
GEMLIGHT COMPUTER, LTD.

GMB-P57SAX (VER. 1.10)

Processor          CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium
Processor Speed    90/100/120/133/150/166/200/233/266MHz
Chip Set           SIS
Video Chip Set     Unidentified
Maximum Onboard    384MB (EDO supported)
Memory
Maximum Video      Unidentified
Memory
Cache              512KB
BIOS               Award
Dimensions         304mm x 218mm
I/O Options        32-bit PCI slots (4), floppy drive interface, game
                   port, IDE interfaces (2), parallel port, PS/2 mouse
                   port, serial ports (2), IR connector, USB connectors
                   (2), ATX power connector, wavetable connector,
                   microphone in, line in, speaker out
NPU Options        None

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  ATX power                ATX        Power switch          J1/pins 7 & 8
  connector

                                      Reset switch           J1/pins 9 &
                                                                 10

  Game port                CN1        Power LED & keylock    J1/pins 11 -
                                                                 15

  Microphone in            CN2        Speaker                J1/pins 17 -
                                                                 20

  Line in                  CN3        Wavetable connector        J2

  Speaker out              CN4        Audio in CDROM            J3
                                      (Panasonic)

  VGA port                 CN5        Audio in CDROM            J4
                                      (Sony)

  Serial port 1            CN6        Floppy drive               J5
                                      interface

  Parallel port            CN7        IDE interface 1            J6

  USB connector 1          CN8        IDE interface 2            J7

  USB connector 2          CN9        IR connector               J8

  PS/2 mouse port         CN10        Chassis fan power          J9

  IDE interface LED    J1/pins 1 &    VGA feature                J10
                            2         connector

  ACPI LED             J1/pins 3 &    Serial port 2              J11
                            4

  Power button         J1/pins 5 &    32-bit PCI slots        PCI  PC4
                            6

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Flash BIOS voltage select 12v           JP1           Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 5v            JP1           Pins 2 & 3
                                                              closed

      On board audio enabled                  JP3             Closed

      On board audio disabled                 JP3              Open

     Factory configured - do not alter       JP6              Open

     Factory configured - do not alter       JP7           Pins 2 & 3
                                                              closed

     CMOS memory normal operation            JP8           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP8           Pins 2 & 3
                                                              closed

      Ring in enabled                         JP11             Open

      Ring in disabled                        JP11            Closed

                         DIMM/DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     8MB        (2) 1M x 32       None           None          None

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

     16MB       (2) 2M x 32       None           None          None

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

     16MB       (2) 1M x 32   (2) 1M x 32        None          None

     16MB       (2) 1M x 32       None           None       (1) 1M x 64

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

     24MB          None       (2) 2M x 32    (1) 1M x 64       None

     32MB       (2) 4M x 32       None           None          None

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

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

                      DIMM/DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     40MB        (2) 4M x 32   (2) 1M x 32        None           None

