GEMLIGHT COMPUTER LTD.
GMB-P58VMG (VER. 1.00)
| Device Type | Mainboard |
| Processor | CX 6X86L/CX 686MX/IBM 6X86MX/CX MII/IDT C6/AM K5/AM K6/AM K6-2/Pentium/Pentium MMX |
| Processor Speed | 90/100/120/133/150/166/180/188/200/208/225/233/250/266/300/333/350MHz |
| Chip Set | VIA |
| Audio Chip Set | Yamaha |
| Maximum Onboard Memory | 256MB (EDO & SDRAM supported) |
| Cache | Undentified |
| BIOS | Award |
| Dimensions | 244mm x 195mm |
| I/O Options | 32-bit PCI slots (3), floppy drive interface, game port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB ports (2), ATX power connector, AGP slot, line in, line out, microphone in, audio in - CD-ROMs (2), Wake-on-LAN connector, Wake-on-Modem connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| AGP slot | AGP | IDE interface 2 | CN14 |
| ATX power connector | ATX | Power switch | J1 |
| PS/2 mouse port | CN1 | Unidentified | J2 |
| USB port 1 | CN2 | Power LED & keylock | J3 |
| USB port 2 | CN3 | PC speaker | J4 |
| Parallel port | CN4 | Reset switch | J5 |
| Serial port 1 | CN5 | Unidentified | J7 |
| Serial port 2 | CN6 | IDE interface LED | J8 |
| Line out | CN7 | IR connector | JP2 |
| Line in | CN8 | Wake-on-LAN connector | JP3 |
| Microphone in | CN9 | Wake-on-Modem connector | JP4 |
| Game port | CN10 | Audio in - CD-ROM (Mitsumi/Panasonic) | SJ4 |
| Fan power | CN11 | Audio in - CD-ROM (Sony) | SJ6 |
| Floppy drive interface | CN12 | 32-bit PCI slots | PC1 - PC3 |
| IDE interface 1 | CN13 | ||
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
|
Flash BIOS voltage select 5V | J6 |
Pins 2 & 3 closed |
| Flash BIOS voltage select 12V | J6 |
Pins 1 & 2 closed |
|
» |
CMOS memory normal operation | JP1 | Pins 1 & 2 closed |
| CMOS memory clear | JP1 | Pins 2 & 3 closed | |
| On board sound enabled | JP7 |
Closed |
|
| On board sound disabled | JP7 |
Open |
|
| SDRAM frequency set to match AGP frequency | SW1/7 | On | |
| SDRAM frequency set to match CPU frequency | SW1/7 | Off | |
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 |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
150MHz |
60MHz |
2x |
On | Off | Off | On | On | On |
166MHz |
66MHz |
2x |
On | Off | Off | Off | On | On |
200MHz |
75MHz |
2x |
On | Off | Off | On | On | Off |
CPU SPEED SELECTION (CX 6X86MX) |
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CPU speed |
Clock speed |
Multiplier |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
166MHz |
60MHz |
2.5x |
On | On | Off | On | On | On |
200MHz |
75MHz |
2x |
On | Off | Off | On | On | Off |
200MHz |
66MHz |
2.5x |
On | On | Off | Off | On | On |
233MHz |
75MHz |
2.5x |
On | On | Off | On | On | Off |
| 233MHz | 66MHz | 3x | Off | On | Off | Off | On | On |
CPU SPEED SELECTION (CX MII) |
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CPU speed |
Clock speed |
Multiplier |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
300MHz |
75MHz |
3x |
Off | On | Off | On | On | Off |
300MHz |
66MHz |
3.5x |
Off | Off | Off | Off | On | On |
333MHz |
100MHz |
2.5x |
On | On | Off | Off | Off | Off |
350MHz |
100MHz |
3x |
Off | On | Off | Off | Off | Off |
CPU SPEED SELECTION (IBM 6X86MX) |
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CPU speed |
Clock speed |
Multiplier |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
266MHz |
83MHz |
2.5x |
On | On | Off | Off | On | Off |
CPU SPEED SELECTION (IDT C6) |
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CPU speed |
Clock speed |
Multiplier |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
180MHz |
60MHz |
3x |
Off | On | Off | On | On | On |
200MHz |
66MHz |
3x |
Off | On | Off | Off | On | On |
CPU SPEED SELECTION (AM K5) |
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CPU speed |
Clock speed |
Multiplier |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
120MHz |
60MHz |
2x |
On | Off | Off | On | On | On |
133MHz |
66MHz |
2x |
On | Off | Off | Off | On | On |
| 166MHz | 66MHz | 2.5x | On | On | Off | Off | On | On |
CPU SPEED SELECTION (AM K6) |
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CPU speed |
Clock speed |
Multiplier |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
166MHz |
66MHz |
2.5x |
On | On | Off | Off | On | On |
200MHz |
66MHz |
3x |
Off | On | Off | Off | On | On |
| 233MHz | 66MHz | 3.5x | Off | Off | Off | Off | On | On |
| 266MHz | 66MHz | 4x | On | Off | On | Off | On | On |
| 300MHz | 66MHz | 4.5x | On | On | On | Off | On | On |
CPU SPEED SELECTION (AM K6-2) |
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CPU speed |
Clock speed |
Multiplier |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
250MHz |
100MHz |
2.5x |
On | On | Off | Off | Off | Off |
266MHz |
66MHz |
4x |
On | Off | On | Off | On | On |
| 300MHz | 100MHz | 3x | Off | On | Off | Off | Off | Off |
| 333MHz | 95MHz | 3.5x | Off | Off | Off | On | Off | Off |
| 350MHz | 100MHz | 3.5x | Off | Off | Off | Off | Off | Off |
CPU SPEED SELECTION (PENTIUM) |
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CPU speed |
Clock speed |
Multiplier |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
90MHz |
60MHz |
1.5x |
Off | Off | Off | On | On | On |
100MHz |
66MHz |
1.5x |
Off | Off | Off | Off | On | On |
120MHz |
60MHz |
2x |
On | Off | Off | On | On | On |
133MHz |
66MHz |
2x |
On | Off | Off | Off | On | On |
150MHz |
60MHz |
2.5x |
On | On | Off | On | On | On |
166MHz |
66MHz |
2.5x |
On | On | Off | Off | On | On |
200MHz |
66MHz |
3x |
Off | On | Off | Off | On | On |
CPU SPEED SELECTION (PENTIUM MMX) |
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CPU speed |
Clock speed |
Multiplier |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
166MHz |
66MHz |
2.5x |
On | On | Off | Off | On | On |
200MHz |
66MHz |
3x |
Off | On | Off | Off | On | On |
| 233MHz | 66MHz | 3.5x | Off | Off | Off | Off | On | On |