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 ...
I just bought an ASUS M4A785-M AMD 785G Socket AM3 motherboard to replace a bad board in a free HP I got. I transfered the CPU, heatsink and fan onto the new board and noticed that the fan connector ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results