Hi, > As I understand, netcard ROM file is needed only for network boot. So, > it's absolutely correct to use romfile="" option: network boot will > not work, but everything else will work correctly. Is that right?
In most cases yes. The exception to the rule is virtio-net with UEFI firmware. OVMF and ArmVirt images ship with a virtio-net driver included, so network booting works without a nic rom. take care, Gerd