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ASUS Z170-A User Manual

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Chapter 2: BIOS Setup
Extension Fan 1-3 Profile [Standard]
This item allows you to set the appropriate performance level of the CPU fan.
[Standard] 
Set to make the CPU fan adjust automatically depending on the CPU 
temperature.
[Silent] 
Set to minimize the fan speed for quiet CPU fan operation.
[Turbo] 
Set to achieve maximum CPU fan speed.
[Manual] 
Set to assign the detailed fan speed control parameters.
The following items appear only when you set the Extension Fan Profile to 
[Manual].
Extension Fan 1-4 Upper Temperature [70]
Use the <+> or <-> keys to adjust the upper limit of the Extension Fan 1-4 
temperature. The values range from 20 to 75. 
Extension Fan 1-4 Max. Duty Cycle (%) [100]
Use the <+> or <-> keys to adjust the maximum Extension Fan 1-4 duty 
cycle. The values range from 20% to 100%. When the CPU temperature 
reaches the upper limit, the Extension Fan 1-4 will operate at the maximum 
duty cycle.
Extension Fan 1-4 Middle Temperature [45]
Use the <+> or <-> keys to adjust the middle limit of the Extension Fan 1-4 
temperature. The values range from 20 to 75.
Extension Fan 1-4 Middle. Duty Cycle (%) [60]
Use the <+> or <-> keys to adjust the maximum Extension Fan 1-4 duty 
cycle. The values range from 20% to 100%. When the CPU temperature 
reaches the upper limit, the Extension Fan 1-4 will operate at the maximum 
duty cycle.
Extension Fan 1-4 Lower Temperature [40]
Use the <+> or <-> keys to adjust the lower limit of the Extension Fan 1-4 
temperature. The values range from 20 to 75. The Extension Fan 1-4 will 
operate at the minimum duty cycle when the temperature is lower than the 
limit.
Extension Fan 1-4 Min. Duty Cycle(%) [60]
Use the <+> or <-> keys to adjust the minimum Extension Fan 1-4 duty 
cycle. The values range from 0% to 100%. When the CPU temperature 
is under the limit, the Extension Fan 1-4 will operate at the minimum duty 
cycle.
Water Pump Control [Disabled]
[Disabled] 
Disable the Water Pump control feature.
[DC mode] 
Enable the Water Pump control in DC mode for 3-pin chassis fan.
[PWM mode] 
Enable the Water Pump control in PWM mode for 4-pin chassis fan.
The following items appear only when you set the Water Pump Control to 
[DC mode] or 
[PWM mode].
Water Pump Upper Temperature [25]
Use the <+> or <-> keys to adjust the upper limit of the Water Pump 
temperature. The values range from 20 to 75.