Part B ) Once OS X Mountain Lion 10.8.0 is installed:
1.) Download and install the latest Mountain Lion MultiBeast from tonymacx86.com
2.) Run MultiBeast. Select and install non DSDT drivers for ALC 892. Reboot.
Congratulations! Now your hackintosh has audio.
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3.) Mountain Lion 10.8.2 Update: Upgrade your hackintosh to the latest Mountain Lion 10.8.2 from the app store. The 10.8.2 update will break your hackintosh audiobut you can easily fix that simply by repeating step 2.