Firmware update for Retina MacBook Pro adds PowerNap
Apple has issued a firmware update for its latest Retina MacBook Pro systems that adds support for the new PowerNap feature in OS X Lion.
PowerNap allows the system to save energy by maintaining Sleep mode but still allow the system network access for updates and synchronization, as well as allowing backups to happen in the background. This feature is only available on the 2011-2012 MacBook Air systems and in the MacBook Pro with Retina Display; however, these systems did require a firmware update to use the new feature.
Apple issued the required firmware updates for the MacBook Air systems … Read more