Intel-based Mac firmware updates released for MacBook Pro, MacBook, Mac Pro, iMac, Xserve

Apple today unleashed a slew of firmware updates for Intel-based Macs, most of which improve Boot Camp functionality:

• MacBook Pro EFI Firmware 1.4 for MacBook Pro (Core 2 Duo) models: "improves the performance and reliability of Intel Core 2 Duo processors and fixes issues with Boot Camp for MacBook Pro computers. After the firmware is successfully applied to your computer, your BootROM Version will be one of the following: MBP21.00A5.B07, MBP22.00A5.B07, MBP31.0070.B03
• MacBook EFI Firmware Update 1.1 for all MacBook models: "improves the performance and reliability of Intel Core 2 Duo processors and fixes issues with Boot Camp for MacBook computers. After the firmware is successfully applied to your computer, your BootROM Version will be: MB21.00A5.B07"
• iMac EFI Firmware Update 1.2 for Intel-based iMacs (Late 2006): "improves the performance and reliability of Intel Core 2 Duo processors and fixes issues with Boot Camp for iMac computers. After the firmware is successfully applied to your computer, your BootROM Version will be one of the following: IM51.0090.B09, IM52.0090.B09, IM61.0093.B07"
• Mac Pro EFI Firmware 1.2 for Mac Pro desktop: "fixes several fan behavior and Boot Camp issues on Mac Pro computers. After the firmware is successfully applied to your computer, your BootROM Version will be either: MP11.005C.B08 or MP21.007F.B06"
• Xserve EFI Firmware 1.0 for Xserve (Late 2006): "improves the performance and reliability of Dual-Core Intel Xeon processors. After the firmware is successfully applied to your computer, your BootROM Version will be: XS11.0080.B01"

Apple also released Firmware Restoration CD 1.4 restore the firmware of an Intel-based Mac. You can only use this to restore the firmware after an interrupted or unsuccessful update. Apple says: "If your computer is already in this state, you'll need to download the software and create the CD on another Macintosh computer, or you can take your computer to an Apple Store or Apple Authorized Service Provider to restore your firmware."

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