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 ...

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 ...

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 ...

Fan controllers have hardly been the stuff of copious Internet chatter, apart from the Digidoc 5 back in... hmm... 2001? Do you remember back that far? Back then the ...

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, ...

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 ...

Fan speed is controlled by temperature. The fan RPM range is dependent on the type of model. Fan control on the Asrock B550 Steel Legend can be accessed in the BIOS, or through A-Tuning in Windows.

The CPU is the brain of any computer system, handling millions of calculations every second. All that computer power generates heat, though – enough to disable the delicate electronics. A CPU cooling ...