Gigabyte GA-M52S-S3P User Manual page 47

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 BIOS autodetect 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.
System Smart FAN Control
Enables or disables the system fan speed control function. Enabled allows the system fan to run
at different speed according to the system temperature. You can adjust the fan speed with EasyTune
based on system requirements. If disabled, system fan runs at full speed. (Default: Enabled)
- 47 - BIOS Setup