Hey everyone! I'm having an odd issue with my fan setup. Here's what I'm working with: I've got an Asus B550M TUF Gaming Plus WiFi motherboard with the latest BIOS, and I'm using a TUF Gaming PWM hub connected to a channel fan connector. My fans include three Arctic P14 Pro RGB fans in a daisy chain and three Arctic P12 Pro RGB fans also in a daisy chain. The problem is that one specific fan in the middle of the P14 chain is constantly running at full speed while the others seem to be running slowly (about 500 RPM in the BIOS). I've even swapped out that fan for a new one, but it's still the same issue. Interestingly, if I disconnect that particular fan or connect it to the CPU_OPT header, it works fine. The last fan in the chain doesn't seem to have any problems. I'm really puzzled by this! Any ideas on what could be causing it? Thanks for your help!
2 Answers
It sounds like these Arctic fans might not support daisy chain control, which could be causing one of them to run in a sort of safety mode if they aren't getting clear instructions. Just a thought!
Have you tried swapping the fans around? Is it the same fan going full speed every time, or just the one in the middle, no matter where it's plugged in? That could give you a clue about what's going on.
I actually have the Pro version of the fans that come with a built-in chain cable, so they should work together. But the safety mode idea is interesting!