Unfortunately that is another Catch 22. I've got Tiger installed but I'd be happy to erase the HD (it's backed up externally) and do a clean install of OS 9. However, I can't do that as the PB will not boot from an OS 9 CD-ROM. But thanks for the information. Don On 10/07/2008, at 12:52 PM, Karen Lindner wrote: > If you can find a copy of a system folder for 9.1, you can drag it > onto your Ti, log out, log in and use the OS 9.1 system. It might > work if the drivers are included. > > The problem is that the drivers and the system need to be installed > before you install a version of OS X to make it work. > > On Jul 9, 2008, at 9:06 PM, Don Williams wrote: > >> Mine turns out to be an 800 MHz model, but I have no idea when it >> was manufactured as my son bought it second-hand. As it won't boot >> from an OS 9 disk I guess it must be one of those that you mention >> (after Jan 10, 2003). >> >> In a rather Catch 22 situation, I have a retail OS 9.0.4 and the >> Tiger accepts its copied system folder for Classic but then says I >> need at least 9.1. But if I have no way of running OS 9 I can't >> update it. So it looks like there is no solution, but luckily the >> application I would like to run (Music Mouse) is not in any way >> vital. > > _______________________________________________ > Titanium mailing list > Titanium at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/titanium