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SB_Fan1 header

Last response: in Motherboards
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June 12, 2012 6:13:18 PM

I'm going nuts. What is the SB_Fan1 header for? I finally found out that PWR_Fan1 header means fan will always run at 100% (be nice if the mobo manual mentioned that), but i can't for the life of me figure out what SB designates! Al it mentions in the manual is "SB_Fan1 supports Quiet FAN". Near as i can tell that is a CPU fan feature, which I assumed would be controlled by the CPU_Fan1 header. What am I missing!?

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June 12, 2012 7:20:46 PM

What is your mobo model?
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June 12, 2012 8:57:25 PM

Extreme 6/gb

Jeez, I can't believe I left it off.
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June 13, 2012 3:42:19 AM

i THINK it is for a south bridge fan, regardless I'm sticking a side case fan on it as it's one of only 2 headers capable of automatic settings.
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Best solution

a b à CPUs
a b V Motherboard
June 13, 2012 5:27:49 AM

SB_Fan1 header is for south bridge fan which is already installed on mobo. You dont need to install any fan on sb_fan1 header.
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