Hi Milan, On 12/02/18 17:39, Milan Buška wrote: > Hi Jon, > > Use > USB to TTL Serial Cable - Debug / Console Cable for Raspberry Pi > > Jetson TX2 J21 Pin 8 (UART 1 TXD) → Cable RXD (White Wire) > Jetson TX2 J21 Pin 10 (UART 1 RXD) → Cable TXD (Green Wire) > Jetson TX2 J21 Pin 9 (GND) → Cable GND (Black Wire) I believe that you want J17. Can you try connecting the debug cable to that header? > Again, I am sorry to be burdening this mailing list with stupid questions Not at all. This is the correct forum for mainline kernel related questions. If you have generic Jetson-TX2 or L4T questions then the right place is here [0]. Cheers Jon [0] https://devtalk.nvidia.com/default/board/139/jetson-embedded-systems/ -- nvpublic -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html