Andy Skuse has submitted an explanation regarding why Mac OS 9 will not install and run properly on some Power Mac G4 Mirrored Drive Door systems: "The reason that a stand-alone install of of Mac OS 9 ...

Apple calls the DVD-R/CD-RW optical drives installed on its latter-day Power Mac systems “SuperDrives” because of their flexible format support. Now Mac upgrade and replace service MacResQ is offering ...