User Manual
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ROG STRIX Z270G GAMING BIOS Manual
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 assignment fan will be controlled according to the selected temperature source.
Conguration options: [CPU] [MotherBoard] [PCH] [T_Sensor1] [Multiple Sources]
• For T_SENSOR1, connect a Thermistor cable to the T_SENSOR header then place
the other end to the component to get the 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]
Chassis Fan 1-2 Step Down
This item allows you to set the value of the chassis fan step down.
Conguration options: [0 sec] [12 sec] [25 sec] [51 sec] [76 sec] [102 sec] [127 sec]
[153 sec] [178 sec] [204 sec]
Chassis Fan 1-2 Fan Speed Low Limit
This item allows you to disable or set the chassis fan warning speed.
Conguration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM]