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A comment on A disk so full, it couldn't be restored. Parent comment

Re:A disk so full, it couldn't be restored by Macha on Thursday April 04, 2024 @08:06AM (#39929324)
> Was surprised to learn that with Apple silicon-based Macs, not all ports are equal when it comes to external booting

iirc, not all ports were equal when it came to charging with the m1 macs, so this is actually not so surprising.

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Re:A disk so full, it couldn't be restored by voidbert on Thursday April 04, 2024 @08:22AM (#39929494)
But charging through many ports requires extra circuitry to support more power on every port, while booting from multiple ports just requires the boot sequence firmware to talk to more than one USB controller (like PC motherboards do, for example)
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