Hi Dan, My only thought is that you were upgrading G3s, which of course lack Altivec, and I know that OS X makes heavy use of it to speed things up. Eric On Sun, 2007-09-02 at 22:48 -0400, Daniel Tellier wrote: > Earlier this spring I purchased a gigabit ethernet, G4, 400 MHz, 20 Gb > HD. It does, indeed, have 4 ram slots. Mine came with OSX 10.3 > Panther. I installed 4, 512Mb memory modules and the ASP recognized 2 > Gb of ram and it runs lots faster than it did with Panther and only 384 > Mb of ram. Although I own a family pack of Tiger, I'm leaving the > Gigabit ethernet with Panther because of the following experience. > > I also have two G3 iBooks, a 700 Mhz, with an 80Gb HD, and an 800 Mhz, > with a 30 Gb HD, both with 640Mb RAM. I upgraded the 700Mhz to OSX > 10.4 Tiger and its performance slowed considerably. If I remember > correctly, Tiger is a significantly larger system than Jaguar or > Panther and seems to slow the older, slower systems down. (More memory > might alleviate this problem, but that is not an option with these > iBooks - they are both maxed on RAM). I'm planning to move it back to > Panther because of this. That is, of course, unless some to the guys > with more experience than me tell me I'm wrong and what I did to slow > down my iBook besides upgrading to Tiger. > > Hope this helps. > > Dan > > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4 >