Nvidia 680i manual Fan Connections

Installing and Configuring the BFG NVIDIA nForce 680i LT SLI Motherboard

Fan Connections

There are two types of fan connections, the 3-pin system fan and the 4-pin CPU fan. The fan speed can be detected and viewed in the PC Health Status section of the CMOS Setup. Both types of fans are automatically turned off after the system enters S3, S4 and S5 mode.

Fan Connectors

3 2 1

GND +12V

SENSE

Note that the CPU fan cable can be either a 3-pin or a 4-pin connector. Connect a 3-pin connector to pins 1, 2, and 3 on the motherboard connector.

CPU Fan Connector

	4	3	2	1
GND		SENSE
	PWR		CONTROL

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