3 Chapter

The following items appear only when you set the Chassis Fan 1/2 Q-Fan Control item to [PWM mode] or [DC mode].

Chassis Fan 1/2 Q-Fan Source [CPU]

The assigned fan will be controlled according to the selected temperature source. Configuration options: [CPU] [MB]

Chassis Fan 1/2 Speed Low Limit [600 RPM]

Allows you to disable or set the chassis fan warning speed. Configuration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM]

Chassis Fan 1/2 Profile [Standard]

Allows you to set the appropriate performance level of the chassis 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 the Chassis Fan 1/2 Profile item to [Manual].

Chassis Fan 1/2 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.

Chassis Fan 1/2 Max. Duty Cycle(%) [100]

Use the <+> or <-> keys to adjust the maximum chassis fan duty cycle. The values range from 20% to 100%. When the chassis temperature reaches the upper limit, the chassis fan will operate at the maximum duty cycle.

Chassis Fan 1/2 Middle Temperature [45]

Use the <+> or <-> keys to set the value for Chassis Fan Middle

Temperature.

Chassis Fan 1/2 Middle Duty Cycle(%) [60]

Use the <+> or <-> keys to adjust the chassis fan middle duty cycle. The values range from 20% to 100%.

Chassis Fan 1/2 Lower Temperature [40]

Use the <+> or <-> keys to adjust the chassis fans’ lower temperature. The values range from 20% to 75%.

Chassis Fan 1/2 Min. Duty Cycle(%) [60]

Use the <+> or <-> keys to adjust the minimum chassis fan duty cycle. The values range from 20% to 100%. When the chassis temperature is under 40°C, the chassis fan operates at the minimum duty cycle.

Anti Surge Support [Enabled]

This item allows you to enable or disable the Anti Surge function. Configuration options: [Disabled] [Enabled]

3-46

Chapter 3: BIOS setup