I think a company called Daystar may do one. I have read they do it for Pismos. Search the Applelinks web site for more info. On 10/12/2005, at 2:25 PM, Webmstr1 wrote: > I have recently purchased my second Mac. A Titanium Powerbook 500. > It came with 125RAM. I am already going to upgrade it to 1gb. But, > I was wondering if it was possible to upgrade the processor. > Anybody have any ideas? > Thank you. ......... Peter Sealy Thurgoona AUSTRALIA