Quote Originally Posted by sonicsallen View Post
I am having exactly the same problem with my Ballistix 8500 too.
I'm using 0505 BIOS.
1200 on white slots = not stable. On blue slots = cannot boot up.
Tried with different vDimm, vNB (as high as 1.7v) and subtimings, still not stable.
My Teamgroup 6400 seem to do somewhat better with the same settings.
At least they have passed memtest 600% 1200 @2.2v.
It seems some kind of incompatibility

Let's hope ASUS fix it with a new BIOS release.