vt_linux_specify_initrd_file /boot/initramfs-x86_64.img
elif [ -f (loop)/boot/isolinux/initramfs_data64.cpio.gz ]; then
vt_linux_specify_initrd_file /boot/isolinux/initramfs_data64.cpio.gz
vt_linux_specify_initrd_file /boot/initramfs-x86_64.img
elif [ -f (loop)/boot/isolinux/initramfs_data64.cpio.gz ]; then
vt_linux_specify_initrd_file /boot/isolinux/initramfs_data64.cpio.gz