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 ...

anyone actually "burn out" one of them by using a high rpm fan? My 60 mm, 30 cfm delta didnt come with a 3 to 4 pin connector so its running off the mb header... so far so good, but has anyone ever ...

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 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 ...

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 ...

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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, ...