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 found a neat little trick...<BR><BR>i have quite a little collection of socket 7 pentiums, and k6/k6-2 cpus, and admittidly some of the pins were bent on some of them. i used to painstakingly ...

AMD has issued a statement addressing the alarming reports of dead Ryzen 7000X3D processors in relation to burned motherboard sockets and bulging CPU pin pads. The statement confirms AMD is actively ...

AMD is all systems go with their next-gen socket AM5, that would replace their traditional motherboard and CPU pin layouts for at least their Ryzen 7000 lineup. And now, it seems like the socket has ...