Flash NRU-220S with Pre-Built System Image

Prepare a Host Computer for Flashing

• Prepare a x86 host computer with Ubuntu 20.04 or Ubuntu 18.04 installed

• Prepare a pure JP 5.1.1 environment [LINK]

• Download the NRU-220S overlay tarball from NRU NAS

Flash NRU-220S from Host with System Image Rebuilt

• Flash once with flash_pinmux_32GB.sh to make you flash environment ready

cd $L4T
sudo ./flash_pinmux_32GB.sh

Flash NRU-220S from Host without System Image Rebuilt

• Put your system.img in $L4T/bootloader

• Flash the system image without system image rebuilt from the rootfs/

cd $L4T
sudo ./flash_JAO32GB_system_reuse.sh