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Chapter 5
FAN Connectors: CPU fan/ Sys fan
The CPUFAN1(processor fan), SYSFAN1(system fan), PWRFAN1(power fan) and NBFAN1 (NorthBridge
Chipset fan) support system cooling fan with +12V.
The CPUFAN1 supports Smart FAN function. When connecting the wire to the connectors, always take note
that the red wire is the positive and should be connected to the +12V, the black wire is Ground and should be
connectoed to GND. If the mainboard has a System Hardware Monitor chipset on-board, you must use a
specially designed fan with speed sensor to take advantage of the CPU fan control.
CAUTION:
Please remember to connect the power to the CPU fan to prevent CPU overheating and failure.
CPUFAN1
SYSFAN1
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