View this article at: http://www.macnn.com/articles/13/05/09/apple.issues.minor.patch/
Thursday, May 09, 2013 4:36pm
Thunderbolt Firmware Update 1.2 fixes Target Disk Mode issue
Apple has posted a new support download for Macs, Thunderbolt Firmware Update 1.2. The patch appears to deal solely with stability problems related to Target Disk Mode. The file is 1.22MB, and requires OS X 10.8.3 or later.