Comment by nwh

It's mentioned on the page 0x0 linked to — http://en.wikipedia.org/wiki/Apple%E2%80%93Intel_architectur...

> A Mac OS X system which is missing this extension, or a system where the extension has determined it's not running on Apple hardware, will be missing this decryption capability, and as a result will not be able to run the Apple-restricted binaries Dock, Finder, loginwindow, SystemUIServer, mds, ATSServer, backupd, fontd, translate, or translated.