Quote Originally Posted by Undermoose View Post
I just upgraded my old Asus Rampage Extreme (x48) mobo with an ASRock Extreme7 Gen3, i7-2600k CPU, and 4 x 4gb Mushkin Redline DDR3-1600.

It's running great, memory performance is 2-4 times the old system, CPU a notch up over qx9770, but BLAM my CrossfireX performance is crippled! I went from a Windows 7 assessment of 7.4 to 6.0! I play games at 1920 x 1200 and they're feeling laggy.

I figure it's a learning curve, and needed tweak I'll eventually find.. anyone have some thoughts?
Looks like I'm not getting CrossfireX performance because it's not working. It's enabled, but I tested performance with a single card and then CrossfireX and it's the same.