You can't upgrade any PowerMac past Mac OS X 10.5.8. That means Mac OS X 10.6 Snow Leopard, 10.7 Lion, and 10.8 Mountain Lion will not work with any PowerMac. PowerMacs with PowerPC 601 to 604 processors can all be upgraded to Mac OS 9.1, except certain Performa/Powermac 54xx/55xx/63xx/64xx machines which were limited to Mac OS 7.5.5 where X can be any number. PowerMac G3s with a Beige case could be upgraded to Mac OS X 10.2.8. Some may require a. A third party XPostFacto software expanded some of these machine's upgrade options.
PowerMac G3s with a Blue and White case, and could be upgraded to Mac OS X 10.4.11, however, could not boot externally via Firewire, nor USB any version of Mac OS X. An internal drive solution is needed to boot the installer disc of any Mac OS X. Some may require a. Powermac G4 with up to dual 800 Mhz processor were limited by Apple to Mac OS X 10.4.11, though third party software known as LeopardAssist could force Mac OS X 10.5 to 10.5.8 to be able to be used on some of those Macs. Note with Mac OS X 10.5, Classic is gone. If your PowerMac supported booting into Mac OS 9, it would continue to be able to do so after upgrading to 10.5 as long as the Mac OS 9 drivers were left installed.
Powermac G4 with 867 Mhz, 1 Ghz and higher, and G5 machines could all be updated to 10.5.8. The PowerMac G5 is not to be confused with the Mac Pro, the user tip on explains how to tell them apart.
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I have a PowerPC G5 Mac os x 10.5.8 dual 2 GHz. Im having problems with Itunes 10.6.3 and Quicktime Pro. When - Answered by a verified Mac Support Specialist. I have a PowerPC G5 Mac os x 10.5.8 dual 2 GHz. Im having problems with Itunes 10.6.3 and Quicktime Pro. When try to open itunes i get: iTunes requires QuickTime 7.5.5 or later. I have a power mac g5 10.5.8. It is a great computer but it will not down load the driver (disc) for Epson XP-410 printer. It states that the “architecture” does not support the printer states that it can handle the 10.5.8.
This explains additional upgrade options. Apple Footer. This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums. Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. All postings and use of the content on this site are subject to the.