I think what's been alluded to here is firmware updating. See this Apple doc: http://docs.info.apple.com/article.html?artnum=120068 You can only do this from os9. I have no idea if this would be automatically handled by a direct install of OSX. I always did this first. Good luck, John --- On Tue, 2/17/09, Larry Campbell <campgeez at comcast.net> wrote: > From: Larry Campbell <campgeez at comcast.net> > Subject: Re: [G4] G4 Sawtooth/Tiger Install > To: "A place to discuss Apple's G4 computers." <g4 at listserver.themacintoshguy.com> > Date: Tuesday, February 17, 2009, 6:23 PM > Hi Bill, I have a G4 400 mhz APG powermac. It originally had > 256 mb of ram and a 10 gb hard drive. I added 1gb of ram and > a 120 gb hard drive to it. I used disk utility to set up the > hard drive, then I installed Tiger with no problem at all. I > did not have to install OS 9. I am running just fine. > On Feb 15, 2009, at 2:54 PM, Bill Coan wrote: > > > > > Hi all, > > > > I am a recent novice Mac user having baught a G4 > "Sawtooth" only several months ago. I have done > quite a bit of reading about > > upgrades and have taken a couple of simple steps on my > own (I'm not a novice to computers as a whole and am not > squeamish > > about opening one up and doing some basic renovating). > > > > I have upgraded the memory to a full 2 GB although I > understand this will only recognize 1.5 GB until I install > OS X (I have Tiger). > > Cut to the chase; I was told OS 9 would need to be > installed before I could install Tiger so I did that > successfully. Now, when I try > > to install iger I get a pop-up message indicating that > there is an application needed to initiate the install that > isn't being found but > > no reference to what that application is. > > > > Does anyone have any Idea what's going on here or > has had this problem before who can give me some info on how > to complete > > this upgrade? > > Thanks...Fatwilly