Perhaps you also need an ofboot line per this bug report? I know that's required for SATA but maybe also for PATA devices as well? http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=572869 Also, q.v. the list archives for other posts about yaboot: http://lists.debian.org/cgi-bin/search?query=yaboot&list=debian-powerpc&sort=date&HITSPERPAGE=10&language=en -Gary