On Nov 16, 2005, at 6:00 PM, Daniel Brieck Jr. wrote: > John, > > Yeah those are notoriously noisy systems... Apple even offered > some kind of exchange kit at some point for the power supply fans > noise.. > > There is also a firmware issue like you mentioned here is a link to > it... > > http://docs.info.apple.com/article.html?artnum=42948 > > > There are still other problems even after the firmware fixes > apparently ... > > http://www.g4noise.com/tutorial.php?ID=54&p=0 > > Check google for many pages on the topic... > > > Also as something worth noting is that any g4 can get really noisy > if a fan starts going bad, my Quicksilver g4's CPU fan was going > bad and it was making a harmonic vibration sound in a bad way. The > fan was running, but after trying to turn it there were some major > problems with its rotation. These fans can go at any time., so > check and make sure they are spinning freely before doing other > major things.. I paid only $5 to get a new CPU fan. So it was a > quick fix for a quieter system... But none of the G4's are really > whisper quite... > > > Thanks, for all the answers. I did the upgrade, seems a bit better., but much louder than my 1.25. Oh well, it was a good deal.