
VEXTREC TECHNOLOGY, INC.

GMB-P57IAA (VER. 1.10)

Processor          CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium/Pentium
                   MMX
Processor Speed    90/100/120/133/150/166/200/233/266MHz
Chip Set           Intel 430TX
Video Chip Set     ATI
Maximum Onboard    256MB (EDO & SDRAM supported)
Memory
Maximum Video      4MB
Memory
Cache              256/512KB
BIOS               Award
Dimensions         304mm x 245mm
I/O Options        32-bit PCI slots (3), floppy drive interface, game/MIDI
                   port, IDE interfaces (2), parallel port, PS/2 mouse
                   port, serial ports (2), VGA port, USB connectors (2),
                   ATX power connector, microphone in, line in, speaker
                   out, AMC/VFC connector, TV out connector, audio in -
                   CD-ROM (2)
NPU Options        None

[Image]

                                CONNECTIONS

  Purpose            Location     Purpose                      Location

  ATX power            ATX        Reset switch                J2/pins 9 &
  connector                                                       10

  Game/MIDI port       CN1        Power LED & keylock          J2/pins 11
                                                                 - 15

  Microphone in        CN2        Speaker                      J2/pins 17
                                                                 - 20

  Line in              CN3        TV out connector                J4

  Speaker out          CN4        AMC/VFC connector               J5

  VGA port             CN5        Audio in - CD-ROM (Sony)        J7

  Serial port 1        CN6        Audio in - CD-ROM               J8
                                  (Panasonic/Mitsumi)

  Parallel port        CN7        IDE interface 1                 J11

  USB connector 1      CN8        IDE interface 2                 J10

  USB connector 2      CN9        Floppy drive interface          J14

  PS/2 mouse port      CN10       Serial port 2                   J20

  IDE interface     J2/pins 1 &   Internal modem ring-in          JP1
  LED                   2         connector

  Power switch      J2/pins 5 &   IR connector                    JP6
                        6

  Green PC          J2/pins 7 &   32-bit PCI slots             PCI  PC3
  connector             8

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Flash BIOS voltage select 12v           JP4           Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 5v            JP4           Pins 2 & 3
                                                              closed

      VGA IRQ enabled                         JP10          Pins 2 & 3
                                                              closed

      VGA IRQ disabled                        JP10          Pins 1 & 2
                                                              closed

      On board video enabled                  JP11          Pins 2 & 3
                                                              closed

      On board video disabled                 JP11          Pins 1 & 2
                                                              closed

     Factory configured - do not alter       JP15             Open

      Ring in select COM1                     JP21          Pins 2 & 3
                                                              closed

      Ring in select COM2                     JP21          Pins 1 & 2
                                                              closed

      On board audio enabled                  JP22            Closed

      On board audio disabled                 JP22             Open

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 32      None

     16MB        (2) 2M x 32      None

     16MB        (2) 1M x 32   (2) 1M x 32

     24MB        (2) 2M x 32   (2) 1M x 32

     32MB        (2) 4M x 32      None

     32MB        (2) 2M x 32   (2) 2M x 32

     40MB        (2) 4M x 32   (2) 1M x 32

     48MB        (2) 4M x 32   (2) 2M x 32

     64MB        (2) 8M x 32      None

     64MB        (2) 4M x 32   (2) 4M x 32

     72MB        (2) 8M x 32   (2) 1M x 32

          DRAM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

      80MB        (2) 8M x 32    (2) 2M x 32

      96MB        (2) 8M x 32    (2) 4M x 32

     128MB        (2) 8M x 32    (2) 8M x 32

     128MB        (2) 16M x 32       None

     136MB        (2) 16M x 32   (2) 1M x 32

     144MB        (2) 16M x 32   (2) 2M x 32

     160MB        (2) 16M x 32   (2) 4M x 32

     192MB        (2) 16M x 32   (2) 8M x 32

     256MB        (2) 16M x 32   (2) 16M x 32

  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

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

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     256KB        (2) 32K x 32   Unidentified

     512KB        (2) 64K x 32   Unidentified

                        VIDEO MEMORY CONFIGURATION

  Note: Board accepts 1MB/2MB/4MB video memory. The configuration is
  unidentified.

                       CPU SPEED SELECTION (CX 6X86)

    CPU       Clock    Multiplier     SW1/1    SW1/2     SW1/3     SW1/4
   speed     speed

  133MHz     55MHz         2x          Off       On       On        Off

  150MHz     60MHz         2x          Off       On       On        Off

                   CPU SPEED SELECTION (CX 6X86, CONT)

    CPU       Clock    Multiplier     SW1/5    SW1/6     SW1/7     SW1/8
   speed     speed

  133MHz     55MHz         2x          Off       On       On        Off

  150MHz     60MHz         2x          Off       On       Off       Off

                      CPU SPEED SELECTION (CX 6X86L)

    CPU       Clock    Multiplier     SW1/1    SW1/2     SW1/3     SW1/4
   speed     speed

