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on linux, how do i check if a usb c port on my mobo can transfer data (lemmy.ml)

submitted 1 year ago by [email protected] to c/[email protected]

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hi everyone, my audio interface is on (and thus drawing power) but it's not being detected by my computer as an input output device, thoughts?

p.s. it worked just fine with a usb a port and the usb c cable im using does transfer data

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[–] [email protected] -1 points 1 year ago

That's the thing ! It's not linux specific.

How it works :

USB 1 and 2 use a set of 4 pins. It can only use those 4pins to transmit data.

USB 3 uses 9 pins : the 4 original pins and 5 more pins. It is backwards compatible with USB 1 and 2 because it can only use those four pins instead of the full array.

USB-C, however, uses 24 pins (2*12 pins to be exact). However, what makes no sense, is when using a USB-A to USB-C cable it does work only in one direction : from USB-A to USB-C.

But rest assured, you are not alone onnthis issue. I've had it, even when I did not want to tranfer data but just power : it does not work, whether on Windows or Linux...