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Chapter 3: BIOS setup
Chapter 3
The following items appear only when you set the CPU Q-Fan Control item to [Auto],
[PWM mode] or [DC mode].
CPU Fan Speed Low Limit [200 RPM]
Allows you to set the low limit warning for CPU Fan speed. Conguration options: [Ignore]
[100 RPM] [200 RPM] [300 RPM] [400 RPM] [500 RPM]
CPU Fan Profile [Standard]
Allows you to set the appropriate performance level of the CPU fan.
[Standard] Set to make the CPU fan adjust automatically depending on the CPU
temperature.
[Silent] Set to minimize the fan speed for quiet CPU fan operation.
[Turbo] Set to achieve maximum CPU fan speed.
[Manual] Set to assign detailed fan speed control parameters.
The following four items appear only when you set CPU Fan Prole to [Manual].
CPU Upper Temperature [70]
Use the <+> or <-> keys to adjust the upper limit of the CPU temperature.
The values range from 25°C to 75°C.
CPU Fan Max. Duty Cycle(%) [100]
Use the <+> or <-> keys to adjust the maximum CPU fan duty cycle. The
values range from 20% to 100%. When the CPU temperature reaches the
upper limit, the CPU fan operates at the maximum duty cycle.
CPU Middle Temperature [25]
Use the <+> or <-> keys to set the value for CPU Middle Temperature. The
range of the values depends on the CPU installed.
CPU Fan Middle Duty Cycle(%) [20]
Use the <+> or <-> keys to adjust the CPU fan middle duty cycle. The
values range from 20% to 100%. When the CPU temperature reaches the
upper limit, the CPU fan operates at the maximum duty cycle.
CPU Lower Temperature [20]
Use the <+> or <-> keys to adjust the CPU fan’s lower temperature. The
values range from 20% to 75%.
CPU Fan Min. Duty Cycle(%) [20]
Use the <+> or <-> keys to adjust the minimum CPU fan duty cycle. The
values range from 20% to 100%. When the CPU temperature is under
40ºC, the CPU fan operates at the minimum duty cycle.
Chassis Fan 1/2 Q-Fan Control [DC Mode]
[PWM mode] Enables the chassis Q-Fan control in PWM mode for 4-pin chassis fan.
[DC mode] Enables the chassis Q-Fan control in DC mode for 3-pin chassis fan.
[Disabled] Disables the chassis Q-Fan control feature.
The following items appear only when you set the Chassis Fan 1/2 Q-Fan Control item to
[PWM mode] or [DC mode].