Asus Maximus VIII Hero User Manual page 118

Water Pump Control [Disabled]
[Disabled]
[DC mode]
[PWM mode]
Anti Surge Support [On]
Enable this item for Over Voltage Protection (OVP) and Under Voltage Protection (UVP)
functions.
Configuration options: [On] [Off]
3-42
Extension Fan 1-4 Middle. Duty Cycle (%) [60]
Use the <+> or <-> keys to adjust the middle Extension Fan 1-4 duty cycle.
The values range from 20% to 100%. When the CPU temperature reaches
the middle limit, the Extension Fan 1-4 will operate at the middle 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.
Disable the Water Pump control feature.
Enable the Water Pump control in DC mode for 3-pin chassis fan.
Enable the Water Pump control in PWM mode for 4-pin chassis fan.
Chapter 3: BIOS Setup