GEMLIGHT COMPUTER LTD.
GMB-P57SAX (VER. 3.00)
| Device Type | Mainboard |
| Processor | CX 6X86L/CX 6X86MX/IBM 6X86MX/CX MII/IDT C6/AM K5/AM K6/AM K6-2/Pentium/Pentium MMX |
| Processor Speed | 90/100/110/120/133/150/166/200/233/250/266/300/333MHz |
| Chip Set | SIS |
| Video Chip Set | SIS |
| Audio Chip Set | ESS |
| Maximum Onboard Memory | 256MB (EDO & SDRAM supported) |
| Maximum Video Memory | Unidentified |
| Cache | 512KB |
| BIOS | Award |
| Dimensions | 245mm x 210mm |
| I/O Options | 32-bit PCI slots (3), floppy drive interface, game port, Green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, IR connector, USB ports (2), ATX power connector, line in, line out, microphone in, audio in - CD-ROMs (2), Wake-on-LAN connector, TV-out connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| ATX power connector | ATX | Power LED & Keylock | J1/Pins 1, 3, 5, 7 & 9 |
| PS/2 mouse port | CN1 | PC speaker | J1/Pins 13, 15, 17 & 19 |
| USB port 1 | CN2 | Reset switch | J1/Pins 18 & 20 |
| USB port 2 | CN3 | Power switch | J1/Pins 14 & 16 |
| Parallel port | CN4 | Green PC switch | J1/Pins 10 & 12 |
| Serial port 1 | CN5 | Green PC LED | J1/Pins 6 & 8 |
| VGA port | CN6 | IDE interface LED | J1/Pins 2 & 4 |
| Line out | CN7 | Audio in - CD-ROM | J3 |
| Line in | CN8 | Audio in - CD-ROM | J4 |
| Microphone in | CN9 | IR connector | J8 |
| Game port | CN10 | Wake-on-Modem connector | J9 |
| Serial interface 2 | CN11 | VGA feature connector | J10 |
| Floppy drive interface | CN12 | CPU fan power | J17 |
| IDE interface 1 | CN13 | TV-out connector | J18 |
| IDE interface 2 | CN14 | 32-bit PCI slots | PC1 - PC3 |
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
|
Flash BIOS voltage select 5V | JP1 |
Pins 2 & 3 closed |
| Flash BIOS voltage select 12V | JP1 |
Pins 1 & 2 closed |
|
» |
Factory configured - do not alter | JP6 |
Off |
» |
Factory configured - do not alter | JP7 |
Unidentified |
» |
CMOS memory normal operation | JP8 | Pins 1 & 2 closed |
| CMOS memory clear | JP8 | Pins 2 & 3 closed | |
| On board sound enabled | JP3 |
Closed |
|
| On board sound disabled | JP3 |
Open |
|
DIMM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
8MB |
(1) 1M x 64 |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
16MB |
(1) 2M x 64 |
None |
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
32MB |
(1) 4M x 64 |
None |
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
64MB |
(1) 8M x 64 |
None |
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 |
128MB |
(1) 16M x 64 |
None |
136MB |
(1) 16M x 64 |
(1) 1M x 64 |
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
160MB |
(1) 16M x 64 |
(1) 4M x 64 |
192MB |
(1) 16M x 64 |
(1) 8M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
| Note: Board supports EDO & SDRAM memory. | ||
CPU SPEED SELECTION (CX 6X86L) |
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CPU speed |
Clock speed |
Multiplier |
SW1/5 | SW1/6 | SW1/7 | SW1/8 |
SW1/9 |
SW1/10 |
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 | On |
CPU SPEED SELECTION (CX 6X86MX) |
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CPU speed |
Clock speed |
Multiplier |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
SW1/9 |
SW1/10 |
166MHz |
60MHz |
2.5x |
On | On | Off | On | Off | Off |
200MHz |
75MHz |
2x |
On | Off | Off | Off | On | On |
200MHz |
66MHz |
2.5x |
On | On | Off | Off | Off | Off |
233MHz |
75MHz |
2.5x |
On | On | Off | Off | On | On |
233MHz |
66MHz |
3x |
Off | On | Off | Off | Off | Off |
CPU SPEED SELECTION (CX MII) |
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CPU speed |
Clock speed |
Multiplier |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
SW1/9 |
SW1/10 |
300MHz |
75MHz |
3x |
Off | On | Off | Off | On | On |
300MHz |
66MHz |
3.5x |
Off | Off | Off | Off | Off | Off |
CPU SPEED SELECTION (IBM 6X86MX) |
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CPU speed |
Clock speed |
Multiplier |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
SW1/9 |
SW1/10 |
266MHz |
83MHz |
2.5x |
On | On | Off | On | On | On |
300MHz |
75MHz |
3x |
Off | On | Off | Off | On | On |
300MHz |
66MHz |
3.5x |
Off | Off | Off | Off | Off | Off |
333MHz |
83MHz |
3x |
Off | On | Off | On | On | On |
CPU SPEED SELECTION (AM K5) |
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CPU speed |
Clock speed |
Multiplier |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
SW1/9 |
SW1/10 |
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) |
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CPU speed |
Clock speed |
Multiplier |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
SW1/9 |
SW1/10 |
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 | On | Off | On | Off | Off | Off |
| 300MHz | 66MHz | 4.5x | On | On | On | Off | Off | Off |
CPU SPEED SELECTION (AM K6-2) |
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CPU speed |
Clock speed |
Multiplier |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
SW1/9 |
SW1/10 |
266MHz |
66MHz |
4x |
On | Off | On | Off | Off | Off |
CPU SPEED SELECTION (IDT C6) |
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CPU speed |
Clock speed |
Multiplier |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
SW1/9 |
SW1/10 |
180MHz |
60MHz |
3x |
Off | On | Off | On | Off | Off |
200MHz |
66MHz |
3x |
Off | On | Off | Off | Off | Off |
CPU SPEED SELECTION (PENTIUM) |
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CPU speed |
Clock speed |
Multiplier |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
SW1/9 |
SW1/10 |
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) |
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CPU speed |
Clock speed |
Multiplier |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
SW1/9 |
SW1/10 |
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 |
VIDEO SELECTION |
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Setting |
JP4 | JP5 |
| On board VGA enabled | Pins 2 & 3 closed | Pins 1 & 2 closed |
| On board VGA disabled | Pins 1 & 2 closed | Pins 2 & 3 closed |
CPU VOLTAGE SELECTION |
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Voltage |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | JP2 | S1 |
| 2.2V | Off | On | Off | Off | Open | Open |
| 2.8V | Off | Off | Off | On | Open | Open |
| 2.9V | On | Off | Off | On | Open | Open |
| 3.2V | Off | Off | On | On | Open | Open |
| 3.3V | On | Off | On | On | Closed | Closed |
| 3.5V | On | On | On | On | Closed | Closed |