At 09:38 PM 1/21/2003 -0500, you wrote: >It would be a do-able project if you could find a source of quad flat >ceramic package 68040 CPUs. I have never seen one. Does any mac use a >full blown 040 in that package ? > >Mad Dog As far as I know, the only one I've ever heard of is the Powerbook 550. Hacking up a 550 to give a Duo a 68040 would be blasphemous :) Scott Holder