/usr/bin/qemu-system-x86_64 kvm pc-i440fx-1.7 x86_64 /usr/share/AAVMF/AAVMF_CODE.fd /usr/share/OVMF/OVMF_CODE.fd rom pflash yes no Broadwell Opteron_G5 Opteron_G4 Opteron_G3 Opteron_G2 Opteron_G1 Haswell SandyBridge Westmere Nehalem Penryn Conroe n270 athlon pentium3 pentium2 pentium 486 coreduo kvm32 qemu32 kvm64 core2duo phenom qemu64 disk cdrom floppy lun ide fdc scsi virtio usb sdl vnc spice subsystem default mandatory requisite optional usb pci scsi default kvm vfio