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

 

 

 

For Dual Voltage CPU:

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

 

 

4.5 JP2: Clear CMOS Selection

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

Function

1 2 3

Normal

1 2 3

Clear CMOS