All Ti's up to the 1GHz / 867MHz model (P88) that was discontinued in September 2003 will boot into 9 Alex On 14 Feb 2005, at 10:23, Jolly Blackburn wrote: > I could be wrong but I think it was the Tibook 550. If not THAT model > the one after it. I recall buying mine as a refurbished unit because > the new models wouldn't boot in OS9. > > I could be wrong but I should be in the right ball park. > > On Feb 14, 2005, at 4:06 AM, Larry Melman wrote: > >> Anyone know the designation/speed of the last PB that was able to >> boot in OS9?