
GEMLIGHT COMPUTERS LTD.

GMB-P57VPS (VER. 3.02)

Device Type     Mainboard
Processor       CX 6X86/CX 6X86L/CX 6X86MX/IDT C6/AM K5/AM K6/Pentium/
                Pentium MMX
Processor Speed 90/100/120/133/150/166/180/200/233/266/300MHz
Chip Set        VIA Apollo VPX
Maximum Onboard 256MB DRAM (EDO & SDRAM supported)
Memory
Cache           256/512KB
BIOS            Award
I/O Options     32-bit PCI slots (4), floppy drive interface, IDE
                interfaces (2), parallel port, PS/2 mouse port, serial
                ports (2), serial port, USB connectors (2), IR connector

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  PS/2 mouse port          CN1        IDE interface 2           J11

  IDE interface LED   J1/pins 1 & 2   Floppy drive              J12
                                      interface

  Suspend LED         J1/pins 3 & 4   Parallel port             J13

  Suspend switch      J1/pins 5 & 6   Serial port 1             J14

  Reset switch         J1/pins 9 &    Serial port 2             J15
                           10

  Power LED &         J1/pins 11-15   USB connector             J16
  keylock

  Speaker             J1/pins 17-20   USB connector             J17

  IR connector             J9         PS/2 mouse                J18
                                      interface

  IDE interface 1          J10        32-bit PCI slots       PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP2           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP2           Pins 2 & 3
                                                              closed

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

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

                       DRAM CONFIGURATION

     Size           Bank 0          Bank 1           Bank 2

      8MB        (1) 1MB x 64        None             None

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

     16MB        (1) 2MB x 64        None             None

     24MB        (1) 1MB x 64    (1) 1MB x 64     (2) 1MB x 32

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

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

     32MB        (1) 4MB x 64        None             None

     40MB        (1) 2MB x 64    (1) 2MB x 64     (2) 1MB x 32

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

     48MB        (1) 2MB x 64    (1) 2MB x 64     (2) 2MB x 32

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

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

     64MB        (1) 8MB x 64        None             None

     72MB        (1) 4MB x 64    (1) 4MB x 64     (2) 1MB x 32

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

     80MB        (1) 4MB x 64    (1) 4MB x 64     (2) 2MB x 32

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

     96MB        (1) 4MB x 64    (1) 4MB x 64     (2) 4MB x 32

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

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

     128MB       (1) 16MB x 64       None             None

     136MB       (1) 8MB x 64    (1) 8MB x 64     (2) 1MB x 32

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

     144MB       (1) 8MB x 64    (1) 8MB x 64     (2) 2MB x 32

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

     160MB       (1) 8MB x 64    (1) 8MB x 64     (2) 4MB x 32

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

     192MB       (1) 8MB x 64    (1) 8MB x 64     (2) 8MBx 32

  Note: Board accepts EDO and SDRAM.

                        CPU SPEED SELECTION (CX 6X86)

  Speed    Clock   Multiplier     S7      S8     S9     S10      S11     S12
           speed

  150MHz   60MHz       2x       Closed   Open   Open   Closed   Open     Open

  166MHz   66MHz       2x       Closed   Open   Open   Open     Open     Open

  200MHz   75MHz       2x       Closed   Open   Open   Open     Closed   Open

                        CPU SPEED SELECTION (CX 6X86L)

  Speed    Clock   Multiplier     S7      S8     S9     S10      S11     S12
           speed

  150MHz   60MHz       2x       Closed   Open   Open   Closed   Open     Open

  166MHz   66MHz       2x       Closed   Open   Open   Open     Open     Open

  200MHz   75MHz       2x       Closed   Open   Open   Open     Closed   Open

                        CPU SPEED SELECTION (CX 6X86MX)

  Speed    Clock   Multiplier     S7       S8      S9     S10      S11     S12
           speed

  166MHz   60MHz      2.5x      Closed   Closed   Open   Closed   Open     Open

  200MHz   66MHz      2.5x      Closed   Closed   Open   Open     Open     Open

  200MHz   75MHz       2x       Closed    Open    Open   Open     Closed   Open

  233MHz   75MHz      2.5x      Closed   Closed   Open   Open     Closed   Open

                        CPU SPEED SELECTION (IDT C6)

  Speed    Clock   Multiplier    S7      S8      S9     S10     S11    S12
           speed

  180MHz   60MHz       3x       Open   Closed   Open   Closed   Open   Open

  200MHz   66MHz       3x       Open   Closed   Open   Open     Open   Open

                         CPU SPEED SELECTION (AM K5)

  Speed    Clock   Multiplier     S7       S8      S9     S10     S11    S12
           speed

  120MHz   60MHz       2x       Closed    Open    Open   Closed   Open   Open

  133MHz   66MHz       2x       Closed    Open    Open   Open     Open   Open

  166MHz   66MHz      2.5x      Closed   Closed   Open   Open     Open   Open

                         CPU SPEED SELECTION (AM K6)

  Speed    Clock   Multiplier     S7       S8       S9     S10    S11    S12
           speed

  166MHz   66MHz      2.5x      Closed   Closed    Open    Open   Open   Open

  200MHz   66MHz       3x        Open    Closed    Open    Open   Open   Open

  233MHz   66MHz      3.5x       Open     Open     Open    Open   Open   Open

  266MHz   66MHz       4x       Closed    Open    Closed   Open   Open   Open

  300MHz   66MHz      4.5x      Closed   Closed   Closed   Open   Open   Open

                        CPU SPEED SELECTION (PENTIUM)

  Speed    Clock   Multiplier     S7       S8      S9     S10     S11    S12
           speed

  90MHz    60MHz      1.5x       Open     Open    Open   Closed   Open   Open

  100MHz   66MHz      1.5x       Open     Open    Open   Open     Open   Open

  120MHz   60MHz       2x       Closed    Open    Open   Closed   Open   Open

  133MHz   66MHz       2x       Closed    Open    Open   Open     Open   Open

  150MHz   60MHz      2.5x      Closed   Closed   Open   Closed   Open   Open

  166MHz   66MHz      2.5x      Closed   Closed   Open   Open     Open   Open

  200MHz   66MHz       3x        Open    Closed   Open   Open     Open   Open

                     CPU SPEED SELECTION (PENTIUM MMX)

  Speed    Clock   Multiplier     S7       S8      S9    S10    S11    S12
           speed

  166MHz   66MHz      2.5x      Closed   Closed   Open   Open   Open   Open

  200MHz   66MHz       3x        Open    Closed   Open   Open   Open   Open

  233MHz   66MHz      3.5x       Open     Open    Open   Open   Open   Open

                      CPU VOLTAGE SELECTION (SINGLE)

  Voltage       S1           S2           S3           S4          S6

   3.3v       Closed       Closed        Open        Closed       Open

   3.5v       Closed       Closed       Closed       Closed       Open

                       CPU VOLTAGE SELECTION (DUAL)

  Voltage    V core      S1         S2         S3         S4        S6

   3.3v       2.2v      Open       Open      Closed      Open      1 & 2,
                                                                   3 & 4,
                                                                   5 & 6

   3.3v       2.8v     Closed      Open       Open       Open      1 & 2,
                                                                   3 & 4,
                                                                   5 & 6

   3.3v       2.9v     Closed      Open       Open      Closed     1 & 2,
                                                                   3 & 4,
                                                                   5 & 6

   3.3v       3.2v     Closed     Closed      Open       Open      1 & 2,
                                                                   3 & 4,
                                                                   5 & 6

  Note: Designated pins are in the closed position.

