How to boot from USB?

uConsole
1

I have switched to CM5 and am currently running it with an SD card, but considering durability, I would like to boot from a USB drive or SSD connected via USB. However, I don’t know how to do it.

2

Joe on TindieのuConsole USB拡張ボード
In addition to the standard USB port, a USB hub is attached as mentioned above.

3

you can’t, they broke usb boot with the v5 mainboard to fix an issue with the cm3 not turning off properly

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4

Does the OS prevent USB booting?

5

the USB ports aren’t powered until the kernel is loaded

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6

That’s the specification, isn’t it?