Apple Releases Thunderbolt Software Update 1.2.1
Apple has released an update to all Macs with Thunderbolt ports, adding support for the new Thunderbolt to Gigabit Ethernet Adapter. The update weighs in at 520KB and requires OS X Lion 10.7.4. It can be downloaded from Apple's software update page.
About Thunderbolt Software Update 1.2.1The update is a replacement for Thunderbolt Software Update 1.2, which was released last week but was pulled by Apple after users reported boot failures upon installing the update. Apple has posted a support article addressing the issue with instructions on how to resolve the boot problems.
Adds support for the Apple Thunderbolt to Gigabit Ethernet Adapter.