2012 iMac Thumb

Apple Releases EFI Updates for 2012 iMacs and Retina MacBook Pros

Posted in Mac, News on 18/12/2012 by J. Glenn Künzler

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Apple released a pair of EFI updates for their most recent Macs, addressing issues with sleep and Thunderbolt, as well as general performance improvements.

First, the EFI update for new 2012 iMacs:

About iMac EFI Update 2.0

This update is recommended for all iMac (late 2012) models. This update contains general performance fixes pertaining to sleep and Thunderbolt, and improves compatibility when using the 5GHz band in Wi-Fi.

Boot ROM or SMC Version Information: After Update is complete:

Build version: 010A.05

ROM version: IM131.88Z.010A.B05.1211151146

And another EFI update for Retina MacBook Pros:

About MacBook Pro Retina EFI Update v1.1

This update is recommended for all 13-inch MacBook Pro with Retina display (late 2012) models. This update improves sleep performance, enhances Thunderbolt router support, fixes an HDMI display issue, and improves compatibility when using the 5GHz band in Wi-Fi.

Boot ROM or SMC Version Information: After Update is complete:

Build version:  0106.03

ROM version:  MBP102.88Z.0106.B03.1211161133

The updates are available through Software Update for eligible Macs, as well as direct download from Apple’s support site using the heading links above.



Author

J. Glenn Künzler

Glenn is Managing Editor at MacTrast, and has been using a Mac since he bought his first MacBook Pro in 2006. Now he's up to his neck in Apple, and owns an old iBook, a 2012 iMac with an extra Thunderbolt display for good measure, a 4th-generation iPad, an iPad mini, 2 iPhones, and a Mac Mini that lives at the neighbor's house. He lives in a small town in Utah, enjoys bacon more than you can possibly imagine, and is severely addicted to pie.