Have you "tuned" OSX 4 to run better on the G3s? I found turning off many of the bells and whistles helped. Here is a good article with some tips to get all versions of OSX to run better on slower machines. http://www.macosxhints.com/article.php?story=20020221092653868 On Sep 2, 2007, at 9:48 PM, Daniel Tellier wrote: > > 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.