Note the following (from HDMI.ORG's HDMI 2.0 FAQ):
What are the 4K formats supported by HDMI 2.0?
Bottom line, with an HDMI 2.0 connection (including 2.0a/b) -- and regardless of who's solution you are talking about -- you cannot get 10-Bit 4:4:4 (there simply isn't enough bandwidth on the cable).
While I am not saying that you haven't identified a legitimate issue, 95% of all reported issues have turned out to be cable/dongle/adapter issues. Right or wrong, this is why the automatic responses from ICS are going to be check/replace the cable and test without the dongle/adapter...
Thank you for boring orange table,
My original question is not that why NUC can’t displays 10bit 4K 60fps 4:4:4 color depth under HDMI 2.0 circumstances.
I tried certified HDMI 2.0 cable, even tried HDMI 2.1(seller insist 48Gbps bandwidth) cable. After serial failure, I installed Windows 10 again under pure HDMI 2.0 circumstances (3ft length).
But displays only 30hz 10bit or 60hz 8bit.
NUC should display 4K 30fps 10bit 4:4:4 (11.13Gbps) at least or 4K 60fps 10bit 4:2:2(17.82Gbs) at most if driver works properly under pure HDMI 2.0 (18Gbps)
I wish new working driver is under developing so I see fine displaying of NUC output.
HDMI specifications are general information. No more orange table and shring your smart experience like as using thunderbolt to HDMI active adoptor or USB-C to HDMI adoptor.
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