Asus SABERTOOTH X79 User Manual page 90

The following four items appear only when you set Chassis 1/2/3/4 Fan Profile to
[Manual].
Chassis 1/2/3/4 Upper Temperature [70]
Use the <+> and <-> keys to adjust the upper limit of the chassis temperature. The values range
from 40ºC to 90ºC.
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 can not lower than the setting of Min duty cycle. When the
chassis temperature reaches 95 degree, fan will run up to full speed.
Chassis 1/2/3/4 Lower Temperature [40]
Displays the lower limit of the chassis temperature.
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 40ºC, the chassis fan will operate at the
minimum duty cycle.
Assistant/PCH Q-Fan Control [Enabled]
[Disabled]
[Enabled]
Assistant/PCH Fan Speed Low Limit [600 RPM]
This item appears only when you enable the Assistant/PCH Q-Fan Control feature and
allows you to disable or set the Assistant/PCH fan warning speed.
Configuration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM]
Assistant/PCH Fan Profile [Standard]
This item appears only when you enable the Assistant/PCH Q-Fan Control feature
and allows you to set the appropriate performance level of the assistant/PCH fan.
[Standard] Sets to [Standard] to make the assistant/PCH fan automatically adjust
[Silent]
[Turbo]
[Manual]
The following four items appear only when you set Assistant/PCH Fan Profile to [Manual].
Assistant/PCH Upper Temperature [70]
Use the <+> and <-> keys to adjust the upper limit of the assistant/PCH temperature. The values
range from 40ºC to 90ºC.
Assistant/PCH Fan Max. Duty Cycle(%) [100]
Use the <+> and <-> keys to adjust the maximum assistant/PCH fan duty cycle. The values
range from 60% to 100%. The minimum value can not lower than the setting of Min duty cycle.
When the assistant/PCH temperature reaches 95 degree, fan will run up to full speed.
3-28
Disables the Assistant / PCH Q-Fan control feature.
Enables the Aassistant / PCH Q-Fan control feature.
depending on the assistant/PCH temperature.
Sets to [Silent] to minimize the fan speed for quiet assistant/PCH fan
operation.
Sets to [Turbo] to achieve maximum assistant/PCH fan speed.
Sets to [Manual] to assign detailed fan speed control parameters.
Chapter 3: BIOS setup