Quote Originally Posted by Khalmyr View Post
Can anyone help here?

I can't seem to run my mem above 800mhz no matter what I try.

It's 2Gb Corsair XMS2. I can run DDR800 4-4-4-8 1.9v but can't run DDR850 even with 5-5-5-15 2.2v

Tried a lot of stuff but nohing helped.
Same here! It will boot, but is not stable (lots of error in Prime 95 and real apps). There must be some trick to it, because the difference between 800 and 840 MHz is so small!