Mac transition to Intel processors: Difference between revisions

Revision as of 17:30, 14 June 2023

Revision as of 17:34, 14 June 2023

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* October 26, 2007: Apple shipped [[Mac OS X Leopard|Mac OS X 10.5]] "Leopard", the final release with PowerPC support. Macs using a [[PowerPC 7xx|G3]] processor cannot boot this operating system as the backwards compatiblity with them have been removed, only [[PowerPC G4|G4]] and [[PowerPC 970|G5]] processors with a minimum 867 MHz clock speed are supported.

* August 28, 2009: Apple shipped Mac OS X 10.6 "Snow Leopard" the final release with Rosetta, allowing PowerPC software to run on an Intel Mac. only available for Intel Macs. PowerPC Macs cannot boot this OS as the backwards compatiblity with them have been removed. This is also the final release with Intel core solo and duo support.

* March 1, 2011: The beta version of the then-upcoming [[Mac OS X Lion]] operating system dropped "Rosetta" and lost the ability to run PowerPC based software.<ref>{{cite web|website=[[MacWorld]]|date=March 1, 2011|url=https://www.macworld.com/article/669343/no-java-rosetta-or-front-row-in-lion.html|title=No Java, Rosetta, or Front Row in Lion|first=Ashleigh|last=Macro|access-date=August 22, 2022|archive-date=August 22, 2022|archive-url=https://web.archive.org/web/20220822062008/https://www.macworld.com/article/669343/no-java-rosetta-or-front-row-in-lion.html|url-status=live}}</ref>

* June 23, 2011: Support for Mac OS 10.5 Leopard came to a end, formally ending Apple's support of PowerPC on Mac OS X.<ref>{{cite web|url=http://www.computerworld.com/s/article/9244852/Apple_signals_end_to_OS_X_Snow_Leopard_support|title=Apple signals end to OS X Snow Leopard support|quote=Apple provided the final update to Leopard in June 2011|first=Gregg |last=Keizer|date=December 17, 2013|website=[[Computerworld]]|url-status=live|archive-url=https://web.archive.org/web/20140407021432/http://www.computerworld.com/s/article/9244852/Apple_signals_end_to_OS_X_Snow_Leopard_support|archive-date=April 7, 2014|df=mdy-all}}</ref><ref>{{cite web |url=http://www.computerworld.com/s/article/9246609/Apple_retires_Snow_Leopard_from_support_leaves_1_in_5_Macs_vulnerable_to_attacks |title=Apple retires Snow Leopard from support, leaves 1 in 5 Macs vulnerable to attacks |first=Gregg |last=Keizer |date= February 26, 2014 |website=[[Computerworld]] |access-date=2014-05-09 |url-status=live |archive-url=https://web.archive.org/web/20140528150522/http://www.computerworld.com/s/article/9246609/Apple_retires_Snow_Leopard_from_support_leaves_1_in_5_Macs_vulnerable_to_attacks |archive-date=May 28, 2014 |df=mdy-all }} See the graph picture on the web</ref>

* July 20, 2011: The release of Mac OS X 10.7 Lion formally ended Apple's support of PowerPC-based software.