Originally Posted by Dralger
So I was in the same boat as others here and the registry tweak was not working for me. Like another poster earlier, I too have an AsRock Z77 motherboard.
I found this little work-around and haven't seen anyone else mention it, so I'll post it here in the hopes that it helps someone with the same problem I had. Basically there is an option under your ASmedia Sata Controller properties that let's you straight up disable this functionality. Just go in there and un-check the box:
Thank you. I tried the OP but it didn't work for me, maybe because the Extreme 4 has the two Sata 3 ports that I'm using listed as A0 and A1? IDK, either way thanks for the post.