**Official** Asrock Z68 Gen3 Extreme7 & Extreme4 thread

[Undermoose]

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.

So I removed all the AMD drivers, pulled one card out, installed AMD Catalyst drivers again, and on a single EAH 6970 my system is flying! Never seen it faster, 7.9 on everything but CPU (i7-2600K at 7.6) and Disk (3gb sata at 5.9) in Windows experience. 7.9 on memory too, I'm doing 19,000 MB/s on AIDA memory read/write benchmarks without tweaking my system at all.

So why is CrossfireX so broken on this Extreme7 Gen3 motherboard? 6.0 on Windows experience and laggy gaming, time to stick to one GPU perhaps. I'm not sure where to look.