Apple released several firmware updates for their computers. Among the updates are present as follows:
SuperDrive Firmware Update 3.0For reducing the noise level that is produced in the optical disc drive Mac computers on startup or exit from sleep mode.
the EFI Firmware Update 1.4Aimed at reducing the noise that is produced by an optical drive in the MacBook's startup or exit from the sleep mode.
AirPort Client Update 2009-002, which is recommended for all Macintosh computers running on these operating systems Mac OS X Snow Leopard version 10.6.2. it decides problems with the inclusion / AirPort off after OS update to version Snow Leopard, to the breaking of the network connection when you exit the sleep mode and on demand it is impossible to create a network between two computers, as well as problems with the organization of public access to the Internet on your MacBook, MacBook Pro, Mac mini.
Updates MacBook Pro EFI 1.8 firmwareAimed at reducing the noise that is produced by an optical drive in the MacBook Pro notebooks at startup or exit from the sleep mode.