     40MB        (2) 4M x 32       None           None       (1) 1M x 64

     48MB        (2) 2M x 32       None           None       (1) 4M x 64

     48MB        (2) 4M x 32   (2) 2M x 32        None           None

     48MB        (2) 4M x 32       None           None       (1) 2M x 64

     64MB        (2) 8M x 32       None           None           None

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

     64MB        (2) 4M x 32   (2) 4M x 32        None           None

     64MB        (2) 4M x 32       None           None       (1) 4M x 64

     72MB        (2) 8M x 32   (2) 1M x 32        None           None

     72MB        (2) 8M x 32       None           None       (1) 1M x 64

     80MB        (2) 2M x 32       None           None       (1) 8M x 64

     80MB        (2) 8M x 32   (2) 2M x 32        None           None

     80MB        (2) 8M x 32       None           None       (1) 2M x 64

     96MB        (2) 4M x 32       None           None       (1) 8M x 64

     96MB        (2) 8M x 32   (2) 4M x 32        None           None

     96MB        (2) 8M x 32       None           None       (1) 4M x 64

     128MB       (2) 16M x 32      None           None           None

     128MB       (2) 8M x 32   (2) 8M x 32        None           None

     128MB       (2) 8M x 32       None           None       (1) 8M x 64

     136MB       (2) 16M x 32  (2) 1M x 32        None           None

     144MB       (2) 16M x 32  (2) 2M x 32        None           None

     144MB          None       (2) 16M x 32       None       (1) 2M x 64

     160MB       (2) 16M x 32  (2) 4M x 32        None           None

     160MB          None       (2) 16M x 32       None       (1) 4M x 64

     192MB       (2) 16M x 32  (2) 8M x 32        None           None

     192MB          None       (2) 16M x 32       None       (1) 8M x 64

     256MB       (2) 16M x 32  (2) 16M x 32       None           None

     264MB       (2) 16M x 32  (2) 16M x 32       None       (1) 1M x 64

     384MB          None       (2) 16M x 32   (1) 16M x 64   (1) 16M x 64

  Note: Board accepts EDO memory.

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     512KB        (2) 64K x 32   Unidentified

                        CPU SPEED SELECTION (CX 6X86)

   CPU     Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
  speed    speed

  133MHz   55MHz       2x        On      Off     Off     On      On     Off

  150MHz   60MHz       2x        On      Off     Off     On     Off     Off

                      CPU SPEED SELECTION (CX 6X86L/MX)

   CPU     Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
  speed    speed

  166MHz   66MHz       2x        On      Off     Off    Off     Off     Off

  200MHz   75MHz       2x        On      Off     Off    Off      On     Off

                         CPU SPEED SELECTION (AM K5)

   CPU     Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
  speed    speed

  90MHz    60MHz      1.5x       Off     Off     Off     On     Off     Off

  100MHz   66MHz      1.5x       Off     Off     Off    Off     Off     Off

  120MHz   60MHz      1.5x       Off     Off     Off     On     Off     Off

  133MHz   66MHz       2x        On      Off     Off    Off     Off     Off

  150MHz   60MHz      1.5x       Off     Off     Off    Off     Off     Off

  166MHz   66MHz      2.5x       On      On      Off    Off     Off     Off

                         CPU SPEED SELECTION (AM K6)

   CPU     Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
  speed    speed

  166MHz   66MHz      2.5x       On      On      Off    Off     Off     Off

  200MHz   66MHz       3x        Off     On      Off    Off     Off     Off

  233MHz   66MHz      3.5x       Off     Off     Off    Off     Off     Off

  266MHz   66MHz       4x        Off     Off     On     Off     Off     Off

                         CPU SPEED SELECTION (INTEL)

   CPU     Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
  speed    speed

  90MHz    60MHz      1.5x       Off     Off     Off     On     Off     Off

  100MHz   66MHz      1.5x       Off     Off     Off    Off     Off     Off

  120MHz   60MHz       2x        On      Off     Off     On     Off     Off

  133MHz   66MHz       2x        On      Off     Off    Off     Off     Off

  150MHz   60MHz      2.5x       On      On      Off     On     Off     Off

  166MHz   66MHz      2.5x       On      On      Off    Off     Off     Off

  200MHz   66MHz       3x        Off     On      Off    Off     Off     Off

  233MHz   66MHz      3.5x       Off     Off     Off    Off     Off     Off

                CPU TYPE SELECTION

      Type            SW1/1            SW1/2

     CX 6X86            On               On

    CX 6X86L           Off              Off

    CX 6X86MX          Off              Off

      AM K5             On               On

  AM K6-166/200         On              Off

  AM K6-233/266        Off              Off

      P54C              On              Off

      P55C             Off              Off

                    ON BOARD VGA SELECTION

       Setting               JP4                  JP5

       Enabled         Pins 2 & 3 closed   Pins 1 & 2 closed

      Disabled         Pins 1 & 2 closed   Pins 2 & 3 closed

