User Manual
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ROG STRIX X299-E GAMING BIOS Manual
CPU Fan Max. Duty Cycle(%)
Use the <+> and <-> keys to adjust the maximum CPU fan duty cycle.
When the CPU temperature reaches the upper limit, the CPU fan will
operate at the maximum duty cycle.
CPU Middle Temperature
Use the <+> and <-> keys to adjust the CPU middle temperature.
CPU Fan Middle Duty Cycle(%)
Use the <+> or <-> keys to adjust the CPU fan middle duty cycle.
CPU Lower Temperature
Use the <+> or <-> keys to adjust the lower limit of the CPU temperature.
The CPU fan will operate at the minimum duty cycle when the CPU
temperature is lower than the limit.
CPU Fan Min. Duty Cycle(%)
Use the <+> and <-> keys to adjust the minimum CPU fan duty cycle.
When the CPU temperature is lower than the lower limit, the CPU fan will
operate at the minimum duty cycle.
Chassis Fan(s) Configuration
Chassis Fan 1-2 Q-Fan Control
This item allows you to set the chassis fan operating mode.
[Auto] Detects the type of chassis fan installed and automatically switches
the control modes.
[PWM Mode] Enables the Chassis Fan Q-Fan Control feature in PWM mode for
4-pin chassis fan.
[DC Mode] Enables the Chassis Fan Q-Fan Control feature in DC mode for
3-pin chassis fan.
[Disabled] Disables the Q-Fan control.
Chassis Fan 1-2 Q-Fan Source
The assigned fan will be controlled according to the selected temperature source.
Conguration options: [CPU] [MotherBoard] [VRM] [PCH] [T_SENSOR] [EXT_Sensor1]
[EXT_Sensor2] [EXT_Sensor3] [Multiple Sources]
• For EXT_Sensor1-3, connect a Thermistor cable to one of these connectors, then
tape the other end on a critical component to control its temperature.
• For Multiple Sources, select up to three temperature sources and the fan will
automatically change based on the highest temperature.
Chassis Fan 1-2 Step Up
This item allows you to set the value of the chassis fan step up.
Conguration options: [0 sec] [12 sec] [25 sec] [51 sec] [76 sec] [102 sec] [127 sec]
[153 sec] [178 sec] [204 sec]