VEXTREC TECHNOLOGY, INC.
GMB-P56IPA (VER. 1.01)
|
Device Type |
Mainboard |
|
Processor |
CX 6X68/AM K5/Pentium/Pentium MMX |
|
Processor Speed |
75/90/100/120/133/150/166/180/200MHz |
|
Chip Set |
Intel 430VX |
|
Video Chip Set |
S3 |
|
Maximum Onboard Memory |
128MB (EDO & SDRAM supported) |
|
Maximum Video Memory |
2MB |
|
Cache |
256/512KB |
|
BIOS |
AMI/Award |
|
I/O Options |
IDE interfaces (2), floppy drive interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, VGA feature connector, cache slot, expansion slot, IR connector, USB connectors (2), FIR connector, MPEG module connector, green PC connector |
|
Dimensions |
200mm x 320mm |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
J1 |
VGA port |
J14 |
|
Green PC connector |
J2 |
Parallel port |
J15 |
|
Suspend LED |
J3 |
Serial port 1 |
J16 |
|
Speaker |
J4 |
Serial port 2 |
J17 |
|
IDE interface LED |
J5 |
USB connector 1 |
J18 |
|
Power LED & keylock |
J6 |
USB connector 2 |
J19 |
|
IDE interface 1 |
J7 |
FIR connector |
J20 |
|
IDE interface 2 |
J8 |
IR connector |
J21 |
|
Floppy drive interface |
J9 |
PS/2 mouse port |
J22 |
|
VGA feature connector |
J12 |
Expansion slot |
SL1 |
|
S3 MPEG module upgrade connector |
J13 |
Cache slot |
SL2 |
|
USER CONFIGURABLE SETTINGS | ||||
|
S3 MPEG Module not installed |
JP8 |
Open | ||
|
S3 MPEG Module installed |
JP8 |
Closed | ||
|
» |
CMOS memory normal operation |
JP9 |
Open | |
|
CMOS memory clear |
JP9 |
Closed | ||
|
Flash BIOS voltage select 12v |
JP13 |
Pins 1 & 2 closed | ||
|
Flash BIOS voltage select 5v |
JP13 |
Pins 2 & 3 closed | ||
|
On board VGA enabled |
JP14 |
Closed | ||
|
On board VGA disabled |
JP14 |
Open | ||
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
8MB |
(2) 1MB x 36 |
None |
None |
|
16MB |
(2) 1MB x 36 |
(2) 1MB x 36 |
None |
|
16MB |
(2) 2MB x 36 |
None |
None |
|
24MB |
(2) 1MB x 36 |
(2) 1MB x 36 |
(1) 1MB x 64 |
|
24MB |
(2) 2MB x 36 |
(2) 1MB x 36 |
None |
|
32MB |
(2) 2MB x 36 |
(2) 2MB x 36 |
None |
|
32MB |
(2) 4MB x 36 |
None |
None |
|
40MB |
(2) 2MB x 36 |
(2) 2MB x 36 |
(1) 1MB x 64 |
|
40MB |
(2) 4MB x 36 |
(2) 1MB x 36 |
None |
|
48MB |
(2) 2MB x 36 |
(2) 2MB x 36 |
(1) 2MB x 64 |
|
48MB |
(2) 4MB x 36 |
(2) 2MB x 36 |
None |
|
64MB |
(2) 4MB x 36 |
(2) 4MB x 36 |
None |
|
64MB |
(2) 8MB x 36 |
None |
None |
|
72MB |
(2) 4MB x 36 |
(2) 4MB x 36 |
(1) 1MB x 64 |
|
72MB |
(2) 8MB x 36 |
(2) 1MB x 36 |
None |
|
80MB |
(2) 4MB x 36 |
(2) 4MB x 36 |
(1) 2MB x 64 |
|
80MB |
(2) 8MB x 36 |
(2) 2MB x 36 |
None |
|
96MB |
(2) 4MB x 36 |
(2) 4MB x 36 |
(1) 4MB x 64 |
|
96MB |
(2) 8MB x 36 |
(2) 4MB x 36 |
None |
|
128MB |
(2) 8MB x 36 |
(2) 8MB x 36 |
None |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
256KB |
(2) 32K x 36 |
None |
(1) 8K/16K/32K x 8 |
|
512KB |
(2) 32K x 36 |
256K module installed at SL2 |
(1) 8K/16K/32K x 8 |
|
VIDEO MEMORY CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(2) 256KB x 16 |
