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 ...

Building your own computer can be fun, and it's easier now than ever. Still, there can be some spine-tingling moments when assembling a system, and attaching a CPU fan can be one of them. The last ...

CPU_FAN and CPU_OPT are entirely different and serve distinct purposes in the context of a computer cooling system. CPU_FAN or CPU Fan Header is the primary 4-pin fan header on a motherboard, and it ...

I'm stuck. Just putting together a new system and all I have are 3 wire fans for the heatsink. The CPU fan connection on the motherboard is a 4 pin thingy.<br>I can plug in the 3 pin connector but the ...

Another common mistake is omitting the rear fan. This fan is one of the most important in the system because it sits in the ...

In this guide, we'll show you how to fix bent CPU pins, as well as how to fix bent motherboard socket pins if you have an LGA motherboard. Bent socket pins are one of the main reasons for motherboard ...

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 ...