what does CPU / System / NB FAN connectors stand for?
what are their uses? which connector is which fan type? (casing fan?)

what does CPU / System / NB FAN connectors stand for?
what are their uses? which connector is which fan type? (casing fan?)

CPU=central processing unit ,the computer processor chip,the hart of the computer !
System=system fan is a case fan used to remove hot air or bring in cool air .
NB-Fan= is a motherboard chipset fan.usually used to keep the northbridge chipset cool .
so the overall use is to keep the computer running cool!!
the connectors on the motherboard should be marked,when fans are plugged into the motherboard they are then monitored in the BIOS of the computer .

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