User’s Manual

3-15
Chapter 3: BIOS setup
CPU Lower Temperature [20]
Displays the lower limit of the CPU temperature.
CPU Fan Min. Duty Cycle(%) [20]
Use the <+> and <-> keys to adjust the minimum CPU fan duty cycle. The
values range from 20% to 100%. When the CPU temperature is under the
lower limit, the CPU fan will operate at the minimum duty cycle.
Chassis Fan(s) Configuration
Chassis Fan Q-Fan Control [PWM mode]
[PWM mode] Enables the chassis Q-Fan control in PWM mode for 4-pin chassis
fan.
[Disabled] Disables the chassis Q-Fan control feature.
The following items appear only when you set the Chassis Fan Q-Fan Control
to [PWM Mode].
Chassis Fan Q-Fan Source [CPU]
This item controls the assigned fan according to the selected temperature source.
Conguration options: [CPU] [MotherBoard]
Chassis Fan Speed Low Limit [600 RPM]
This item appears only when you enable the Chassis Q-Fan Control feature and
allows you to disable or set the chassis fan warning speed. Conguration options:
[Ignore] [200RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM]
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
depending on the chassis temperature.
[Silent] Sets to [Silent] to minimize the fan speed for quiet chassis fan
operation.
[Turbo] Sets to [Turbo] to achieve maximum chassis fan speed.
[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 Fan Upper Temperature [70]
Use the <+> and <-> keys to adjust the upper limit of the chassis
temperature. The values range from 25ºC to 75ºC.