Don't know which are problematic, but I know one that isn't: Griffin Tech. Dr Bott sells them (see below, at the bottom of every message); I bought one not long ago. jeff small wrote: > At 9:39 AM -0800 11/27/02, Ron wrote: > >> on 11/27/02 5:07 AM, Wayne Locke at kodama at austin.rr.com wrote: >> >>> My 400mhz G4 never sleeps.I can put it to sleep with a hot corner but >>> it wakes in a few seconds. I removed an Adaptec SCSI card which I don't >>> use but I do have a second and older video card for a second monitor. I >>> have 10.2.2 and this has gone on since 10.2. >> >> >> I'm not using 10 but I had a Promax video card that wouldn't allow for >> sleep >> and also some usb hubs conflict with sleep. Try removing yours. >> > > I'm having not going to deep sleep problems with my new G4 too. > Is there a resource with info on *which* USB hubs are problematic? > > I need more data!