None |
|
2MB |
(2) 256KB x 16 |
(2) 256KB x 16 |
|
CPU SPEED SELECTION (CX 6X86) | |||||||
|
Speed |
Clock speed |
Multiplier |
JP4 |
JP5 |
S1 |
S2 |
S3 |
|
120MHz |
60MHz |
2x |
1 & 2 |
2 & 3 |
Closed |
Closed |
Open |
|
133MHz |
66MHz |
2x |
1 & 2 |
2 & 3 |
Open |
Closed |
Open |
|
150MHz |
60MHz |
2.5x |
1 & 2 |
2 & 3 |
Closed |
Open |
Open |
|
166MHz |
66MHz |
2.5x |
1 & 2 |
2 & 3 |
Open |
Open |
Open |
|
200MHz |
66MHz |
3x |
1 & 2 |
2 & 3 |
Open |
Open |
Closed |
|
Note: Designated pins should be in the closed position. Settings are with clock generator installed on U8. | |||||||
|
CPU SPEED SELECTION (AM K5) | |||||||
|
Speed |
Clock speed |
Multiplier |
JP4 |
JP5 |
S1 |
S2 |
S3 |
|
75MHz |
50MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Closed |
Open |
|
90MHz |
60MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
|
100MHz |
66MHz |
1.5x |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
120MHz |
60MHz |
2x |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
|
133MHz |
66MHz |
2x |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
150MHz |
60MHz |
2.5x |
1 & 2 |
2 & 3 |
Closed |
Open |
Open |
|
166MHz |
66MHz |
2.5x |
1 & 2 |
2 & 3 |
Open |
Open |
Open |
|
Note: Designated pins should be in the closed position. Settings are with clock generator installed on U8. | |||||||
|
CPU SPEED SELECTION (PENTIUM) | |||||||
|
Speed |
Clock speed |
Multiplier |
JP4 |
JP5 |
S1 |
S2 |
S3 |
|
75MHz |
50MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Closed |
Open |
|
90MHz |
60MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
|
100MHz |
66MHz |
1.5x |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
120MHz |
60MHz |
2x |
1 & 2 |
2 & 3 |
Closed |
Open |
Open |
|
133MHz |
66MHz |
2x |
1 & 2 |
2 & 3 |
Open |
Open |
Open |
|
150MHz |
60MHz |
2.5x |
2 & 3 |
2 & 3 |
Closed |
Open |
Open |
|
166MHz |
66MHz |
2.5x |
2 & 3 |
2 & 3 |
Open |
Open |
Open |
|
180MHz |
60MHz |
3x |
2 & 3 |
1 & 2 |
Closed |
Open |
Open |
|
200MHz |
66MHz |
3x |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
|
Note: Designated pins should be in the closed position. Settings are with clock generator installed on U8. | |||||||
|
CPU SPEED SELECTION (PENTIUM MMX) | |||||||
|
Speed |
Clock speed |
Multiplier |
JP4 |
JP5 |
S1 |
S2 |
S3 |
|
150MHz |
60MHz |
2.5x |
2 & 3 |
2 & 3 |
Closed |
Open |
Open |
|
166MHz |
66MHz |
2.5x |
2 & 3 |
2 & 3 |
Open |
Open |
Open |
|
180MHz |
60MHz |
3x |
2 & 3 |
1 & 2 |
Closed |
Open |
Open |
|
200MHz |
66MHz |
3x |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
|
Note: Designated pins should be in the closed position. Settings are with clock generator installed on U8. | |||||||
|
ALTERNATE CPU SPEED SELECTION (CX 6X86) | |||||||
|
Speed |
Clock speed |
Multiplier |
JP4 |
JP5 |
S1 |
S2 |
S3 |
|
120MHz |
50MHz |
2x |
1 & 2 |
2 & 3 |
Closed |
Closed |
Closed |
|
133MHz |
55MHz |
2x |
1 & 2 |
2 & 3 |
Closed |
Closed |