  133MHz     55MHz         2x          Off       On       On        Off

  150MHz     60MHz         2x          Off       On       On        Off

  166MHz     66Mhz         2x          Off       On       On        Off

                   CPU SPEED SELECTION (CX 6X86L, CONT)

    CPU       Clock    Multiplier     SW1/5    SW1/6     SW1/7     SW1/8
   speed     speed

  133MHz     55MHz         2x          Off       On       On        Off

  150MHz     60MHz         2x          Off       On       Off       Off

  166MHz     66MHz         2x          Off      Off       Off       Off

                      CPU SPEED SELECTION (CX 6X86MX)

    CPU       Clock    Multiplier     SW1/1    SW1/2     SW1/3     SW1/4
   speed     speed

  166MHz     66MHz         2x          Off       On       On        Off

  200MHz     75MHz         2x          Off       On       On        Off

                  CPU SPEED SELECTION (CX 6X86MX, CONT)

    CPU       Clock    Multiplier     SW1/5    SW1/6     SW1/7     SW1/8
   speed     speed

  166MHz     66MHz         2x          Off      Off       Off       Off

  200MHz     75MHz         2x          Off      Off       On        Off

                        CPU SPEED SELECTION (AM K5)

    CPU       Clock    Multiplier     SW1/1    SW1/2     SW1/3     SW1/4
   speed     speed

   90MHz     60MHz        1.5x         Off       On       Off       Off

  100MHz     66MHz        1.5x         Off       On       Off       Off

  120MHz     60MHz        1.5x         Off       On       Off       Off

  133MHz     66MHz         2x          Off       On       On        Off

  150MHz     60MHz        1.5x         Off       On       Off       Off

  166MHz     66MHz        2.5x         Off       On       On        On

                    CPU SPEED SELECTION (AM K5, CONT)

    CPU       Clock    Multiplier     SW1/5    SW1/6     SW1/7     SW1/8
   speed     speed

   90MHz     60MHz        1.5x         Off       On       Off       Off

  100MHz     66MHz        1.5x         Off      Off       Off       Off

  120MHz     60MHz        1.5x         Off       On       Off       Off

  133MHz     66MHz         2x          Off      Off       Off       Off

  150MHz     60MHz        1.5x         Off      Off       Off       Off

  166MHz     66MHz        2.5x         Off      Off       Off       Off

                        CPU SPEED SELECTION (AM K6)

    CPU       Clock    Multiplier     SW1/1    SW1/2     SW1/3     SW1/4
   speed     speed

  166MHz     66MHz        2.5x         Off       On       On        On

  200MHz     66MHz         3x          Off       On       Off       On

  233MHz     66MHz        3.5x         Off       On       Off       Off

                    CPU SPEED SELECTION (AM K6, CONT)

    CPU       Clock    Multiplier     SW1/5    SW1/6     SW1/7     SW1/8
   speed     speed

  166MHz     66MHz        2.5x         Off      Off       Off       Off

  200MHz     66MHz         3x          Off      Off       Off       Off

  233MHz     66MHz        3.5x         Off      Off       Off       Off

                        CPU SPEED SELECTION (INTEL)

    CPU       Clock    Multiplier     SW1/1    SW1/2     SW1/3     SW1/4
   speed     speed

   90MHz     60MHz        1.5x         Off       On       Off       Off

  100MHz     66MHz        1.5x         Off       On       Off       Off

  120MHz     60MHz         2x          Off       On       On        Off

  133MHz     66MHz         2x          Off       On       On        Off

  150MHz     60MHz        2.5x         Off       On       On        On

  166MHz     66MHz        2.5x         Off       On       On        On

  200MHz     66MHz         3x          Off       On       Off       On

  233MHz     66MHz        3.5x         Off       On       Off       Off

                    CPU SPEED SELECTION (INTEL, CONT)

    CPU       Clock    Multiplier     SW1/5    SW1/6     SW1/7     SW1/8
   speed     speed

   90MHz     60MHz        1.5x         Off       On       Off       Off

  100MHz     66MHz        1.5x         Off      Off       Off       Off

  120MHz     60MHz         2x          Off       On       Off       Off

  133MHz     66MHz         2x          Off      Off       Off       Off

  150MHz     60MHz        2.5x         Off       On       Off       Off

  166MHz     66MHz        2.5x         Off      Off       Off       Off

  200MHz     66MHz         3x          Off      Off       Off       Off

  233MHz     66MHz        3.5x         Off      Off       Off       Off

                      CPU VOLTAGE SELECTION (SINGLE)

          Voltage                   JP18                    JP19

           3.3v                     Open             1 & 2, 5 & 6, 7 & 8

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

  Note: Pins designated should be in the closed position.

                 CPU VOLTAGE SELECTION (DUAL)

    Voltage         V core           JP18            JP19

      3.3v           2.8v        1 & 3, 2 & 4       7 & 8

      3.3v           2.9v        1 & 3, 2 & 4    1 & 2, 7 & 8

      3.3v           3.2v        1 & 3, 2 & 4    5 & 6, 7 & 8

  Note: Pins designated should be in the closed position.

