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 ...

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 ...

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 ...

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 ...

Building a custom PC is supposed to be an exciting time, but there are some common mistakes that ruin the experience. One of those is daisy-chaining too many case fans to a single motherboard header, ...

As an Amazon Associate, we earn from qualifying purchases. TweakTown may also earn commissions from other affiliate partners at no extra cost to you. ASRock's Z370 Taichi is the embodiment of balance ...