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Chapter 3: BIOS setup
Chapter 3
Fan Speed Monitor
CPU FAN Speed; CPU OPT Speed; Chassis FAN1/2/3 Speed [xxxxRPM] or [Ignored] /
[N/A]; Opt1/2/3 Fan Speed [xxxxRPM] or [Ignored] / [N/A]
The onboard hardware monitor automatically detects and displays the CPU fan,
chassis fan, and optional fan speed in rotations per minute (RPM). If any of the fans
is not connected to the motherboard, the eld shows [N/A]. These items are not
user-congurable. Press <Enter> and select [Ignore] if you do not wish to display the
detected temperatures.
Fan Speed Control
CPU Q-Fan Control [Disabled]
Allows you to enable or disable the CPU fan controller.
[Disabled] Disables the CPU Q-fan controller.
[Enabled] Enables the CPU Q-fan controller.
The following three items appear when you enable the CPU Fan Control feature.
CPU Fan Speed Low Limit [600 RPM]
Allows you to set the low speed limit of the CPU fan and the system sends warning
message when the fan speed drops below the set value.
Conguration options: [Ignored] [100 RPM] [200 RPM] [300 RPM] [400 RPM]
[500 RPM] [600 RPM]
Select Fan Type [PWM Fan]
Conguration options: [PWM Fan] [DC Fan]
CPU Fan Profile [Standard]
Allows you to set the appropriate performance level of the CPU fan.
[Standard] Sets to [Standard] to make the chassis fan automatically adjust
depending on the CPU temperature.
[Silent] Sets to [Silent] to minimize the fan speed for quiet CPU fan operation.
[Turbo] Set to [Turbo] to achieve maximum CPU fan speed.
[Manual] Sets to [Manual] to display more items for you to manually adjust the
CPU upper/lower temperature, and CPU fan upper/lower duty cycle.
The following four items appear only when you set CPU Fan Prole to [Manual].