ASUS 970 PRO GAMING/AURA User Manual

2-26

Chapter 2: BIOS Information

CPU Lower Temperature [20]
Displays the lower limit of the CPU temperature.

CPU Fan Max. Duty Cycle(%) [100]
Use the <+> and <‑> keys to adjust the maximum CPU fan duty cycle. The values 

range from 20% to 100%. When the CPU temperature reaches the upper limit, the 

CPU fan will operate at the maximum duty cycle.

CPU Fan Min. Duty Cycle(%) [30]
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 40°C, the CPU fan will 

operate at the minimum duty cycle.

[Disabled] 

Disables the Chassis Q‑Fan control feature.

[Enabled] 

Enables the Chassis Q‑Fan control feature.

The following items appear only when you set Chassis Q‑Fan Control to [Enabled].

This item allows you to disable or set the chassis fan warning speed. 
Configuration options: [Ignore] [100 RPM] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 

RPM]

This item allows you to set the appropriate performance level of the chassis fan.
[Standard] 

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

on the chassis temperature.

[Silent] 

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

[Turbo] 

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

[Manual] 

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

The following items appear only when you set Chassis Fan Profile to [Manual].

Chassis Upper Temperature [70]
Use the <+> and <‑> keys to adjust the upper limit of the chassis temperature. The 

values range from 40°C to 90°C. 

Chassis Lower Temperature [40]
Displays the lower limit of the chassis temperature.

Chassis Fan Max. Duty Cycle(%) [60]
Use the <+> and <‑> keys to adjust the maximum chassis fan duty cycle. The values 

range from 60% to 100%. When the chassis temperature reaches the upper limit, the 

chassis fan will operate at the maximum duty cycle.