you are trying to install the system with EDK2 - these images do not yet have an installation on NVMe, running only from external media (SD USB). To install on NVMe, you can use images from directories on the site without specifying EDK2.   Direct recording of the entire image on NVMe is a bad practice imposed by ignoramuses who do not know how to properly assemble a system with a normal installation through the armbian-config\armbian-install script. All images from this theme (excep