Go to this site http://www.macupdate.com/info.php/id/13551 and download the UniNorthASICChecker 1.0 This will check your G4 motherboard if it is capable of a dual processor upgrade. Not all G4 motherboard can accept a dual processor. Ernie >Hi Carlos, I have one of those and as I know their logic board >doesn't support DP. Pay attention, G4 DPs appeared with gigabit >models forward. Don't buy it!!! Check this out in the "accelarate >your mac's" web site. I don't remember their URL well so get it out >of Google. > >Good luck. > >Jose. > >On Mar 21, 2005, at 2:09 AM, g4-request at listserver.themacintoshguy.com wrote: > >>I recently acquired a second-hand Sawtooth G4/450 and I'm wondering if >>it's possible to upgrade this with a second processor? it's running OS >>X exclusively, so the DP would provide a significant boost, I would >>think. Thanks, >> >>Carlos > > >_______________________________________________ >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