Digi Core Audio Manager Download Lion King
Digi Core Audio Manager Download Lion Express

I don't have the same issue as far as the Mac freezing and Core Audio is running but have tried all of the steps outlined for my mid 2011 MacBook Air and still no I/O devices (internal or even if I plug in headphones. So, in summary: My late 2013 MacBook Air has zero issues from the first Beta onwards (at least with audio). Windows Audio Drivers Guide v7.3 0 MB. Standalone Windows Audio Drivers v8.0.3 (does not support original Mbox) 0 MB Windows Audio Drivers Guide v8.0 (PDF) 0 MB Standalone Windows Audio Drivers v7.4 (does not support Eleven Rack) 0 MB 0 MB. Download digidesign audio drivers setup.exe for free. System Utilities downloads - Digidesign Audio Drivers by Digidesign, A Division of Avid Technology, Inc. And many more programs are available for instant and free download.

The free and lightweight Mac OS X installer which provides the driver needed for your Digi 002 and 003 Firewire audio interfaces

Digi 002 and 003 Driver is the the free software package that installs the driver for various models of the Digi Firewire interface: 003, 003_Rack, 003_Rack_Plus, Digi_002 and Digi_002_Rack.