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7680x4320 detailed 8k resolution
11-12-2020, 10:28 PM
Post: #1
7680x4320 detailed 8k resolution
CRU is not allowing me to set an 8k resolution in the "Detailed Resolution" form on my W1050 computer (See attached picture); I believe the red fields in the form are disabling the "OK" button. I am using 8k hdmi to hdmi on a Samsung TV, model QN65Q850TAFXZA.

Here are the 3 Computers I am using to debug:
  • H1050 ~ home computer
  • W1050 ~ work computer
  • S1030 ~ server
Basically these are Intel custom builds with nVidia GTX graphics cards with the corresponding chipsets of GeForce GTX 1050 or 1030; H is home, W is work, and S is server. ** Suprised me that the nVidia GTX 1030 was able to do 8k **

The H1050 and S1030 computers both work at 8k on the Samsung TV; they see the 7680x4320 resolution, set the resolution, and display at both 30Hz and 25Hz; I am using an 8k hdmi cable rated for 48Gbps.

Problem is that the Samsung 8k TV is for my work computer, and does not show the 7680x4320 resolution; that is where CRU came into the picture. I have used my other computers to prove that the Samsung TV and the HDMI cable are working as expected.

Additional Info:
nVidia Control Panel also does not allow me to create a custom resolution on the work computer; the test button just says the 8k resolution is not supported.

I was able to get the timing information from both my H1050 and my S1030 computers using the nVidia Control Panel, and they match as expected. The values in CRU and nVidia Control Panel also match.

I have also replaced the GTX 1050 with a GTX 1650 and updated the drivers, with the same results.

Thanks in advance...


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7680x4320 detailed 8k resolution - LanceMc - 11-12-2020 10:28 PM

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