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Chapter 3: BIOS setup
CPU Fan Speed [xxxx RPM] or [Ignore] / [N/A]
CPU OPT Speed [xxxx RPM] or [Ignore] / [N/A]
Chassis Fan 1/2/3/4 Speed [xxxx RPM] or [Ignore] / [N/A]
The onboard hardware monitor automatically detects and displays the CPU, CPU OPT,
and chassis fan speed in rotations per minute (RPM). If the fan is not connected to the
motherboard, the eld shows N/A. Select Ignore if you do not wish to display the detected
speed.
CPU Q-Fan Control [Enabled]
[Disabled] Disables the CPU Q-Fan control feature.
[Enabled] Enables the CPU Q-Fan control feature.
CPU Fan Speed Low Limit [600 RPM]
This item appears only when you enable the CPU Q-Fan Control feature and allows you to
disable or set the CPU fan warning speed in case the fan stops working.
Conguration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM]
CPU Fan Profile [Standard]
This item appears only when you enable the CPU Q-Fan Control feature and allows
you to set the appropriate performance level of the CPU fan.
[Standard] The CPU fan will automatically adjust depending on the CPU temperature
[Silent] Minimizes the fan speed for quiet CPU fan operation
[Turbo] Achieves maximum CPU fan speed
[Manual] Users can assign detailed fan speed control parameters
The following four items appear only when you set CPU Fan Prole to [Manual].
CPU Upper Temperature [70] (in celsius)
Use the <+> and <-> keys to set the upper limit of the CPU temperature. The values
range from 20°C to 75°C. When the CPU temperature reaches the upper limit, CPU
fan will operate at maximum duty cycle in full speed.
CPU Fan Max. Duty Cycle (%) [100]
Use the <+> and <-> keys to adjust the maximum CPU fan duty cycle. The values
range from 0% to 100%. The minimum value cannot be lower than the setting of the
Min. Duty Cycle.
CPU Lower Temperature [20] (in celsius)
Displays the lower limit of the CPU temperature. Users can set the CPU Fan Min.
Duty Cycle when CPU temperature is lower than the CPU Lower Temperature
setting.
CPU Fan Min. Duty Cycle (%) [20]
Use the <+> and <-> keys to adjust the minimum CPU fan duty cycle. The values
range from 0% to 100%. When the CPU temperature is under 20°C, the CPU fan will
operate at the minimum duty cycle.
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