Asus Maximus VIII Hero, User Manual, Page: 118 / 194

3-42
Chapter 3: BIOS Setup
Chapter 3
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.
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.
Anti Surge Support [On]
Enable this item for Over Voltage Protection (OVP) and Under Voltage Protection (UVP)
functions.
Configuration options: [On] [Off]