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 ...

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 ...

Building a PC isn’t easy for everyone, but if you’re someone who’s planning on doing it soon or just a PC enthusiast who’s passionate about PCMR, then this is the perfect blog for you. In this column, ...

Trying to get AIO Fan speed back to MB (BIOS says no CPU fan reported, but it can be ignored). Temperatures are not an issue. The thing is, no included cable, and the connector on the Fan Controller ...

The point of this guide is to show the latest and greatest in fan control technology on Intel Z270 motherboards and to help you understand what each brand has to offer in their high-end products. I ...

I'm Sayan Ghosh and I'm a contributor from Canada. I'd describe myself as an amateur photographer who loves storytelling and trying different street food. When not working, I'm on my custom-built PC, ...