Asus RAMPAGE IV BLACK EDITION - Manual (Page 126)

3-36 Chapter 3: BIOS setup
Chapter 3
Chassis Q-Fan Control 1-3 [Disabled]
[Disabled] Disables the Chassis Q-Fan control feature.
[Enabled] Enables the Chassis Q-Fan control feature.
Chassis Fan Speed Low Limit 1-3 [600 RPM]
This item appears only when you enable the Chassis Q-Fan Control feature and 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 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] 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 four 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 40ºC to 75ºC.
Chassis Fan Max. Duty Cycle(%) [100]
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.
Chassis Lower Temperature [40]
Displays the lower limit of the chassis temperature.
Chassis 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.
OPTFAN 1/ OPTFAN 2/ OPTFAN 3 Control [Disabled]
Allows you to disable or set the optional fans’ warning speeds.
Configuration options: [Disabled] [Duty Mode] [Profile Mode] [User Mode]
The following items appear only when you set OPTFAN 1/ OPTFAN 2 / OPTFAN 3 to
[Duty Model].
OPTFAN 1/ OPTFAN 2/ OPTFAN 3 Duty
Allows you to set the optional fans’ speed duty percentagea.
Configuration options: [50%] [60%] [70%] [80%] [90%]