User Manual

PRIME/Pro/ProArt/TUF GAMING B550 / A520 Series BIOS Manual
39
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
The number of the Chassis Fan varies by motherboard models.
Chassis Fan 1-3 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 1-3 Q-Fan Source
The assigned fan will be controlled according to the selected temperature source.
Conguration options: [CPU] [MotherBoard] [Multiple Sources]
For Multiple Sources, select up to three temperature sources and the fan will automatically
change based on the highest temperature.
Chassis Fan 1-3 Step Up/Down
This item allows you to set the value of the CPU fan 1-2 step up/down.
Conguration options: [0 sec] [12 sec] [25 sec] [51 sec] [76 sec] [102 sec] [127 sec]
[153 sec] [178 sec] [204 sec]
Chassis Fan 1-3 Fan Speed Low Limit
This item allows you to disable or set the chassis fan warning speed.
Conguration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM]