User Manual
PRIME X399-A BIOS Manual
43
Allow Fan Stop
This item allows your fans to run at 0% duty cycle when the temperature
of the source drops below the lower temperature. Conguration options:
[Disabled] [Enabled]
Water_Pump+/AIO Pump Control
[Disabled] Disable the Water_Pump+/AIO Pump control feature.
[Auto] Detects the type of Water_Pump+/AIO Pump installed and
automatically switches the control modes.
[DC mode] Enable the Water_Pump+/AIO Pump control in DC mode for 3-pin
chassis fan.
[PWM mode] Enable the Water_Pump+/AIO Pump control in PWM mode for
4-pin chassis fan.
The following items appear only when you set the Water_Pump+/AIO Pump Control to
[Auto], [DC mode] or [PWM mode].
Water_Pump+/AIO Pump Upper Temperature
Use the <+> or <-> keys to adjust the upper limit of the Water_Pump+/AIO
Pump temperature.
Water_Pump+/AIO Pump Max. Duty Cycle (%)
Use the <+> or <-> keys to adjust the maximum Water_Pump+/AIO Pump
duty cycle. When the CPU temperature reaches the upper limit, the Water_
Pump+/AIO Pump will operate at the maximum duty cycle.
Water_Pump+/AIO Pump Middle Temperature
Use the <+> or <-> keys to adjust the middle limit of the Water_Pump+/AIO
Pump temperature.
Water_Pump+/AIO Pump Middle. Duty Cycle (%)
Use the <+> or <-> keys to adjust the maximum Water_Pump+/AIO Pump
duty cycle. When the CPU temperature reaches the upper limit, the Water_
Pump+/AIO Pump will operate at the maximum duty cycle.
Water_Pump+/AIO Pump Lower Temperature
Use the <+> or <-> keys to adjust the lower limit of the Water_Pump+/
AIO Pump temperature. The Water_Pump+/AIO Pump will operate at the
minimum duty cycle when the temperature is lower than the limit.
Water_Pump+/AIO Pump Min. Duty Cycle(%)
Use the <+> or <-> keys to adjust the minimum Water_Pump+/AIO Pump
duty cycle. When the CPU temperature is under the limit, the Water_
Pump+/AIO Pump will operate at the minimum duty cycle.
COV Fan Q-Fan Control
[Disabled] Disable the COV Fan Q-Fan control feature.
[DC mode] Enable the COV Fan Q-Fan control in DC mode for 3-pin COV fan.
COV Fan Smoothing Up/Down Time
This item allows you to set the COV Fan Smoothing Up/Down Time. Conguration
options: [0 sec] [2.6 sec] [3.8 sec] [5.1 sec] [6.4 sec] [7.7 sec] [15.9 sec] [31.9 sec]
[63.8 sec] [255 sec]