This update only applies to the new June 2009 Macbook Pro's with a 500GB 7200RPM HDD. It fixes the supposed glitch between the HD and Apple's own HD G-Force detectors, which would cause the drive to randomly freeze up as though it was being dropped.
Quote -
MacBook Pro Hard Drive Firmware Update 2.0 reduces certain infrequent noises made by 7200-rpm drives.
These drives shipped with the June 2009 MacBook Pro.
To complete the firmware update process, please follow the instructions in the updater application (/Applications/Utilities/Hard Drive Update.app).
The updater will launch automatically when the installation is complete.
New Hard Drive firmware will be: 0007APM2
These drives shipped with the June 2009 MacBook Pro.
To complete the firmware update process, please follow the instructions in the updater application (/Applications/Utilities/Hard Drive Update.app).
The updater will launch automatically when the installation is complete.
New Hard Drive firmware will be: 0007APM2
I can personally say this fixed mine! No more random beeping and freeze ups!
Update can be found via Software Update (on applicable systems) or
http://support.apple.com/downloads/Hard_Dr...ware_Update_2_0