Asus Z77-A - Manual (Page 79)

2-33 ASUS Z77-A
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 CPU temperature. The
values range from 40ºC to 90ºC.
Chassis Fan Max. Duty Cycle(%) [100]
Use the <+> and <-> 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 Lower Temperature [40]
Displays the lower limit of the chassis temperature.
CPU Fan Min. Duty Cycle(%) [60]
Use the <+> and <-> keys to adjust the minimum chassis fan duty cycle. The values
range from 0% to 100%. When the chassis temperature is under 40ºC, the chassis
fan will operate at the minimum duty cycle.
2.6.8 Anti Surge Support [Enabled]
This item allows you to enable or disable the Anti Surge function.
Configuration options: [Disabled] [Enabled]