For those like me with sli and only 1 core working in Crysis 2 Demo.......EVGA have released their latest sli patch with a profile for Cry2
Note: its designed for use with latest WHQL 266.58 drivers
http://www.evga.com/articles/00463/You have to be registered to dl it.
Havnt tried it yet but hope it works!
Cos.
EDIT: It does work but you have to run it as admin for it to apply.....and FFS HEAPS better FPS and gameplay lol!
Running all 4 cores at 80% usage sweeeet