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Chapter 3: BIOS setup
Chapter 3
CPU Q-Fan Control [Auto]
This item allows you to set the CPU Q-Fan operating mode.
[Auto] Detects the type of CPU fan installed and automatically switches the
control modes.
[PWM Mode]
Enables the CPU Q-Fan control feature in PWM mode for 4-pin CPU fan.
[DC Mode] Enables the CPU Q-Fan control feature in DC mode for 3-pin CPU fan.
[Disabled] Disables the Q-Fan control.
The following items appear only when you set the CPU Q-Fan Control to [Auto], [PWM
Mode], and [DC Mode].
CPU Fan Speed Low Limit [300 RPM]
This item allows you to set the low limit warning for CPU Fan speed.
Conguration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM]
CPU Fan Profile [Standard]
This item 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 the detailed fan speed control parameters.
The following items appear only when you set the 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 20°C to 75°C.
CPU Fan Max. Duty Cycle(%) [100]
Use the <+> or <-> keys to adjust the maximum CPU fan duty cycle. The
values may differ via Qfan tuning.
CPU Middle Temperature [45]
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(%) [60]
Use the <+> or <-> keys to adjust the CPU fan middle duty cycle. The
values may differ via Qfan tuning.
CPU Lower Temperature [40]
Use the <+> or <-> keys to adjust the CPU fan’s lower temperature. The
values range from 20% to 75%.
CPU Fan Min. Duty Cycle(%) [60]
Use the <+> or <-> keys to adjust the minimum CPU fan duty cycle. The
values may differ via Qfan tuning.