If you receive an error message indicating that your Mac's firmware is out-of-date, and hence cannot accept installation of Mac OS X from a CD/DVD -- specifically ...
I scrubbed the drive on my G4 tower and wanted to reinstall os 9.2 followed by OS X. Unfortunately, when I boot from the 9.2 CD and launch "Mac OS Install" ...
If you've ever have to wipe the drive of a very old Mac, you know you need an old macOS to get it running again. Beyond ...
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