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Chapter 3 – Asus M4A89GTD PRO/USB3 User Manual

Page 92

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Chapter 3: BIOS setup

Chapter 3

CPU Q-Fan Mode [Standard]

[Turbo]

Sets to [Turbo] to achieve maximum CPU fan speed.

[Standard]

Sets to [Standard] to make the CPU fan automatically adjust depending on

the CPU temperature.

[Silent]

Sets to [Silent] to minimize the fan speed for quiet CPU fan operation.

[Manual]

Sets to [Manual] to assign detailed fan speed control parameters.

The following four items appear only when you set CPU Q-Fan Mode to [Manual].

CPU Upper Temperature [70ºC/158ºF]

Sets the upper limit of the CPU temperature.

Configuration options: [30�C/86�F] [40�C/104�F] [50�C/122�F] [60�C/140�F]

[30ºC/86ºF] [40ºC/104ºF] [50ºC/122ºF] [60ºC/140ºF]

[40ºC/104ºF] [50ºC/122ºF] [60ºC/140ºF]

[70ºC/158ºF] [80ºC/176ºF] [90ºC/194ºF]
CPU Fan Max. Duty Cycle [100%]

Sets the maximum CPU fan duty cycle. When the CPU temperature reaches the upper

limit, the CPU fan will operate at the maximum duty cycle.

Configuration options: [20%] [30%] [40%] [50%] [60%] [70%] [80%] [90%] [100%]
CPU Lower Temperature [20ºC/68ºF]

Displays the lower limit of the CPU temperature.
CPU Fan Min. Duty Cycle [20%]

Sets the minimum CPU fan duty cycle. When the CPU temperature is under 20ºC/68ºF,

the CPU fan will operate at the minimum duty cycle.

Configuration options: [00%] [10%] [20%] [30%] [40%] [50%] [60%] [70%] [80%] [90%]

[100%]

Chassis Q-Fan Mode [Disabled]

[Disabled]

Disables the Chassis Q-Fan control feature.

[Enabled]

Enables the Chassis Q-Fan control feature.

The following item appears only when you set Chassis Q-Fan Mode to [Enabled].

Chassis Fan Speed Low Limit [200 RPM]

A warning message will appear to remind you that the chassis fan speed is lower than the

selected value.

Configuration options: [500RPM] [400RPM] [300RPM] [200RPM] [100RPM] [Ignored]

Chassis Q-Fan Mode [Silent]

[Turbo]

Sets to [Turbo] to achieve maximum chassis fan speed.

[Standard]

Sets to [Standard] to make the chassis fan automatically adjust depending

on the chassis temperature.

[Silent]

Sets to [Silent] to minimize fan speed for quiet chassis fan operation.

[Manual]

Sets to [Manual] to assign detailed fan speed control parameters.

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