No, I mean the opposite of that: 10.3 on a new-model 12" 1.33MHz G4 iBook. Those are delivered with 10.4 and I'm asking if anyone has ever tried to run 10.3 on one. On Mon, 27 Feb 2006, JE wrote: > I have 10.4 on a 900 mghz Dual USB. > > On Feb 27, 2006, at 11:13 AM, Tom R. no spam wrote: > > > The specification for the current 12" G4 iBooks (1.33MHz, > > scrolling trackpad, sudden motion sensor HD) is that > > minimum OS is 10.4. Has anyone ever tried to install > > OS 10.3 on one? Does it work? Maybe not supporting all > > the features like the scrolling trackpad and SMS HD which > > distinguish the current model from the prior 1.2 MHz model, > > but otherwise does it work?