Ricci Posted September 27, 2010 Share Posted September 27, 2010 I am installing an AirFlow cooling fan module on a Rampage 3 Extreme mobo. The plug for the AirFlow has 3 conductors and the header on the mobo has 4 conductors. The 4 conductors on the mobo are: Gnd Fan PWR Fan IN Fan PWM Two Questions: 1. Can I safely plug the fan into the header? 2. Am I correct in assuming that the missing 4th lead on the fan plug, that is Fan PWM, is to control fan rpm? Thanks in advance for your reply, Ricci Link to comment Share on other sites More sharing options...
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