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On of on my pi zero I think my RXD pin is out. When trying to connect through usb/serial I receive all the loading of the boot and the login console but cannot send anything (thus cannot login).

I tested various different usb/serial cables, all worked on various other pi zero with the same SD card but not with this one. Thus I am almost 100% sure it's the pin.

I read here and there that other pins can be use as alternative UART. I guess than that I could connnect my USB/serial cable to this other pin, but I didn't find any explanation on how I should process to tell the pi to use another port as RXD.

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