Yokemate of Keyboards
Posts: 2021 from 2003/2/24
From: po-RNO
I updated two G5 machines and both did work fine, although I didn't update them from the CD.
The first was 7,3/2.7GHz with an original Radeon, but with a broken CD tray. But as OF does work, I updated by USB booting from the ISO.
The second was an "unsupported" 11,2/2.3GHz with an X1950 Pro. I first tried to boot to the Alt menu and select CD blindly, but didn't seem to succeed in that. Then I did steps 1 and 3 from your list (skipped 2) and that did work fine, haven't noticed any issues with this "unsupported" method.