everything that was written before this quote I did not quite understand.
I looked at the link … he means that without SPI you can not load boot from nvme. If your NVME boots through SPI then there should be no problem.
I made a new version of the script. Now you can still install Manjaro and slarm64 images. The -v switch is added. When selected, the program version is displayed.
To install Manjaro on an SSD:
make_multiboot_dev.sh -d /dev/nvme0n1 --root-size 10000 -i Manjaro-ARM-xfce-rockpi4-20.04.imgChange root-size and image file as you need