These options have the same definition as they have in @option{-hdachs}.
@item snapshot=@var{snapshot}
@var{snapshot} is "on" or "off" and allows to enable snapshot for given drive (see @option{-snapshot}).
+@item cache=@var{cache}
+@var{cache} is "on" or "off" and allows to disable host cache to access data.
@end table
Instead of @option{-cdrom} you can use: