How to setup Crossfire (2 r9 390)

[NotHimAgain]

Ok so there is like no guide on the internet on how to setup two r9 390 in crossfire. Do i just plug them and its done? Do I need to enable something somewhere? Pls help a poor lost child. Ive been searching for days, ressources are low and so is morale. 🙁 Btw my motherboard is a z97 pc mate from msi

 

[ak47jar3d]

Plug them in and enable them in CC/Crisom software.

 

[Geekwad]

From the Crimson menu (after the card is installed) go to the 'Additional Setting' button:

And then navigate to the Gaming > AMD Crossfire section (the crossfire option will only appear after the card is installed):