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 ...

Ok when did Intel start to use four pin conectors? It's been awhile and I am out of the loop,but I think it was a long time coming.<BR> <BLOCKQUOTE class="ip-ubbcode ...

This post is a quick sequel of my previous article jam-packed with my personal experiences and observations while I was fiddling with standard 4-wire PC cooling fans. Today I will be talking about the ...

Typically, CPU fan noises are heard when you reboot your PC (the whirring sound you may have heard upon startup) and it goes on to decline as the startup process completes. The purpose of fans on your ...

The board has been fitted with a Diagnostic POST LED. Once you pass all the boot codes in Windows it'll display the processor package temperature. In case you are wondering, the board has six fan ...