Sorry, it is AHCI fix... haha silly typo...

I guess it is all the burning process issue. I was in this forum asking for help on the same problem with yours and u can see, there is no one here replied any of my post... I know how u feel (Frustrated)...

These error burnt DVD will complete the installation (which is weird) successfully and it is a time wasted to derive on what is the main culprit that is giving u the problem.

Try burning another copy and reinstall again. Good luck.

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IDeneb V1.6 OSX 10.5.8
MSI G33m-FL
C2D E7400
Nvidia 9800GT 512MB
4GB DDR800
(Poor man's system)