Distortion and lag problems on OpenCore Legac (ASUS P7P55D, GTX 680)

I've been setting up a classic Hackintosh machine on a ASUS P7P55D and GTX 680. OpenCore works in Legacy Mode and manages to boot macOS but only by using agdpmod=vit9696, which is weird because macOS supports the 680 just fine, but without using this arg, it just stucks on a black screen. Second problem is that everything is slow and laggy, the audio is distorted. I couldn't find anything on how to fix it.

USB is already mapped, so it can't be that. I then tried to use Clover and moved all my kexts, ahci patches etc over and now everything works just fine, it boots without any arguments, it's fast and no distortions at all.

Is it possible to fix this on OpenCore?

submitted by /u/Gravarty
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