VEXTREC TECHNOLOGY INC.
GMB-P57IPA (VER. 1.22)
| Device Type | Mainboard |
| Processor | CX 6X86/CX 6X86L/CX 6X86MX/IBM 6X86MX/CX M2/IDT WinCHIP/AM K5/AM K6/Pentium/Pentium MMX |
| Processor Speed | 90/100/110/120/133/150/166/180/200/225/233/240/266/300MHz |
| Chip Set | Intel 430TX |
| Video Chip Set | S3 |
| Audio Chip Set | ESS |
| Maximum Onboard Memory | 256MB (EDO supported) |
| Maximum Video Memory | 4MB |
| Cache | 512KB |
| BIOS | Award |
| Dimensions | 200mm x 248mm |
| I/O Options | EISA extension slot, floppy drive interface, Green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, IR connector, USB connector (2), ATX power connector, audio in - CD-ROMs (2), wavetable connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| ATX power connector | ATX | Audio extension card connector | J14 |
| Reset switch | J1 | IR connector | J15 |
| Green PC connector | J2 | USB connector 1 | J16 |
| Green PC LED | J3 | USB connector 2 | J17 |
| PC speaker | J4 | Feature connector | J18 |
| IDE interface LED | J5 | Video memory board connector | J19 |
| Power LED & Keylock | J6 | Video memor board connector | J20 |
| IDE interface 1 | J7 | VGA port | J21 |
| IDE interface 2 | J8 | Parallel port | J22 |
| Floppy drive interface | J9 | Serial port 1 | J23 |
| Wavetable connector | J10 | Serial port 2 | J24 |
| Audio in - CD-ROM (Sony) | J11 | PS/2 mouse port | J25 |
| Audio in - CD-ROM (Mitsumi) | J12 | CPU fan power connector | J27 |
| Audio extension card connector | J13 | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
| On board video enabled | JP1 |
Closed |
|
| On bard video disabled | JP1 |
Open |
|
|
Flash BIOS voltage select 5V | JP3 |
Pins 2 & 3 closed |
| Flash BIOS voltage select 12V | JP3 |
Pins 1 & 2 closed |
|
| On board sound enabled | JP4 |
Closed |
|
| On board sound disabled | JP4 |
Open |
|
» |
Factory configured - do not alter | JP6 |
Pins 2 & 3 closed |
» |
CMOS normal operation | JP7 | Pins 1 & 2 closed |
| CMOS clear memory | JP7 | Pins 2 & 3 closed | |
SIMM CONFIGURATION (NEEDING 256MB) |
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Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 36 |
None |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
32MB |
(2) 4M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
64MB |
(2) 8M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
128MB |
(2) 16M x 36 |
None |
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
| Note: Board accepts EDO memory. | ||
POWER SUPPLY SELECTION |
||
Setting |
JP8 |
JP9 |
AT power supply |
Closed |
Open |
ATX power supply |
Open |
Closed |
CPU SPEED SELECTION (CX 6X86L) |
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CPU 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 | On | Off |
200MHz |
75MHz |
2x |
On | Off | Off | Off | Off | On |
CPU SPEED SELECTION (CX 6X86MX) |
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CPU 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 | Off | On |
CPU SPEED SELECTION (CX M2) |
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CPU speed |
Clock speed |
Multiplier |
SW1/3 |
SW1/4 | SW1/5 |
SW1/6 | SW1/7 |
SW1/8 |
300MHz |
75MHz |
3x |
Off | On | Off | Off | Off | On |
300MHz |
66MHz |
3.5x |
Off | Off | Off | Off | On | Off |
CPU SPEED SELECTION (IBM 6X86MX) |
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CPU speed |
Clock speed |
Multiplier |
SW1/3 |
SW1/4 | SW1/5 |
SW1/6 | SW1/7 |
SW1/8 |
300MHz |
75MHz |
3x |
Off | On | Off | Off | Off | On |
300MHz |
66MHz |
3.5x |
Off | Off | Off | Off | On | Off |
CPU SPEED SELECTION (AM K5) |
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CPU 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 | On | Off |
| 166MHz | 66MHz | 2.5x | On | On | Off | Off | On | Off |
CPU SPEED SELECTION (AM K6) |
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CPU speed |
Clock speed |
Multiplier |
SW1/3 |
SW1/4 | SW1/5 |
SW1/6 | SW1/7 |
SW1/8 |
166MHz |
66MHz |
2.5x |
On | On | Off | Off | On | Off |
200MHz |
66MHz |
3x |
Off | On | Off | Off | On | Off |
| 233MHz | 66MHz | 3.5x | Off | Off | Off | Off | On | Off |
| 266MHz | 66MHz | 4x | On | Off | On | Off | On | Off |
| 300MHz | 66MHz | 4.5x | On | On | On | Off | On | Off |
CPU SPEED SELECTION (IDT WinCHIP C6) |
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CPU speed |
Clock speed |
Multiplier |
SW1/3 |
SW1/4 | SW1/5 |
SW1/6 | SW1/7 |
SW1/8 |
180MHz |
60MHz |
3x |
Off | On | Off | On | Off | Off |
200MHz |
66MHz |
3x |
Off | On | Off | Off | On | Off |
| 225MHz | 75MHz | 3x | Off | On | Off | Off | Off | On |
| 240MHz | 60MHz | 4x | On | Off | On | On | Off | Off |
CPU SPEED SELECTION (PENTIUM) |
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CPU 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 | On | Off |
120MHz |
60MHz |
2x |
On | Off | Off | On | Off | Off |
133MHz |
66MHz |
2x |
On | Off | Off | Off | On | Off |
166MHz |
66MHz |
2.5x |
On | On | Off | Off | On | Off |
200MHz |
66MHz |
3x |
Off | On | Off | Off | On | Off |
CPU SPEED SELECTION (PENTIUM MMX) |
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CPU speed |
Clock speed |
Multiplier |
SW1/3 |
SW1/4 | SW1/5 |
SW1/6 | SW1/7 |
SW1/8 |
166MHz |
66MHz |
2.5x |
On | On | Off | Off | On | Off |
200MHz |
66MHz |
3x |
Off | On | Off | Off | On | Off |
| 233MHz | 66MHz | 3.5x | Off | Off | Off | Off | On | Off |
CPU VOLTAGE SELECTION |
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Voltage |
SW1/1 | SW1/2 | JP5 |
| 2.2V | Off | On | Closed |
| 2.8V | Off | Off | Closed |
| 2.9V | On | Off | Closed |
| 3.2V | Off | Off | Open |
| 3.3V | Off | On | Open |
| 3.5V | On | On | Open |
| Auto Detect | Off | Off | Open |