Thunderbolt Firmware Update fixes MacBook Pro, cable issues
Apple on Tuesday released Thunderbolt Firmware Update v1.1, which patches a problem that caused some MacBook Pros and Thunderbolt cables to experience malfunctions when connecting to a bus-powered peripheral.
The update applies to MacBook Pros built in mid-2012 and "some" Thunderbolt cables, however it is not clear if all cables are affected, or just those made by Apple.
From the release notes:
The update applies to MacBook Pros built in mid-2012 and "some" Thunderbolt cables, however it is not clear if all cables are affected, or just those made by Apple.
From the release notes:
Thunderbolt Firmware Update v.1.1 comes in at 442KB and requires OS X Lion 10.7.4 or later. It can be downloaded through Software Update or Apple's dedicated support downloads webpage.About Thunderbolt Firmware Update v1.1
This update addresses an issue with MacBook Pro (mid 2012) and some Thunderbolt cables that may prevent bus-powered Thunderbolt devices from functioning properly.
Comments
That sounds totally wrong, by the way.
Perhaps this video illustrates the situation many users are facing: