December 15, 2025Dec 15 I have an Radxa 5B+ that are powered through POE HAT. The problem is that POE HAT fan does not work at all. I have to identical machines, same issue on both of them. I have installed Armbian minimal Bookworm on both, on nvme ssd.
December 15, 2025Dec 15 According to the schematic it seems like pwm is used for that. That would need to be enabled as device tree overlay. https://dl.radxa.com/accessories/25w-poe/radxa_25w_poe_plus_hat_v1.2_schematic.pdf Not sure if there is further/DIY programming necessary to make it work.
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