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Solved strange issue with crosfire
#1
i have a alienware m17x r2 with 2 5870 in crossfire and when i start hwinfo it reads both gpu but after 5-10 seconds the second gpu data is gone but if i game or activate the second gpu the data is back again until i stop gaming then the data is gone again
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#2
That's because of the AMD ULPS feature - when the secondary GPU is not used, it's switched off by the system to preserve power.
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#3
it didnt show this behaver before windows 10 and gpu-z can read the info of the second gpu but hwinfo only shows it when its in use
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#4
You probably didn't have ULPS activated before.
This is normal behavior and HWiNFO doesn't force the secondary GPU to be online to preserve power. If GPU-Z reports values while the GPU is sleeping, then it's either forcing it to wake up each cycle, or reports fake values.
You can disable ULPS if you don't like it.
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#5
yes that helped its working now.
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