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WattMan cause system failure when crossfire is on

Question asked by torpisctra on Sep 29, 2019
Latest reply on Oct 9, 2019 by torpisctra

I for all. I use Windows 10 1903 ad Adrenaline Driver version 19.9.2. When Crossfire is on and I start same games (I using Knights of the Old Republic Battlefront II) or benchmark (3DMark) I obtain a system freezing and reset is necessary. After restart "Default Radeon WattMan settings has been restored due to unexpected system failure", even if I didn't make any changes. If Crossfire is off, then all work fine. This problem does not occur in Windows 7.

My system configuration:

mainboard: Asrock Extreme 3

processor: AMD Phenom II x4 955

installed RAM: 16GB DDR3

graphics adapter: 2 x Sapphire Radeon RX 570 Nitro+

power: Tacens Anima APII750 (750W) with splitter from 6PIN in to 2x8 (6+2) out PIN