VEXTREC TECHNOLOGY INC.
GMB-P58VPA (VER. 1.00)
| Device Type | Mainboard |
| Processor | CX 6X86L/CX 686MX/IBM 6X86MX/CX M2/AM K5/AM K6/AM K6-2/IDT WinCHIP/Pentium/Pentium MMX |
| Processor Speed | 90/100/110/120/133/150/166/180/200/225/233/250/266/300/333/350MHz |
| Chip Set | VIA |
| Video Chip Set | ATI |
| Audio Chip Set | ESS |
| Maximum Onboard Memory | 256MB (EDO & SDRAM supported) |
| Maximum Video Memory | 8MB |
| Cache | 512KB |
| BIOS | Award |
| Dimensions | 200mm x 270mm |
| I/O Options | EISA slot, Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, IR connector, USB interfaces (2), ATX power connector, wavetable connector, audio in - CD-ROMs (2), Fast IR connector, Power-on-ring connector, TV-out extension connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| ATX power connector | ATX | CPU fan power | J2 |
| PS/2 mouse port | CN1 | VGA feature connector | J3 |
| Serial port 2 | CN2 | TV-out extension connector | J4 |
| Serial port 1 | CN3 | Power-on-ring connector | J5 |
| LCD connector | CN4 | Parallel port | J6 |
| VGA port | CN5 | USB interface 1 | J7 |
| Floppy drive interface | CN7 | USB interface 2 | J8 |
| IDE interface 1 | CN8 | Fast IR connector | J9 |
| IDE interface 2 | CN9 | Audio in - CD-ROM (Panasonic) | J15 |
| IDE interface LED | J1/Pins 1 & 2 | Audio in - CD-ROM (Sony) | J16 |
| Green PC LED | J1/Pins 3 & 4 | Wavetable connector | J17 |
| Power switch | J1/Pins 5 & 6 | Audio extension connector 1 | J18 |
| Reset switch | J1/Pins 9 & 10 | Audio extension connector 2 | J19 |
| Power LED & Keylock | J1/Pins 11 - 15 | IR connector | J26 |
| PC speaker | J1/Pins 17 - 20 | EISA extension slot | SL1 |
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
| On board video enabled | JP2 |
Closed |
|
| On board video disabled | JP2 |
Open |
|
| CPU overheat alarm enabled | JP4 | Pins 2 & 3 closed | |
| CPU overheat alarm disabled | JP4 | Open | |
|
Flash BIOS voltage select 5V | JP5 |
Pins 1 & 2 closed |
| Flash BIOS voltage select 12V | JP5 |
Pins 2 & 3 closed |
|
| On board sound enabled | JP6 |
Closed |
|
| On board sound disabled | JP6 |
Open |
|
» |
CMOS memory normal operation | JP7 | Pins 1 & 2 closed |
| CMOS memory clear | JP7 | Pins 2 & 3 closed | |
| AT power supply | JP12 |
Closed | |
| ATX power supply | JP12 |
Open |
|
SIMM CONFIGURATION |
|
Size |
Bank 0 |
8MB |
(2) 1M x 36 |
16MB |
(2) 2M x 36 |
32MB |
(2) 4M x 36 |
64MB |
(2) 8M x 36 |
128MB |
(2) 16M x 36 |
| Note: Board accepts EDO memory. | |
DIMM CONFIGURATION |
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Size |
Bank 1 |
Bank 2 |
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 |
| Note: Board supports EDO & SDRAM memory. | ||
SDRAM CLOCK SELECTION |
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Setting |
JP8 | JP11 | |
| » | 66MHz | Pins 1 & 2 closed | Pins 2 & 3 closed |
| Match CPU bus frequency | Pins 2 & 3 closed | Pins 1 & 2 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 | On | On |
| 166MHz | 66MHz | 2x | On | Off | Off | On | On | Off |
| 200MHz | 75MHz | 2x | On | Off | Off | On | On | Off |
CPU SPEED SELECTION (CX 6X86L CON'T) |
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CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
| 150MHz | 60MHz | 2x | Pins 2 & 3 closed | Pins 1 & 2 closed |
| 166MHz | 66MHz | 2x | Pins 2 & 3 closed | Pins 1 & 2 closed |
| 200MHz | 75MHz | 2x | Pins 1 & 2 closed | Pins 2 & 3 closed |
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 | On | On |
| 200MHz | 66MHz | 2.5x | On | On | Off | Off | On | On |
| 200MHz | 75MHz | 2x | On | Off | Off | On | On | Off |
| 233MHz | 66MHz | 3x | Off | On | Off | Off | On | On |
| 233MHz | 75MHz | 2.5x | On | On | Off | On | On | Off |
CPU SPEED SELECTION (CX 6X86MX CON'T) |
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CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
| 166MHz | 60MHz | 2.5x | Pins 2 & 3 closed | Pins 1 & 2 closed |
| 200MHz | 66MHz | 2.5x | Pins 2 & 3 closed | Pins 1 & 2 closed |
| 200MHz | 75MHz | 2x | Pins 1 & 2 closed | Pins 1 & 2 closed |
| 233MHz | 66MHz | 3x | Pins 2 & 3 closed | Pins 1 & 2 closed |
| 233MHz | 75MHz | 2.5x | Pins 1 & 2 closed | Pins 1 & 2 closed |
CPU SPEED SELECTION (CX MII) |
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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 | On | On | Off |
| 300MHz | 66MHz | 3.5x | Off | Off | Off | Off | On | On |
CPU SPEED SELECTION (CX MII CON'T) |
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CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
