Figure 2: Jumper Locations of the AI5VG+
4.1 SW1(1-8): CPU Frequency Selector
For Intel Pentium, IDT WinChip 2-3D / C6
SW1 |
CPU Clock |
AGP Clock |
Multiplier |
CPU FREQ. |
off on on xx off off off on |
66MHz |
66MHz |
1.5x |
P54C-100 |
off on on xx on off off on |
66MHz |
66MHz |
2x |
P54C-133 |
off on on xx on on off on |
66MHz |
66MHz |
2.5x |
P54C/P55C-166 |
off on on off off on off on |
66MHz |
66MHz |
3x |
P54C/P55C-200 WinChip 2-3D / C6-200 |
off on on off off off off on |
66MHz |
66MHz |
3.5x |
P55C-233 |
off off on off off on off on |
75MHz |
75MHz |
3x |
WinChip 2-3D / C6-225 |
off on on off on off on on |
66MHz |
66MHz |
4x |
WinChip 2-3D 266 |
off off off xx off on on off |
100MHz |
66MHz |
2.33x |
WinChip 2 266 |
off off off xx on on off off |
100MHz |
66MHz |
2.5x |
WinChip 2 300 |
For Cyrix 6x86, 6x86L, 6x86MX CPU
SW1 |
CPU Clock |
AGP Clock |
Multiplier |
CPU FREQ. |
off on on xx on off off on |
66MHz |
66MHz |
2x |
P166+ (133MHz) |
off off on xx on off off on |
75MHz |
64MHz |
2x |
P200+ (150MHz) |
off on on xx on on off on |
66MHz |
66MHz |
2.5x |
PR200 (166MHz) |
off on on xx off on off on |
66MHz |
66MHz |
3x |
PR233 (200MHz) |
off on on xx off off off on |
66MHz |
66MHz |
3.5x |
PR266 (233MHz) |
off off on xx on on off on |
75MHz |
64MHz |
2.5x |
PR233 (187.5MHz) |
off on off xx on on off off |
83MHz |
66MHz |
2.5x |
PR266 (208MHz) |
off on off xx off on off off |
83MHz |
66MHz |
3x |
PR300 (250MHz) |
off off off xx on on off off |
100MHz |
66MHz |
2.5x |
PR333 (250MHz) |
off off off xx off on off off |
100MHz |
66MHz |
3x |
PR366 (300MHz) |
off off off xx on on off off |
100MHz |
66MHz |
2.5x |
MII-366 (250MHz) |
off off off xx off on off off |
100MHz |
66MHz |
3x |
MII-380 (300MHz) |
on off off xx off off off off |
95MHz |
63MHz |
3.5x |
MII-400 (333MHz) |
off off off xx off off off off |
100MHz |
66MHz |
3.5x |
MII-433 (350MHz) |
on off off xx on off on off |
95MHz |
63MHz |
4x |
MII-450 (380MHz) |
off off off xx on off on off |
100MHz |
66MHz |
4x |
MII-466 (400MHz) |
For AMD K5, K6, K6-2 CPU
SW1 |
CPU Clock |
AGP Clock |
Multiplier |
CPU FREQ. |
off on on xx off off off on |
66MHz |
66MHz |
1.5x |
PR100 |
off on on xx on off off on |
66MHz |
66MHz |
2x |
PR133 |
off on on xx on on off on |
66MHz |
66MHz |
2.5x |
PR166 / K6-166 |
off on on xx off on off on |
66MHz |
66MHz |
3x |
K6-200 |
off on on xx off off off on |
66MHz |
66MHz |
3.5x |
K6-233 |
off on on xx on off on on |
66MHz |
66MHz |
4x |
K6-266 |
off on on xx on on on on |
66MHz |
66MHz |
4.5x |
K6-300 |
off off off xx off on off off |
100MHz |
66MHz |
3x |
K6-2/300 |
on off off xx off off off off |
95MHz* |
63MHz |
3.5x |
K6-2/333 |
off off off xx off off off off |
100MHz |
66MHz |
3.5x |
K6-2/350 |
off on on xx off off on on |
66MHz |
66MHz |
5.5x |
K6-2/366 |
on off off xx on off on off |
95MHz* |
63MHz |
4x |
K6-2/380 |
off on on xx on off off on |
66MHz |
66MHz |
6x |
K6-2/400 |
off off off xx on off on off |
100MHz |
66MHz |
4x |
K6-2/400 K6-3/400 |
off off off xx on on on off |
100MHz |
66MHz |
4.5x |
K6-2/450* K6-3/450* |
on off off xx off on on off |
95MHz |
63MHz |
5x |
K6-2/475* K6-3/475* |
off off off xx off on on off |
100MHz |
66MHz |
5x |
K6-2/500* K6-3/500* |
* 95MHz FSB is supported by motherboard version 2.00B or later.
