Quote Originally Posted by cadaveca View Post
I have this, Sandforce-based drives have issues with some BIOSes. Same issue was present on Z77 for me, but was fixed with BIOS updates. NOt all boards have this problem for me, only two out of 7 so far.

Not just an "ASUS issue".

Some of these Sandforce controllers are non compliant with SATA spec for startup according to Intel. Not much we can do about that part, it makes their detection flaky.