I Don't know real hardware, but on qemu: qemu-system-x86_64 -bios /usr/share/qemu/OVMF.fd -drive media=disk,file=ubuntu-20.04.1-desktop-amd64.iso
"-bios will only provide one big read-only ROM. In that case OVMS stores the EFI variables in /boot/EFI/NvVars."
I Don't know real hardware, but on qemu: qemu/OVMF. fd -drive media=disk, file=ubuntu- 20.04.1- desktop- amd64.iso
qemu-system-x86_64 -bios /usr/share/
"-bios will only provide one big read-only ROM. In that case OVMS stores the EFI variables in /boot/EFI/NvVars."