IIRC the extra pin on a 4 pin motherboard header may report if the fan has totally stopped, like a failure line, to tell the mobo to shut the CPU off. I've got an old 4 pin fan here from a '94 vintage ...
Didn't even realize that there was such a thing as a 4-pin PWM motherboard fan header until... yesterday. Anyways, I had planned on slapping a 120mm Scythe on the Ultra-120 that will be cooling my ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results