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BIOS Setup
CPU Smart FAN Mode
Specifies how to control CPU fan speed. This item is configurable only if
CPU Smart FAN Control
is set
to
Enabled
.
Auto
Lets the BIOS automatically detect the type of CPU fan installed and sets the optimal
CPU fan control mode. (Default)
Voltage Sets Voltage mode for a 3-pin CPU fan.
PWM
Sets PWM mode for a 4-pin CPU fan.
Note: The
Voltage
mode can be set for a 3-pin CPU fan or a 4-pin CPU fan. However, for a 4-pin CPU
fan that is not designed following Intel PWM fan specifications, selecting
PWM
mode may not effectively
reduce the fan speed.