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**nonamedsomebody** · 02-24-2009, 04:45 PM

It sounds to me like it is a temperature controlled fan if it spins up fast for a minute or so and back down. if you look at the connector does it have a 3pin plug? I believe 3pin is temperature controlled and 4pin is temp and rpm sensors.

02-24-2009, 04:45 PM	#2 (permalink)
nonamedsomebody Obama I's my father Join Date: Oct 2008 Location: USA Posts: 403 OS: Windows 7 Professional My System	Re: Loud fan noise It sounds to me like it is a temperature controlled fan if it spins up fast for a minute or so and back down. if you look at the connector does it have a 3pin plug? I believe 3pin is temperature controlled and 4pin is temp and rpm sensors. __________________ Intel E8400 Evga 8800GT OC Edition 2GB G-skill DDR2