Asus M4N72-E - Manual (Page 67)

Chapter 2: BIOS setup 2-23
CPU Q-Fan Function [Disabled]
Allows you to enable or disable the CPU Q-Fan feature that smartly adjusts the fan speeds
for more efficient system operation. Configuration options: [Disabled] [Enabled]
Select Fan Type: [PWM Fan]
This item appears only when you set the CPU Q-Fan Function item to [Enabled] and allows
you to select the CPU fan type you installed on the motherboard.
Configuration options: [PWM Fan] [DC Fan]
• If you install a PWM (4-pin) fan but set this item to [DC Fan], the fan you installed may
not work.
• If you install a DC (3-pin) fan but set this item to [PWM Fan], the CPU Q-Fan function
will not work, and the fan you install will always run at full speed.
Quiet CPU Fan Mode [Silent]
Allows you to set the appropriate performance level of the CPU Q-Fan. When set to
[Optimal], the CPU fan automatically adjusts depending on the CPU temperature. Set this
item to [Silent] to minimize fan speed for quiet CPU fan operation, or [Performance] to
achieve the maximum CPU fan speed. Configuration options: [Performance] [Optimal] [Silent]
Chassis Q-Fan Function [Disabled]
Allows you to enable or disable the chassis Q-Fan feature that smartly adjusts the fan speeds
for more efficient system operation. Configuration options: [Disabled] [Enabled]
Quiet CHASSIS Fan Mode [Silent]
Allows you to set the appropriate performance level of the Chassis Q-Fan. When set to
[Optimal], the Chassis fan automatically adjusts depending on the Chassis temperature. Set
this item to [Silent] to minimize fan speed for quiet Chassis fan operation, or [Performance]
to achieve the maximum Chassis fan speed. Configuration options: [Performance] [Optimal]
[Silent]