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The PowerPC 970 ("G5") was the first 64-bit Mac processor. The PowerPC 970MP was the first dual-core Mac processor and the first to be found in a quad-core configuration. It was also the first Mac processor with partitioning and virtualization capabilities. Apple only used three variants of the G5, and soon moved entirely onto Intel architecture.
Mac OS X 10.4.7 and higher versions of Mac OS X 10.4 run 64-bit command-line tools using the POSIX and math libraries on 64-bit Intel-based machines, just as all versions of Mac OS X 10.4 and 10.5 run them on 64-bit PowerPC machines. No other libraries or frameworks work with 64-bit applications in Mac OS X 10.4. [96]
The Intel High Definition Audio specification includes the following features: [ 2] Up to 15 input and 15 output streams. Up to 16 PCM audio channels per stream. Sample resolutions of 8–32 bits. Sample rates of 6–192 kHz. Support for audio codecs (e.g., ADC, DAC ), modem codecs, and vendor-defined codecs. Discoverable codec architecture.
The 2006–2008 models use the LGA 771 socket, while the Early 2009 and later use the LGA 1366 socket, meaning either can be removed and replaced with compatible 64-bit Intel Xeon CPUs. [15] A 64-bit EFI firmware was not introduced until the MacPro3,1, earlier models can only operate as 32-bit despite having 64-bit Xeon processors, however this ...
As part of the Mac transition to Apple's own processors, the Intel-based iMac was succeeded by the Apple silicon iMac beginning in 2021. Apple discontinued the 21.5-inch Intel iMacs the same year, with the 27-inch model discontinued in March 2022, following the announcement of the Mac Studio and 27-inch Apple Studio Display. [1]
This allowed those Macs to support 64-bit processes while still supporting 32-bit device drivers; although not 64-bit drivers and performance advantages that can come with them. Mac OS X 10.7 "Lion" ran with a 64-bit kernel on more Macs, and OS X 10.8 "Mountain Lion" and later macOS releases only have a 64-bit kernel. On systems with 64-bit ...
v. t. e. The Mac transition to Intel processors was the process of switching the central processing units (CPUs) of Apple 's line of Mac and Xserve computers from PowerPC processors over to Intel 's x86-64 processors. [ a] The change was announced at the 2005 Worldwide Developers Conference (WWDC) by then-Apple CEO Steve Jobs, who said Apple ...
The Mac transition to Apple silicon was the transitioning of Apple Inc. 's line of Mac computers from designs using Intel x86-64 CPUs to designs based on Apple-designed processors based on the ARM64 architecture. Apple CEO Tim Cook announced a "two-year transition plan" to Apple silicon on June 22, 2020. [ 1]