Asus Crosshair III Formula User Manual

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Chapter 3: BIOS setup

Chassis Q-Fan Mode [Silent]

Allows you to set the appropriate performance level of the ASUS Q-Fan.
[Silent]

Set to [Silent Mode] to minimize the fan speed

[Silent Mode] to minimize the fan speed

for quiet CPU fan operation

[Optimal]

Set to [Optimal] to achieve faster CPU fan

[Optimal] to achieve faster CPU fan

speed..

[Performance]

Set to [Performance] to achieve maximum CPU

[Performance] to achieve maximum CPU

fan speed..

PWRFan Control [Disabled]

Allows you to select the power fan control mode. When this item is set to

[Duty Mode], you can configure the PWRFan Duty item.

PWRFan Duty [50%]

Allows you to set the fan duty cycle. This item appears when the PWRFan Control

item is set to [Duty Mode].

Configuration options: [40%] [50%] [60%] [70%] [80%] [90%]

OPTFan1/2/3 Control [Disabled]

Allows you to select the optional fan control mode. When this item is set to

[Duty Mode], you can configure the OPTFan1/2/3 Duty item. If you set this

item to [User Mode], you are allowed to configure the OPTFan1/2/3 Low

Speed Temp and OPTFan1/2/3 Full Speed Temp item.

Configuration options: [Disabled] [Duty Mode] [User Mode]

You need to connect the thermal sensor cables to the OPT_TEMP1/2/3

connectors to enable this function.

OPTFan1/2/3 Duty [50%]

Allows you to set the fan duty cycle. This item appears when the OPTFan1/2

Control item is set to [Duty Mode].

Configuration options: [40%] [50%] [60%] [70%] [80%] [90%]
OPTFan�/2/� Low Speed Temp [25˚C]

Allows you to set the temperature at which the power fan rotates at low speed.

This item appears when the OPTFan1/2 Control item is set to [User Mode].

Configuration options: [25˚C] [30˚C] [35˚C] [40˚C]
OPTFan�/2/� Full Speed Temp [��˚C]

Allows you to set the temperature at which the power fan rotates at full speed.

This item appears when the OPTFan1/2 Control item is set to [User Mode].

Configuration options: [60˚C] [70˚C] [80˚C] [90˚C]