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Nonsense I'm afraid
Authored by: mcnaugha on Oct 09, '02 02:40:34PM

I emailed this to MacFixIt, they normally post my ramblings... but chose not to post this. Perhaps the editor was embarrassed or something.

Despite having a new ATA/100 bus the Power Mac G4 (Mirrored Drive Doors) is no different from any previous Mac model. The reason your existing Mac OS 9.2.2 CD wouldn't boot your machine is the same reason a Mac OS 9.1 CD couldn't boot it either. It is brand new hardware and each time there's new hardware the Mac OS ROM file has to be updated to run this new hardware. The Power Mac G4 (MDD) does not have a special version of 9.2.2. It simply includes a newer Mac OS ROM than was on your version of 9.2.2. In actual fact these models require Mac OS ROM 9.5.1 or later.

In order to get your previous 9.2.2 CD to work you simply copy the System Folder from it to a new Image and replace its Mac OS ROM with Mac OS ROM 9.5.1. You can copy the Mac OS ROM 9.5.1 from your G4's System Folder. There are other newer hardware drivers that you might want to include, such as newer ATI driver update and newer FireWire Support extensions... oh and don't forget the newer Apple CPU Plugins.

When I upgraded from a G4 (Digital Audio) to a G4 (MDD) I just cloned my existing 9.2.2 install onto the new ATA/100 drive and then added in the new Mac OS ROM and new additional extensions. It runs like a dream. Also I make a bootable utilities CD and by simply updating Mac OS ROM and the other extensions it boots my G4 (MDD) well.

I'm an Apple Certified Service Engineer, but you don't need that qualification to gain the above knowledge. It is common knowledge actually... and has always been the case with all new models for a long time now.



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New DP Quicksilver and 9.2.2
Authored by: Carlo on Oct 23, '02 05:12:54PM

Hi folks
all the previous hints have been very helpful (expecially the one about the bootable CD: I simply copied the 9.2.2 folder that comes with the Restore CDs option and made a partition with Toast so that the CD could have been made bootable).

I am now trying to create a "custom made" system folder for my new 1 Ghz DP, using an already installed and perfectly working 867 quicksilver as starting point (too many things and progs installed!).

I simply replaced the MacOs ROM file and few other newer extensions (audio, firewire, ATI drivers, ecc.).

Everything is perfectly fine except DiskBurner does not work anymore: if I insert a blank CD it's seen as empty on the desktop but when I try to complete the copy (ejecting the CD), it says the drive is not supported.
Which files do I need to properly burn CDs from the desktop?

Can I use the HDD that came with the 867? As far as I can see, it works and it is the same IBM disk, except the size is 20Gb less... only wonder about the bus' speed and slowdowns.

Thank a lot everyone, have a nice day
Ciao
Carlo



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no files to trash
Authored by: montespluga on Nov 21, '02 05:52:23PM

Had no need to trash these files, just burning out of OS-9 the boot-CD has been working, the systemfolder is blessed ;-)

montespluga



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