What processor did you put in it? Some of the earlier Sonnets had wake from sleep issues. Not sure about PowerLogix upgrades. Some computers need firmware updates in OS9 before your use the CPU upgrade. We need more exact info to help you properly. jj On Wednesday, March 3, 2004, at 11:56 PM, Power Macintosh G4 List wrote: > G4 AGP that I converted from 400 to 800