All it took was combining a few pieces of Darwin with the DTS release of OS X, and there was quite a bit of source code available. In mid-August 2005, there was already a “deadmoo” torrent (bovinity anyone?) with OS X Tiger adapted to run in a VMware VM. When the Apple DTS (Developer Transition System, also called DTK or Developer Transition Kit) appeared in June 2005, it didn’t take much to remove the bits that were used to bolt OS X 10.4.1 to the DTS. This was in fact reported in 2002 and it was known that the project to keep OS X going on Intel was called Marklar. IBM’s 64-bit G5 was a good performer, but with no chance to be used in laptops, and the Motorola/Freescale G3 and G4 CPUs fell further and further behind in performance.Īn x86-based plan B made perfect sense. Intel 830 and 915 found in Darwin 8.0.1) that could only be found in Intel PCs and were not in any way essential for Darwin? Keeping the x86 support alive was Apple’s insurance policy in case PowerPC was no longer viable-and by the mid-2000s, it wasn’t. Otherwise why would Apple have x86 drivers for AC’97 audio or Intel graphics chips (e.g. There is every indication that throughout the early 2000s, Apple internally built and ran all of OS X on x86 PCs (it’s also something Steve Jobs himself mentioned in 2005).
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