3-42 Chapter 3: BIOS setup
Chapter 3
Chassis 1/2/3/4 Fan Speed Low Limit [600 RPM]
This item appears only when you enable the Chassis 1/2/3/4 Q-Fan Control feature and
allows you to disable or set the chassis fan warning speed in case the fan stops working.
Conguration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM]

Chassis 1/2/3/4 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] The chassis fan will automatically adjust depending on the chassis
temperature.
[Silent] Minimizes the fan speed for quiet chassis fan operation
[Turbo] Achieves maximum chassis fan speed
[Manual] Users can assign detailed fan speed control parameters.
The following four items appear only when you set Chassis 1/2/3/4 Fan Prole to
[Manual].
Chassis 1/2/3/4 Upper Temperature [70] (in celsius)
Use the <+> and <-> keys to set the upper limit of the CPU temperature. The values range from
40°C to 90°C. When the CPU temperature reaches the upper limit, CPU fan will operate at
maximum duty cycle in full speed.
Chassis 1/2/3/4 Fan Max. Duty Cycle (%) [100]
Use the <+> and <-> keys to adjust the maximum chassis fan duty cycle. The values range from
60% to 100%. The minimum value cannot be lower than the setting of the Min Duty Cycle.
Chassis 1/2/3/4 Lower Temperature [40] (in celsius)
Displays the lower limit of the chassis temperature. Users can set the CPU Fan Min. Duty Cycle
when CPU temperature is lower than the CPU Lower Temperature setting.
Chassis 1/2/3/4 Fan Min. Duty Cycle (%) [60]
Use the <+> and <-> keys to adjust the minimum chassis fan duty cycle. The values range from
60% to 100%. When the chassis temperature is under 40�C, the chassis fan will operate at the
minimum duty cycle.
CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage
The onboard hardware monitor automatically detects the voltage output through the onboard
voltage regulators. Select Ignore if you do not want to detect this item.
Anti Surge Support [Enabled]
This item allows you to enable or disable the Anti Surge function.
Conguration options: [Disabled] [Enabled]