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by LSDro
2026-08-20 15:38
Forum: Luckfox Pico-RV1103/RV1106
Topic: UART3 disabled in stock Ubuntu image on Pico Pro Max — device-tree findings + boot failure report
Replies: 0
Views: 30

UART3 disabled in stock Ubuntu image on Pico Pro Max — device-tree findings + boot failure report

Hi all,

I'm building a GNSS base station on a Luckfox Pico Pro Max (RV1106G3, 256MB), running the latest Ubuntu 22.04.3 LTS image (downloaded on the official drive) from a micro SD card. I needed UART3 (pins 19-20, UART3_TX_M1/UART3_RX_M1, GPIO1_D0/GPIO1_D1) to talk to a u-blox ZED-F9P, and ran ...

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