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About McDonnellTech

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    InsanelyMac Protégé
  1. BCM5722D

  2. Lenovo Thinkpad x220 - 10.9.5 pack and info

    Here's an alternate source of the x220bios139.zip from the guide that includes the pmpatched version of the modified BIOS: http://www.mediafire.com/download/q1bm7d0for8mu3e/x220bios139.zip
  3. Lenovo Thinkpad x220 - 10.9.5 pack and info

    I tried to use what I discovered in this thread and on a few others sites to put together a concise guide to installing OS X 10.10 Yosemite on the ThinkPad x220: http://x220.mcdonnelltech.com/ Links to all of the necessary kexts and utilities are in the guide. Hope this helps. There's a feedback form at the bottom of the guide if you find anything that isn't accurate.