3   2 & 3      On

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   133MHz        66MHz          2x           On         Off        Off

   166MHz        66MHz         2.5x          On         On         Off

                    CPU SPEED SELECTION (AM K5, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

   133MHz      66MHz          2x        2 & 3    2 & 3   2 & 3      Off

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   166MHz        66MHz         2.5x          On         On         Off

   200MHz        66MHz          3x           Off        On         Off

   233MHz        66MHz         3.5x          Off        Off        Off

   266MHz        66MHz          4x           On         Off         On

   266MHz       100MHz         2.5x          On         On         Off

   300MHz        66MHz         4.5x          On         On          On

   300MHz       100MHz          3x           Off        On         Off

                    CPU SPEED SELECTION (AM K6, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

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

   200MHz      66MHz          3x        2 & 3    2 & 3   2 & 3      Off

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

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

   266MHz     100MHz         2.5x       1 & 2    1 & 2   2 & 3      Off

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

   300MHz     100MHz          3x        1 & 2    1 & 2   2 & 3      Off

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (AM K6-2)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   233MHz        95MHz         3.5x          Off        Off        Off

   266MHz        66MHz          4x           On         Off         On

   300MHz       100MHz          3x           Off        On         Off

                   CPU SPEED SELECTION (AM K6-2, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

   233MHz      95MHz         3.5x       1 & 2    1 & 2   2 & 3      On

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

   300MHz     100MHz          3x        1 & 2    1 & 2   2 & 3      Off

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   100MHz        66MHz         1.5x          Off        Off        Off

   133MHz        66MHz          2x           On         Off        Off

   166MHz        66MHz         2.5x          On         On         Off

   200MHz        66MHz          3x           Off        On         Off

                    CPU SPEED SELECTION (INTEL, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

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

   133MHz      66MHz          2x        2 & 3    2 & 3   2 & 3      Off

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

   200MHz      66MHz          3x        2 & 3    2 & 3   2 & 3      Off

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

  CPU speed      Clock      Multiplier      S1/2       S1/3        S1/8
                 speed

   166MHz        66MHz         2.5x          On         On         Off

   200MHz        66MHz          3x           Off        On         Off

   233MHz        66MHz         3.5x          Off        Off        Off

                  CPU SPEED SELECTION (INTEL MMX, CONT)

  CPU speed    Clock      Multiplier     JP7      JP8     JP9      S1/1
               speed

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

   200MHz      66MHz          3x        2 & 3    2 & 3   2 & 3      Off

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

  Note: Pins designated should be in the closed position.

                CPU VOLTAGE SELECTION

  Voltage     S1/4       S1/5      S1/6       S1/7

   Auto       Off        Off        Off        On

    2.0       Off        Off        Off        Off

    2.1       Off        Off        On         Off

    2.2       Off         On        Off        Off

    2.3       Off         On        On         Off

    2.4        On        Off        Off        Off

    2.5        On        Off        On         Off

    2.6        On         On        Off        Off

    2.7        On         On        On         Off

    2.8       Off        Off        Off        On

    2.9       Off        Off        On         On

    3.0       Off         On        Off        On

    3.1       Off         On        On         On

    3.2        On        Off        Off        On

    3.3        On        Off        On         On

    3.4        On         On        Off        On

    3.5        On         On        On         On

