GEMLIGHT COMPUTER LTD.
GMB-P57SAX (VER. 1.20)
Device Type | Mainboard |
Processor | CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 6X86MX/IBM 6X86MX/AM K5/AM K6/Pentium/Pentium MMX |
Processor Speed | 90/100/120/133/150/166/200/233/266MHz |
Chip Set | SIS 5598 |
Maximum Onboard Memory | 384MB (EDO & SDRAM supported) |
Cache | 512KB |
BIOS | Award |
I/O Options | 32-bit PCI slots (4), CD-ROM interface (2), floppy drive interface, game port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, IR connector, USB connectors (2), wavetable connector, ATX power connector, microphone in, line in, line out |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
ATX power connector | ATX | Reset switch | J1/pins 9 & 10 |
PS/2 mouse port | CN1 | Power LED & keylock | J1/pins 11-15 |
USB connector 1 | CN2 | Speaker | J1/pins 16-20 |
USB connector 2 | CN3 | Wavetable connector | J2 |
Serial port 1 | CN4 | Audio in - CD-ROM (Panasonic/Mitsumi) | J3 |
VGA port | CN5 | Audio in - CD-ROM (Sony) | J4 |
Parallel port | CN6 | Floppy drive interface | J5 |
External speaker | CN7 | IDE interface 1 | J6 |
Line in | CN8 | IDE interface 2 | J7 |
Microphone in | CN9 | IR connector | J8 |
Game port | CN10 | VGA feature connector | J10 |
IDE interface LED | J1/pins 1 & 2 | Serial port 2 | J11 |
Suspend LED | J1/pins 3 & 4 | Chassis fan power | J17 |
Suspend switch | J1/pins 5 & 6 | Internal modem ring-in connector | JP11 |
Power switch | J1/pins 7 & 8 | 32-bit PCI slots | PC1 - PC4 |
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 | |
Onboard audio enabled | JP3 | Closed | |
Onboard audio disabled | JP3 | Open | |
» | Factory configured - do not alter | JP6 | Open |
» | CMOS memory normal operation | JP8 | Pins 1 & 2 closed |
CMOS memory clear | JP8 | Pins 2 & 3 closed | |
VGA SETTINGS | ||
Function | JP4 | JP5 |
Onboard VGA enabled | Pins 2 & 3 closed | Pins 1 & 2 closed |
Onboard VGA disabled | Pins 1 & 2 closed | Pins 2 & 3 closed |
SIMM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
8MB | (2) 1MB x 36 | None |
16MB | (2) 1MB x 36 | (2) 1MB x 36 |
16MB | (2) 2MB x 36 | None |
24MB | (2) 2MB x 36 | (2) 1MB x 36 |
32MB | (2) 2MB x 36 | (2) 2MB x 36 |
32MB | (2) 4MB x 36 | None |
40MB | (2) 4MB x 36 | (2) 1MB x 36 |
48MB | (2) 4MB x 36 | (2) 2MB x 36 |
64MB | (2) 4MB x 36 | (2) 4MB x 36 |
64MB | (2) 8MB x 36 | None |
72MB | (2) 8MB x 36 | (2) 1MB x 36 |
80MB | (2) 8MB x 36 | (2) 2MB x 36 |
96MB | (2) 8MB x 36 | (2) 4MB x 36 |
128MB | (2) 8MB x 36 | (2) 8MB x 36 |
128MB | (2) 16MB x 36 | None |
136MB | (2) 16MB x 36 | (2) 1MB x 36 |
144MB | (2) 16MB x 36 | (2) 2MB x 36 |
160MB | (2) 16MB x 36 | (2) 4MB x 36 |
192MB | (2) 16MB x 36 | (2) 8MB x 36 |
256MB | (2) 16MB x 36 | (2) 16MB x 36 |
Note: Board accepts EDO memory. | ||
DIMM CONFIGURATION | ||
Size | Bank 2 | Bank 3 |
8MB | (1) 1MB x 64 | None |
16MB | (1) 1MB x 64 | (1) 1MB x 64 |
16MB | (1) 2MB x 64 | None |
24MB | (1) 2MB x 64 | (1) 1MB x 64 |
32MB | (1) 2MB x 64 | (1) 2MB x 64 |
32MB | (1) 4MB x 64 | None |
40MB | (1) 4MB x 64 | (1) 1MB x 64 |
48MB | (1) 4MB x 64 | (1) 2MB x 64 |
64MB | (1) 4MB x 64 | (1) 4MB x 64 |
64MB | (1) 8MB x 64 | None |
72MB | (1) 8MB x 64 | (1) 1MB x 64 |
