Assasins Creed. PC, does crossfire work 4870X2 ?

[ViRuS2k]

Looking at rivatuner it only uses about 60% GPU power ??? @1920x1080 8xaa

whats the best method of AA to use
and also in the game settings one of the settings is blanked out i cant change the setting thats next to the resolution settings in game

multifiltering or some setting is blanked out i have a choice of 1/2 or 3 but its greyed out on 1 of 3 lol

 

[CREATIVE!11]

Looking at rivatuner it only uses about 60% GPU power ??? @1920x1080 8xaa

whats the best method of AA to use
and also in the game settings one of the settings is blanked out i cant change the setting thats next to the resolution settings in game

multifiltering or some setting is blanked out i have a choice of 1/2 or 3 but its greyed out on 1 of 3 lol

does it matter? im sure 1 of those runs Creed at crazy fps

 

[AWPC]

Looking at rivatuner it only uses about 60% GPU power ??? @1920x1080 8xaa

whats the best method of AA to use
and also in the game settings one of the settings is blanked out i cant change the setting thats next to the resolution settings in game

multifiltering or some setting is blanked out i have a choice of 1/2 or 3 but its greyed out on 1 of 3 lol

http://www.tweakguides.com/AC_8.html

Edit this ini file for higher AA.