Hardware Setup
(2). FAN Connectors
These 3-pin connectors each provide power to the cooling fans installed in your system.
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CPUFAN1: CPU Fan
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NBFAN1: Chipset Fan
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SYSFAN1: System Fan
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FAN4, FAN5: Auxiliary Fan
WARNING: These fan connectors are not jumpers. DO NOT place jumper caps on these connectors.
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User's Manual