On 10 Jul 2008, at 05:06, Don Williams wrote: > Thanks Jim > > 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). The 800s shipped with 9.2.2 and probably require it. ALL Tis run OS 9. -- Best wishes Malcolm Cornelius - The Powerbook Fanatic http://www.pbfanatic.co.uk