![]() Mac OS 8.5 is the first version of the Mac OS to require a PowerPC processor. Mac OS 8.1 introduces a new, more efficient file system named HFS Plus. Mac OS 8.0 introduces the most visible changes in the lineup, including the Platinum interface and a native PowerPC multithreaded Finder. As it came at a difficult time in Apple's history, many pirate groups refused to traffic in the new OS, encouraging people to buy it instead. Mac OS 8 is one of Apple's most commercially successful software releases, selling over 1.2 million copies in the first two weeks. Mac OS 8 helped modernize the Mac OS while Apple developed its next-generation operating system, Mac OS X (renamed in 2012 to OS X and then in 2016 to macOS). Released over a series of updates, Mac OS 8 represents an incremental integration of many of the technologies which had been developed from 1988 to 1996 for Apple's overly ambitious OS named Copland. It places a greater emphasis on color than prior versions. It includes the largest overhaul of the classic Mac OS experience since the release of System 7, approximately six years before. If you installed the driver software with your G4 upgrade card (what brand is it anyway?) then you may or may not have had AltiVec installed.Mac OS 8 is an operating system that was released by Apple Computer on July 26, 1997. Because of this, your Mac OS 8.6 install essentially treats your G4 processor as a G3. your G3 install disk does not feature the AltiVec extension I speak of. If that Mac OS 8.6 install CD you have works with your G3 system when the G3 processor is installed, then nothing should change when you install a G4 processor upgrade.īy the way, the earliest G4 towers shipped with Mac OS 8.6 very briefly.ĮDIT: Here is some stuff I have posted that you might enjoy: I'll find it for you and post here when I do. What you want is a the single AltiVec extension for Mac OS 8.6. No hacking or anything of that sort should be required. QuickTime 6.0.4, for example, is the latest version for Mac OS 8.6 (and 9.x as well). The important thing here is to UPDATE everything. You're G3 hasn't "become" a G4, its still just a G3, only now it has G4 processor upgrade. ![]() It isn't that hard I have 7.6.1 working with G4 processors. ![]()
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