It's a Dual 2 GHz PPC from 2007 running 10.5.8. I have old disks for 10.2 but they don't include Classic OS. I have OS 9 disks but they're for a G4. What are my options, including buying Classic OS somewhere or re-formatting the hard drive?
None, unless you have the computer's original disks or a retail Mac OS X 10.3 or 10.4 package and can install Mac OS 9.1 or 9.2 on another computer. Mac OS X 10.5 doesn't support Classic.
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Mac OS X: What is a Classic Application?
http://support.apple.com/kb/TA20902
Do Classic applications work with Mac OS X 10.5 or Intel-based Macs?
http://support.apple.com/kb/HT2253
Cheers, Tom 😉
SheepShaver is an Mac Classic emulator that may solve your problem in OS X 10.5 Leopard. Check Google to find a download.
How can I get classic to run on a G5?
