The G4 MDD upgrades are processor board only - you will keep the MDD motherboard. For other info on your upgrade see my earlier post today about the 7447 temperature issues. Best regards - Bob Springer On May 8, 2007, at 1:38 AM, Bruce Ryan Nakamura wrote: > Hello, > > Is upgrading a single processor 1.25 Ghz MDD to a dual processor > unit, only > a matter of changing the processor, I can use the same motherboard? > > Thank you, > > Bruce Ryan Nakamura > > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4 > > Listmom is trying to clean out his closets! Vintage Mac and random > stuff: > http://search.ebay.com/_W0QQsassZmacguy1984