| 300MHz | 75MHz | 3x | Pins 1 & 2 closed | Pins 2 & 3 closed |
| 300MHz | 66MHz | 3.5x | Pins 2 & 3 closed | Pins 1 & 2 closed |
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 |
| 266MHz | 83MHz | 2.5x | On | On | Off | Off | On | Off |
| 300MHz | 75MHz | 3x | Off | On | Off | On | On | Off |
| 300MHz | 66MHz | 3.5x | Off | Off | Off | Off | On | On |
| 333MHz | 83MHz | 3x | Off | On | Off | Off | On | Off |
CPU SPEED SELECTION (IBM 6X86MX CON'T) |
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CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
| 266MHz | 83MHz | 2.5x | Pins 1 & 2 closed | Pins 1 & 2 closed |
| 300MHz | 75MHz | 3x | Pins 1 & 2 closed | Pins 1 & 2 closed |
| 300MHz | 66MHz | 3.5x | Pins 2 & 3 closed | Pins 1 & 2 closed |
| 333MHz | 83MHz | 3x | Pins 1 & 2 closed | Pins 1 & 2 closed |
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 | 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 K5 CON'T) |
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CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
120MHz |
60MHz |
2x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
133MHz |
66MHz |
2x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
| 166MHz | 66MHz | 2.5x | Pins 2 & 3 closed | Pins 1 & 2 closed |
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 | 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 CON'T) |
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CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
166MHz |
66MHz |
2.5x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
200MHz |
66MHz |
3x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
| 233MHz | 66MHz | 3.5x | Pins 2 & 3 closed | Pins 1 & 2 closed |
| 266MHz | 66MHz | 4x | Pins 2 & 3 closed | Pins 1 & 2 closed |
| 300MHz | 66MHz | 4.5x | Pins 2 & 3 closed | Pins 1 & 2 closed |
CPU SPEED SELECTION (AM K6-2) |
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CPU speed |
Clock speed |
Multiplier |
SW1/3 |
SW1/4 | SW1/5 |
SW1/6 | SW1/7 |
SW1/8 |
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 (AM K6-2 CON'T) |
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CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
250MHz |
100MHz |
2.5x |
Pins 1 & 2 closed | Pins 2 & 3 closed |
266MHz |
66MHz |
4x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
| 300MHz | 100MHz | 3x | Pins 1 & 2 closed | Pins 2 & 3 closed |
| 333MHz | 95MHz | 3.5x | Pins 1 & 2 closed | Pins 2 & 3 closed |
| 350MHz | 100MHz | 3.5x | Pins 1 & 2 closed | Pins 2 & 3 closed |
CPU SPEED SELECTION (IDT WINCHIP) |
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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 | On | On |
| 200MHz | 66MHz | 3x | Off | On | Off | Off | On | On |
CPU SPEED SELECTION (IDT WINCHIP CON'T) |
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CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
| 180MHz | 60MHz | 3x | Pins 2 & 3 closed | Pins 1 & 2 closed |
| 200MHz | 66MHz | 3x | Pins 2 & 3 closed | Pins 1 & 2 closed |
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 | 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 CON'T) |
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CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
90MHz |
60MHz |
1.5x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
100MHz |
66MHz |
1.5x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
120MHz |
60MHz |
2x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
133MHz |
66MHz |
2x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
150MHz |
60MHz |
2.5x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
166MHz |
66MHz |
2.5x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
200MHz |
66MHz |
3x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
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 | On |
200MHz |
66MHz |
3x |
Off | On | Off | Off | On | On |
| 233MHz | 66MHz | 3.5x | Off | Off | Off | Off | On | On |
CPU SPEED SELECTION (PENTIUM MMX CON'T) |
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CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
166MHz |
66MHz |
2.5x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
200MHz |
66MHz |
3x |
Pins 2 & 3 closed | Pins 1 & 2 closed |
| 233MHz | 66MHz | 3.5x | Pins 2 & 3 closed | Pins 1 & 2 closed |
CPU VOLTAGE SELECTION |
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Voltage |
JP1 | SW1/1 | SW1/2 |
| 2.2V | Closed | Off | On |
| 2.8V | Closed | Off | Off |
| 2.9V | Closed | On | Off |
| 3.2V | Open | Off | Off |
| 3.3V | Open | Off | On |
| 3.5V | Closed | On | On |