> Was surprised to learn that with Apple silicon-based Macs, not all ports are e... | Hacker News

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		Macha on April 4, 2024 \| parent \| context \| favorite \| on: A disk so full, it couldn't be restored > 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.

voidbert on April 4, 2024 [–]

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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