* Do not continue through any of the additional steps in the UniBeast guide * Boot from the installation USB (use a USB 2.0 port), hit the space bar to skip Bluetooth keyboard setup, and continue with step 4 in the UniBeast guide to do a standard OS X installation to your GUID-partitioned drive (no boot flags are necessary).Download the Clover EFI bootloader installer and place a copy of the installer on your installation USB.Download the ThinkPad x220 OS X Yosemite Utility and Kext Pack and place a copy on your installation USB.Create an installation USB with laptop support using UniBeast 5.2.0 by following steps 1 and 2 in the guide here.– Security > Virtualization > Intel VT-d Feature > Disabled – Security > Memory protection > Execution Prevention > Enabled
– Config > Serial ATA (SATA) > SATA Controller Mode Option > AHCI Press F1 at startup to set the BIOS settings as follows:.Various other Mini PCIe and USB Wi-Fi adapters compatible with macOS are listed here.
Note that it will not be possible to boot from our standard USB installer with this card installed only install this card after the macOS installation is complete and the necessary modifications have been made. Another guide that might be helpful is available here.