Gigabyte GA-965GM-DS2, GA-965GM-S2 Smart FAN Control Method Note, Smart FAN Control Mode, English

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Smart FAN Control Method (Note)

Auto	BIOS sets the optimal CPU fan speed automatically. (Default value)
Intel(R) QST	Control the fan speed with Intel® QST (Intel® Quiet System Technology).
Legacy	CPU fan runs at different speed depending on CPU temperature.
Disable	CPU fan runs at full speed.

Smart FAN Control Mode

Auto	BIOS autodetects the type of CPU fan you installed and sets the optimal fan
	speed control mode for it. (Default value)
Voltage	Set to Voltage when you use a CPU fan with a 3-pin fan power cable.
PWM	Set to PWM when you use a CPU fan with a 4-pin fan power cable.

Note: In fact, the Voltage option can be used for CPU fans with 3-pin or 4-pin power cables. However, some 4-pin CPU fan power cables are not designed following Intel 4-Wire fans PWM control specifications. With such CPU fans, selecting PWM will not effectively reduce the fan speed.

(Note) Before setting this item to Intel(R) QST, make sure at least DDRII1 or DDRII2 socket in Channel 0 is populated. A small portion of system memory will be shared when Intel® QST is enabled.

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