Well, that didn't take long. Exactly a week ago, we spotted several reports that said Apple's newest MacBook Pros were running with Serial ATA at half speed—150MB/s, just like first-gen SATA.
Today, we see Apple has issued a firmware update that addresses the problem. There's a twist, though. Here's what the official description reads:
MacBook Pro EFI Firmware Update 1.7 addresses an issue reported by a small number of customers using drives based on the SATA 3Gbps specification with the June 2009 MacBook Pro. While this update allows drives to use transfer rates greater than 1.5Gbps, Apple has not qualified or offered these drives for Mac notebooks and their use is unsupported.
Interesting. In any case, affected users can download the update here. Apple says you should follow instructions in the updater application (MacBook Pro EFI Firmware Update.app), which will launch automatically once the installer has done its thing.
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