80MB | (1) 8MB x 64 | (1) 2MB x 64 |
96MB | (1) 8MB x 64 | (1) 4MB x 64 |
128MB | (1) 8MB x 64 | (1) 8MB x 64 |
128MB | (1) 16MB x 64 | None |
136MB | (1) 16MB x 64 | (1) 1MB x 64 |
144MB | (1) 16MB x 64 | (1) 2MB x 64 |
160MB | (1) 16MB x 64 | (1) 4MB x 64 |
192MB | (1) 16MB x 64 | (1) 8MB x 64 |
256MB | (1) 16MB x 64 | (1) 16MB x 64 |
Note: Board accepts EDO and SDRAM. Bank 2 cannot be used in conjunction with SIMM banks. | ||
CPU SPEED SELECTION (CX 6X86) | ||||||||
Speed | Clock speed | Multiplier | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
150MHz | 60MHz | 2x | On | Off | Off | On | Off | Off |
166MHz | 66MHz | 2x | On | Off | Off | Off | Off | Off |
200MHz | 75MHz | 2x | On | Off | Off | Off | On | Off |
CPU SPEED SELECTION (IBM 6X86) | ||||||||
Speed | Clock speed | Multiplier | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
150MHz | 60MHz | 2x | On | Off | Off | On | Off | Off |
166MHz | 66MHz | 2x | On | Off | Off | Off | Off | Off |
200MHz | 75MHz | 2x | On | Off | Off | Off | On | Off |
CPU SPEED SELECTION (CX 6X86L) | ||||||||
Speed | Clock speed | Multiplier | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
150MHz | 60MHz | 2x | On | Off | Off | On | Off | Off |
166MHz | 66MHz | 2x | On | Off | Off | Off | Off | Off |
200MHz | 75MHz | 2x | On | Off | Off | Off | On | Off |
CPU SPEED SELECTION (IBM 6X86L) | ||||||||
Speed | Clock speed | Multiplier | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
150MHz | 60MHz | 2x | On | Off | Off | On | Off | Off |
166MHz | 66MHz | 2x | On | Off | Off | Off | Off | Off |
200MHz | 75MHz | 2x | On | Off | Off | Off | On | Off |
CPU SPEED SELECTION (CX 6X86MX) | ||||||||
Speed | Clock speed | Multiplier | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
166MHz | 60MHz | 2.5x | On | On | Off | On | Off | Off |
200MHz | 75MHz | 2x | On | Off | Off | Off | On | Off |
CPU SPEED SELECTION (IBM 6X86MX) | ||||||||
Speed | Clock speed | Multiplier | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
166MHz | 60MHz | 2.5x | On | On | Off | On | Off | Off |
200MHz | 75MHz | 2x | On | Off | Off | Off | On | Off |
CPU SPEED SELECTION (AM K5) | ||||||||
Speed | Clock speed | Multiplier | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
120MHz | 60MHz | 2x | On | Off | Off | On | Off | Off |
133MHz | 66MHz | 2x | On | Off | Off | Off | Off | Off |
166MHz | 66MHz | 2.5x | On | On | Off | Off | Off | Off |
CPU SPEED SELECTION (AM K6) | ||||||||
Speed | Clock speed | Multiplier | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
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 (PENTIUM) | ||||||||
Speed | Clock speed | Multiplier | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
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 |
CPU SPEED SELECTION (PENTIUM MMX) | ||||||||
Speed | Clock speed | Multiplier | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
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 VOLTAGE SELECTION | ||
Voltage | SW1/1 | SW1/2 |
Auto detection | Off | Off |
Note: Using the auto detection mode, CPU voltage is selected from within the BIOS. No alternative settings are provided. | ||