Open |
|
150MHz |
60MHz |
2x |
1 & 2 |
2 & 3 |
Closed |
Open |
Open |
|
166MHz |
66MHz |
2x |
1 & 2 |
2 & 3 |
Open |
Open |
Open |
|
200MHz |
66MHz |
2.5x |
1 & 2 |
2 & 3 |
Open |
Closed |
Open |
|
Note: Designated pins should be in the closed position. Settings are with clock generator installed on U7. | |||||||
|
ALTERNATE CPU SPEED SELECTION (AM K5) | |||||||
|
Speed |
Clock speed |
Multiplier |
JP4 |
JP5 |
S1 |
S2 |
S3 |
|
75MHz |
50MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Closed |
Closed |
|
90MHz |
60MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
|
100MHz |
66MHz |
1.5x |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
120MHz |
60MHz |
2x |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
|
133MHz |
66MHz |
2x |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
150MHz |
60MHz |
2.5x |
1 & 2 |
2 & 3 |
Closed |
Open |
Open |
|
166MHz |
66MHz |
2.5x |
1 & 2 |
2 & 3 |
Open |
Open |
Open |
|
Note: Designated pins should be in the closed position. Settings are with clock generator installed on U7. | |||||||
|
ALTERNATE CPU SPEED SELECTION (PENTIUM) | |||||||
|
Speed |
Clock speed |
Multiplier |
JP4 |
JP5 |
S1 |
S2 |
S3 |
|
75MHz |
50MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Closed |
Closed |
|
90MHz |
60MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
|
100MHz |
66MHz |
1.5x |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
120MHz |
60MHz |
2x |
1 & 2 |
2 & 3 |
Closed |
Open |
Open |
|
133MHz |
66MHz |
2x |
1 & 2 |
2 & 3 |
Open |
Open |
Open |
|
150MHz |
60MHz |
2.5x |
2 & 3 |
2 & 3 |
Closed |
Open |
Open |
|
166MHz |
66MHz |
2.5x |
2 & 3 |
2 & 3 |
Open |
Open |
Open |
|
180MHz |
60MHz |
3x |
2 & 3 |
1 & 2 |
Closed |
Open |
Open |
|
200MHz |
66MHz |
3x |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
|
Note: Designated pins should be in the closed position. Settings are with clock generator installed on U7. | |||||||
|
ALTERNATE CPU SPEED SELECTION (PENTIUM MMX) | |||||||
|
Speed |
Clock speed |
Multiplier |
JP4 |
JP5 |
S1 |
S2 |
S3 |
|
150MHz |
60MHz |
2.5x |
2 & 3 |
2 & 3 |
Closed |
Open |
Open |
|
166MHz |
66MHz |
2.5x |
2 & 3 |
2 & 3 |
Open |
Open |
Open |
|
180MHz |
60MHz |
3x |
2 & 3 |
1 & 2 |
Closed |
Open |
Open |
|
200MHz |
66MHz |
3x |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
|
Note: Designated pins should be in the closed position. Settings are with clock generator installed on U7. | |||||||
|
CPU VOLTAGE SELECTION (SINGLE) | |||||
|
Voltage |
Q2 |
JP3 |
S4 |
S5 |
S6 |
|
3.4v |
2 transistors installed |
Closed |
N/A |
N/A |
N/A |
|
3.4v |
1 transistor installed |
Closed |
Closed |
Closed |
Closed |
|
3.5v |
2 transistors installed |
Open |
N/A |
N/A |
N/A |
|
3.5v |
1 transistors installed |
Open |
Closed |
Closed |
Closed |
|
CPU VOLTAGE SELECTION (DUAL) | ||||||
|
Voltage |
Vcore |
Q2 |
JP3 |
S4 |
S5 |
S6 |
|
3.4v |
2.9v |
2 transistors installed |
Closed |
Open |
Open |
Open |