Biostar TP35D2-A7 SE Setup Manual page 30

Motherboard Manual
PWM Duty Start <℃>
The CPU/System fan starts to work when CPU/System temperature
arrives to this set value. The range is from 0℃~127℃, with an interval of
1℃.
Start PWM Value
When CPU/System temperature arrives to the set value, the CPU/System
fan will work under Smart Fan Function mode. The range is from 0~127,
with an interval of 1.
Smart Fan Slope
Increasing the value of slope PWM will raise the speed of CPU/System fan.
The range is from 1~127, with an interval of 1.
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