nvidia geforce gt 630

I am having a very strange problem when using my GT 630. Whenever I boot using Chimera 2.2.1 I can only boot while having VooDoo 0.2.1 kext installed, and using "-v -f" at startup. But this is a problem because this version of Voodoohda.kext causes crackling in audio. I used 2.7.3 previously but...