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Some basic info about USB
(lemmy.world)
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this post was submitted on 09 Sep 2024
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I discovered that my Thinkpad apparently supports charging from all of the (unlabeled) USB-C ports after I inadvertently started it charging from my cell phone's (unlabeled) USB-C port.
I can do you one better: My GPD laptop has a charging indicator on the center type-C port indicating that this is where the power supply goes, but it can actually be charged from either port regardless of the icon. Both ports are USB 3.0 or 3.2 or whatever the current fast standard is this week, but only the center one supports video out via an external GPU enclosure. So if you want to use it docked with an eGPU, it's actually required to not plug the power supply into the port that says you should plug the power supply into it.
So not only is the marking meaningless, it's arguably worse than meaningless because in one of the headline hardware setups for the machine it is actually 100% incorrect to do what the marking is telling you to do. Wrap your head around that one...