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I looked at my mobo manual and the pins are listed as:
- GND
- CPU FAN PWR
- CPU FAN IN
- CPU FAN PWM (this is the extra one)
If the extra pin *is* the RPM sensor, I'm guessing I should definitely try to find a fan that utilizes it otherwise the fan would probably run at full speed constantly. Not that its really a bad thing. What do you guys think?
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