IEI Technology AFL-W15A-GM45 User Manual page 49

Automatic mode
PWM Manual mode
Temp. Limit of OFF [000]
WARNING:
CPU failure can result if this value is set too high
The fan will turn off if the temperature falls below this value.
Minimum Value: 0°C
Maximum Value: 127°C
Temp. Limit of Start [020]
WARNING:
CPU failure can result if this value is set too high
When the fan is off, it will only start when the temperature exceeds this setting.
Minimum Value: 0°C
Maximum Value: 127°C
Start PWM [070]
This is the initial speed of the fan when it first starts spinning.
PWM Minimum Mode: 0
Page 38
AFL-W15A/17D-GM45 Panel PC
The fan adjusts its speed using these settings:
Temp. Limit of OFF
Temp. Limit of Start
Fan Start PWM
Slope PWM 1
The fan spins at the speed set in:
Fan PWM control