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Watchlist | 19 Sep 2012 | Print Printer-Friendly Version of This Article

EFI and SMC Updates for MacBook Pro and MacBook Air

by Agen G. N. Schmitz Send Email to Author

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Apple has released four firmware updates for select MacBook Pro and MacBook Air models released in 2012. The MacBook Pro EFI Firmware Update 2.9 (4.29 MB) resolves an issue that caused the system to hang during heavy processor loads. The MacBook Air EFI Firmware Update 2.5 (4.76 MB) fixes an issue where Turbo Boost isn’t activated while using Boot Camp, and it ensures that NetBoot works properly when using an Ethernet adapter. The MacBook Pro Retina EFI Update 1.0 (4.97 MB) borrows a little from each of these sibling updates, addressing the former’s system hangs during processor-intensive use and the NetBoot issue of the latter.

Additionally, the MacBook Air SMC Update 1.7 (658 KB) is a System Management Controller patch that enables Mountain Lion’s Power Nap feature for MacBook Air models released in late 2010. As always with firmware updates, we recommend relying on Software Update to ensure you get the firmware update for your specific model, and be careful not to interrupt the update process. (Free)

 

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