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Compute Module • Compute Module 5 Fan goes to 100% on shutdown

On the official CM5 IO Board, as well as Pineboards' new Modulo 5 carrier, if I have a fan plugged in, upon shutdown the fan will go to 100% power. It stays that way until I boot the Pi back up, and PWM control takes over again.

I'm not the only person noticing this behavior: https://x.com/smarthomecircle/status/18 ... 2652394957

It would be nice to not have the fan go blasting off when the CM5 is powered off—is there a firmware setting or update we could use to prevent this behavior?

I've tested with both an EDAtec CM5 Active Cooler and a Pi 5 Active Cooler modified to fit.

Statistics: Posted by geerlingguy — Thu Dec 05, 2024 9:34 pm



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