IEI Integration NOVA-PV-D4251_D5251 v1.01 - Manual (Page 123)

NOVA-PV-D5251/D4251 5.25" SBC
Page 109
Î
Auto Mode D EFAULT The fan adjusts its speed using these settings by
RPM:
Temperature Bound 1
Temperature Bound 2
Temperature Bound 3
Temperature Bound 4
Î
Manual Mode The fan spins at the speed set in:
Manual Duty Cycle Setting
(Min=0, Max=100)
NOTE:
Smart fan functions are supported only when using a 4-pin fan. When
using a 3-pin fan, the functions are not supported.
Î First Boundary Temperature [60]
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.
ƒ Minimum Value: 0°C
ƒ Maximum Value: 127°C
Î Second Boundary Temperature [50]
WARNING:
CPU failure can result if this value is set too high