Asus MAXIMUS IV EXTREME-Z User Manual page 126

Chassis Fan Profile [Standard]
This item appears only when you enable the Chassis Q-Fan Control feature
and allows you to set the appropriate performance level of the chassis fan.
[Standard] Sets to [Standard] to make the chassis fan automatically adjust
[Silent]
[Turbo]
[Manual] Sets to [Manual] to assign detailed fan speed control parameters.
The following four items appear only when you set Chassis Fan Profile to
[Manual].
Chassis Upper Temperature [70]
Use the <+> and <-> keys to adjust the upper limit of the CPU temperature. The
values range from 40ºC to 90ºC.
Chassis Fan Max. Duty Cycle(%) [100]
Use the <+> and <-> keys to adjust the maximum chassis fan duty cycle. The values
range from 60% to 100%. When the chassis temperature reaches the upper limit,
the chassis fan will operate at the maximum duty cycle.
Chassis Lower Temperature [40]
Displays the lower limit of the chassis temperature.
Chassis Fan Min. Duty Cycle(%) [60]
Use the <+> and <-> keys to adjust the minimum chassis fan duty cycle. The values
range from 0% to 100%. When the chassis temperature is under 40ºC, the chassis
fan will operate at the minimum duty cycle.
PWRFAN Control [Disabled]
Allows you to select the optional fan control mode. When this item is set to [Duty
Mode], you can configure the PWRFAN Duty.
Configuration options: [Disabled] [Duty Mode]
OPTFAN 1/2/3 Control [Disabled]
Allows you to select the optional fan control mode. When this item is set to [Duty
Mode], you can configure the OPT Fan1/2/3 Duty item. If you set this item to [User
Mode], you are allowed to configure the OPT Fan1/2/3 Low Speed Temp and OPT
Fan1/2/3 Full Speed Temp item.
Configuration options: [Disabled] [Duty Mode] [User Mode]
3-34
depending on the chassis temperature.
Sets to [Silent] to minimize the fan speed for quiet chassis fan
operation.
Sets to [Turbo] to achieve maximum chassis fan speed.
Chapter 3: BIOS setup