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 ...

The CPU_FAN header is the primary fan connection on the motherboard, specifically designed to control the CPU cooler. Here are some key points about the CPU_FAN header: The CPU_OPT header, also known ...

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 ...

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, ...

ASRock’s Z97 Extreme6 motherboard is a very “busy board”. We do of course have the usual connectors in their normal locations, such as CPU fan headers near the RAM, the 8 pin at the top left and the ...

Fan speed is temperature-controlled. The fan RPM range depends on what fan model you use. Fan control on the Gigabyte B550 Vision D can be accessed both in the BIOS, or through SIV in Windows. The ...