ASROCK EP2C612 WS User Manual page 81

FRNT_FAN 4
his allows you to set the front fan 4's speed. he default value is [Smart Fan].
Smart Fan Control
his allows you to set the Smart fan's level speed.
Smart Fan Duty Control
Smart Fan Duty x (x means 1 to 11 stage)
his allows you to set duty cycle for each stage.
Smart Fan Temp Control
Smart Fan Temp x (x means 1 to 11 stage)
his allows you to set temperature for each stage.
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