On Nov 9, 2008, at 9:29 AM, stefan möller wrote: > I´m an owner of a G4 800Mhz single processor "quicksilver unit with > osx 10.3.9 installed. > > I would like to hook up a dvd-writer to my system without upgrading > anything exept maby a suitable version of Toast software for the > osx10.3.9. > Is this possible? You can easily replace your existing optical drive in the G4 with a nice new Pioneer SuperDrive for as little as $29.99 from OWC: <http://eshop.macsales.com/item/Pioneer/DVR116DBK/> For DVD burning under OS 10.3.x, you will need Roxio Toast, or NTI DragonBurn, or similar program.