Apple has confirmed a register report that Panther, aka Mac OS X 10.3, will not be a fully 64-bit operating system. Greg Joswiak, Apple's vice president of hardware product marketing, this week admitted that Panther will be a 32-bit operating system tweaked to support 64-bit addressing.
That's the same technique implemented in Mac OS X 10.2.7, the version of the Apple operating system that will ship with the first 64-bit Power Mac G5s. Mac OS X 10.2.7, codenamed 'Smeagol', is a 32-bit OS, but certain libraries and other elements have been recoded to allow it to make use of the 64-bit addressing provided by the G5's 64-bit IBM PowerPC 970 processor.
In the run up to the launch of the G5 and subsequently, many Mac users assumed that Panther would be a fully compiled, 'true' 64-bit OS. However, reporting on an chat with Greg Joswiak, Apple's vice president of hardware product marketing,PC World.com this week noted: "Apple hasn't announced plans for a pure 64-bit operating system; Panther, an updated 32-bit OS due out the end of this year, will have [Mac OS X 10.2]-like 64-bit support."
News source: The Register
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