10/3/2023 0 Comments Mac os x timelineA proposal was floated after Jobs departed but was quickly disapproved by management. History 1980s Īpple's efforts to move to Intel hardware began in 1985. In addition, there were reports that IBM officials had concerns over the profitability of a low-volume business, which caused tensions with Apple and its desires for a wide variety of PowerPC processors. Tim Cook, then Apple's Executive Vice President of Worldwide Sales and Operations, said during an earnings call that putting a G5 in a PowerBook was "the mother of all thermal challenges". Apple officials also said in 2003 they planned to release a PowerBook with a G5 processor, but such a product never materialized. In 2004's WWDC keynote address, Jobs addressed the broken promise, saying IBM had trouble moving to a fabrication process lower than the 90 nm process. He promised a 3 GHz Power Mac G5 within 12 months, but never released such a product. Background A PowerPC 970FX processor, which was used in a number of Apple computers featuring PowerPC G5 processorsĪpple had been using PowerPC processors in its products for 11 years when the move to Intel processors was announced.Īt 2003's WWDC keynote address, Jobs unveiled a Power Mac with a processor from IBM's PowerPC G5 product line, the first personal computer to feature a 64-bit processor. In 2020, Apple announced that it would shift its Mac line to Apple silicon, which are ARM-based processors developed in-house. Mac OS X Lion (version 10.7) dropped support altogether. The final version to run applications written for PowerPC chips, using the Rosetta binary translator, was 2009's Snow Leopard (version 10.6). The final version of Apple's Mac OS X that ran on PowerPC chips was 2007's Leopard (version 10.5), released in October 2007. In August, Jobs announced the last models to switch, with the Mac Pro available immediately and the Intel Xserve available by October (it actually shipped in December). The first-generation Intel-based Macintoshes were released in January 2006 with Mac OS X 10.4.4 Tiger. Īpple's initial press release said the move would begin by June 2006 and finish by early 2008, but it actually proceeded much more quickly. The first was in 1994, when Apple discarded the Mac's original Motorola 68000 series architecture in favor of the then-new PowerPC platform. This was the second time Apple changed the processor instruction set architecture of its personal computers. The change was announced at the 2005 Worldwide Developers Conference (WWDC) by then-Apple CEO Steve Jobs, who said Apple would gradually stop using PowerPC microprocessors supplied by Freescale (formerly Motorola) and IBM. The list is full of other interesting details and nuggets of information, and I’ve made sure to save it in Pinboard for future reference.Ĭheck out the complete timeline here.In 20, Apple switched the CPUs of Mac and Xserve computers from PowerPC to the x86 architecture from Intel. Rob notes that, as of today, it’s been 4,158 days since the first OS X Public Beta was released Apple has thus released an OS X update every 66.00 days on average, with the shortest period of time between two releases being the interval between 10.6 and 10.6.1 (13 days). Note that this release marks the 63rd release of OS X (counting both major and minor versions, and skipping two ill-fated updates). Starting with the first Mac OS X Public Beta all the way up to the latest Lion update, Rob’s list comes with dates, intervals of days, and a link back to Apple’s support documents for each release.īelow the break is a table showing all major releases of OS X from the public beta through the latest public version, which is OS X Lion 10.7.3 as of February 1, 2012. Here’s a useful resource I’ve found via following the release of OS X 10.7.3 earlier today: Rob Griffiths has been maintaining since November 14th, 2005, a complete list of every OS X major version and software update released to date.
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