-drive id=disk,file="machine/disk0.vdi",if=none \
-drive id=cdrom,file="$(1)",readonly=on,if=none,format=raw \
-device ahci,id=ahci \
-drive id=disk,file="machine/disk0.vdi",if=none \
-drive id=cdrom,file="$(1)",readonly=on,if=none,format=raw \
-device ahci,id=ahci \