Asus STRIX Z270F GAMING Bios Manual page 54

Chassis Fan 1-2 Step Down
This item allows you to set the value of the chassis fan step down.
[153 sec] [178 sec] [204 sec]
Chassis Fan 1-2 Fan Speed Low Limit
This item allows you to disable or set the chassis fan warning speed.
Chassis Fan 1-2 Profile
This item allows you to set the appropriate performance level of the chassis fan.
[Standard]
[Turbo]
[Manual]
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Sets to [Standard] to make the chassis fan automatically adjust
depending on the chassis temperature.
operation.
Sets to [Turbo] to achieve maximum chassis fan speed.
Sets to [Manual] to assign detailed fan speed control parameters.
Chassis Fan 1-2 Upper Temperature
temperature. The Chassis Fan 1-2 will operate at the maximum duty cycle
when the temperature source is higher than the limit.
Chassis Fan 1-2 Max. Duty Cycle (%)
cycle. When the temperature source reaches the upper limit, the Chassis
Fan 1-2 will operate at the maximum duty cycle.
Chassis Fan 1-2 Middle Temperature
temperature.
Chassis Fan 1-2 Middle. Duty Cycle (%)
Chassis Fan 1-2 Lower Temperature
temperature. The Chassis Fan 1-2 will operate at the minimum duty cycle
when the temperature source is lower than the limit.
Chassis Fan 1-2 Min. Duty Cycle(%)
When the temperature source is under the limit, the Chassis Fan 1-2 will
operate at the minimum duty cycle.
ASUS STRIX Z270F GAMING BIOS Manual
[Manual].