[REPORT#9695]CAC-1070 and 1170 HDMI 2.0 adapter feedback topic.

Post Content:

I am having an issue where the display will output 4:4:4 chroma 4k@60hz with AMD drivers uninstalled but with the drivers installed it will only output 4:2:2 4k@60hz. In both cases the display is at 8bpc and no option to choose anything else.

I have contacted AMD support and started a topic where I posted pictures showing this behavior, this thread can be seen here:

They suggested I contact Club3D for a firmware update for my CAC-1170. I have contacted Club3D through their support email page regarding this issue.

Hardware and software specs are as follows:
GPU: HD 7850 with output through miniDP port to Club3D CAC-1170 to HDMI cable to TV
Display drivers: 16.7.2 July19
OS: Windows 10 Pro 64bit
Display: Samsung UN55JS7000 connected through HDMI 1 with UHD Color setting enabled for this port and input set to “PC” mode.

Please check out the AMD support thread linked above to see the pictures and get a better idea of what is happening.

Thank you.



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