Question Crossfire R9 390 w/ 390x?

cntdwntoextn

Prominent
Nov 5, 2018
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howdy.

i have a R9 390 and acquired a R9 390x. i've never used crossfire or sli before, so i'm more than likely doing something wrong or completely clueless in how this works, but i can't get it going.

both are running on a Z97X-Gaming 3 board w/ 1000w PSU. tested the "new" card and it works. newest adrenaline drivers.

in the radeon software crossfire is enabled, and then i realized under gaming i had to specifically turn it on for each game too...so i've tried Forza 4 with each mode: default, 1x1, afr friendly/compatible but the second card just does nothing...or at least according to the radeon performance tab.

eh?
 

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