Rosetta is Apple’s emulation layer in Mac OS X that allows PowerPC applications to run on Intel Macs. Tidbits is reporting that Rosetta is going away in Lion. That means if your planning to upgrade to Lion when it becomes available “this summer” none of your PowerPC-compiled applications will work. So how do you find […]
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Prepping for the end of Rosetta in Mac OS X

lrg_PowerPC.gifRosetta is Apple’s emulation layer in Mac OS X that allows PowerPC applications to run on Intel Macs. Tidbits is reporting that Rosetta is going away in Lion. That means if your planning to upgrade to Lion when it becomes available “this summer” none of your PowerPC-compiled applications will work.

So how do you find out which of your applications are compiled for PowerPC? Well, Tidbits has an answer for that too. Go to the Apple menu, click on “About this Mac”. In the windows that surfaces click on “More Info…”. Welcome to System Profiler. Once here, look along the left-hand side and select Application under the Software heading. You will be presented with a list of al the applications on your Mac.

Once the list populates, look under the “Kind” column off to the right. Here you will likely find three main application types: Intel, Universal, and PowerPC. Anything that is labeled as PowerPC will not run on Mac OS X.

So that mystery is solved, and will hopefully help you decide if you want to upgrade to Mac OS X Lion or not.

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