Mac mini EFI-Firmware-Update 1.2
This update improves compatibility with the latest Apple memory kits on Mac mini computers.
To complete the firmware update process, please follow the instructions in the updater application (/Applications/Utilities/Mac mini EFI Firmware Update.app). The updater will launch automatically when the installation is complete.
For detailed information about this update, please visit this website: About EFI firmware updates.
For additional information, please visit: OS X Mountain Lion: Firmware updates may keep reappearing in the Mac App Store.