*
AMD K6-2 450 and K6-3 CPUs have 2.4V Vcore voltage requirement.
4.2 JP1, SW1(4): DRAM Operating Frequency
JP1 |
SW1(4) |
SDRAM Frequency |
||
open |
on |
Run CPU Clock |
||
closed |
off |
Run AGP Clock |
NOTE: Set the SDRAM Frequency to Run CPU Clock only when the CPU clock is 100MHz and the DIMM module onboard meets PC-100 specifications.
4.3 JP6: System Frequency Divider
JP6 |
System Frequency Divider |
||
closed |
CPU Clock running 95/100MHz |
||
open |
Others (60/66/75/83MHz) |
4.4 SW2(1-4): CPU Voltage Selector
For Single Voltage CPU:
Intel P54C, Cyrix 6x86, AMD K5, IDT WinChip C6
SW2 |
VIO |
VCORE |
on on on on |
3.5V |
3.5V |
For Dual Voltage CPU:
Intel P55C, Cyrix 6x86L/MX/MII, AMD K6/K6-2, IDT WinChip 2-3D
[
SW2 |
VIO |
VCORE |
CPU |
on on on on |
3.3V |
3.5V |
WinChip 2-3D (0.35m ) |
off on on on |
3.3V |
3.4V |
|
on off on on |
3.3V |
3.3V |
Remarks: 0.35m and 0.25m refers to CPU manufacturing process.
For Dual Voltage CPU:
Intel P55C, Cyrix 6x86L/MX/MII, AMD K6/K6-2, IDT WinChip 2-3D
SW2 |
VIO |
VCORE |
CPU |
off off on on |
3.3V |
3.2V |
K6-233 (0.35m ) |
on on off on |
3.3V |
3.1V |
|
off on off on |
3.3V |
3.0V |
|
on off off on |
3.3V |
2.9V |
K6-166/200 6x86MX |
off off off on |
3.3V |
2.8V |
WinChip 2-3D (0.25m ) P55C 6x86L |
on on on off |
3.3V |
2.7V |
|
off on on off |
3.3V |
2.6V |
|
on off on off |
3.3V |
2.5V |
|
off off on off |
3.3V |
2.4V |
|
on on off off |
3.3V |
2.3V |
Intel P55C, Cyrix 6x86L/MX, AMD K6/K6-2
SW2 |
VIO |
VCORE |
CPU |
off on off off |
3.3V |
2.2V |
K6/K6-2 (0.25m ) |
on off off off |
3.3V |
2.1V |
|
off off off off |
3.3V |
2.0V |
Use JP2, a 3-pin header, to clear the contents of the CMOS RAM. Note that if you are using an ATX power supply, the ATX-power connector should be disconnected from the motherboard to be able to clear CMOS. Do not clear the CMOS RAM unless it is absolutely necessary. You will lose your password, etc.
JP2 |
|
1 2 3 |
Normal |
1 2 3 |
Clear CMOS |