millibyte (Maha Guru) posted this over at https://forums.guru3d.com/threads/crossfire-profile-for-dcs.406062/
Drop the 15.12 dx10-12 driver dlls in your DCSworld/bin directory
https://mega.nz/#F!8tlAhDyQ!2AkAQukJKAYuIWEzDTGtFA!l4FjhA7R
Make sure crossfire is enabled for applications without profiles. The last few drivers have removed this option from CCC, not sure about 16.2 as I haven’t installed them yet. You can use RadeonMod to enable this:
http://forums.guru3d.com/showthread.php?t=403389
Go to UMD tab, near the bottom under Miscellaneous, set
Crossfire For Non Profile Apps Default 1
Crossfire For Non Profile Apps 1
Finally, make sure to press Alt+Enter to enable true full screen once in-game. Use MSI afterburner or RadeonPro to make sure that both GPU’s are being used. Scaling is actually pretty good as long as you aren’t CPU bound.
A couple more posts that might be useful:
http://forums.eagle.ru/showpost.php?p=2685487&postcount=36
http://forums.eagle.ru/showpost.php?p=2495081&postcount=7
http://forums.eagle.ru/showpost.php?p=2685583&postcount=46
Nvidia TWYMTBP ™ The way you’re meant to be played
AMD DIYFS (tm pending) Do it your f****** self
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