MacBook EFI Firmware Update 1.1

System Requirements:

  • Mac OS X 10.4.10 or later

  • MacBook (Late 2006)

  • MacBook (Mid 2007)

File Size: 1.7MB

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This update 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

You can confirm the version of the BootROM installed on your computer using System Profiler.

To complete the firmware update process, please follow the instructions in the updater application (/Applications/Utilities/MacBook EFI Firmware Update.app). The updater will launch automatically when the Installer closes.

For more information about firmware updates for Intel-based Macs, please visit: About firmware updates for Intel-based Macs

Supported Languages:  Dansk, Deutsch, English, Español, Français, Italiano, Nederlands, Norsk Bokmål, Polski, Português, Português (Brasil), Pусский, Suomi, Svensk, 日本語, 简体中文, 繁體中文, 한국어
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