Apple today released a pair of firmware updates, one addressing memory compatibility in Mac minis and another addressing optical noises on startup and wake from sleep in the iMac and Mac mini.
- Mac mini EFI Firmware Update 1.2 improves compatibility with the latest memory kits.
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.
- SuperDrive Firmware Update 3.0 eliminates noise made by the SuperDrive during startup and wake.
This update will eliminate the noise made by the optical disk drive during system startup and wake from sleep on your Mac. This update works with the following EFI updates:
- iMac EFI Firmware Update 1.4
- Mac mini EFI Firmware Update 1.2
To complete the firmware update process, please follow the instructions in the updater application (/Applications/Utilities/SuperDrive Update.app).
Apple's new Wake on Demand feature in OS X Snow Leopard requires machines to wake periodically to register with the Bonjour Sleep Proxy, and this update may be intended to address concerns over noises made by iMacs and Mac minis while using this feature.