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ASRock UHD 60Hz 4:4:4, anyone?
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Montoya View Drop Down
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    Posted: 28 Apr 2017 at 7:37am
Currently, it seems that 3840x2160@60Hz is only working for me, with HDMI firmware 1.36 and Intel driver 21.20.16.4627
4:4:4=OK on my system with Win10pro version 1703 build 15063.250.

Intel driver 4629 refuses 60Hz again.

Every other HDMI firmware from Asrock fails with my system at 3840x2160@60Hz with Intel driver 21.20.16.4627.
Fatal1ty Z170 Gaming-ITX/ac, Intel i5-6500, Kingston HyperX Fury 16GB, Samsung 950 Pro 512GB, Fractal Design Core 500, Win10 Pro X64
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Stefan75 View Drop Down
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Thanks hiluke

I wonder why they only list to update there.
The J3455-ITX, J4205-ITX etc have the same LSPCON.
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hiluke View Drop Down
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Points: 28 		Post Options Post Options   Thanks (0) Thanks(0)   Quote hiluke Quote  Post ReplyReply Direct Link To This Post Posted: 26 Apr 2017 at 7:28am
Originally posted by Stefan75 Stefan75 wrote:

There's now a 1.66 for the LSPCON. I could flash it without any issues.
https://downloadcenter.intel.com/download/26609/NUCs--HDMI-2-0-Intel-NUC-Kit-NUC6CAY-NUC7i3BN?product=70407


The 1.66 firmware is also now released on the ASRock support page.
http://www.asrock.com/mb/Intel/Fatal1ty%20Z170%20Gaming-ITXac/?cat=Download&os=All
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There's now a 1.66 for the LSPCON. I could flash it without any issues.
https://downloadcenter.intel.com/download/26609/NUCs--HDMI-2-0-Intel-NUC-Kit-NUC6CAY-NUC7i3BN?product=70407
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Stefan75 View Drop Down
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Originally posted by parsec parsec wrote:

Originally posted by Stefan75 Stefan75 wrote:

Is there anyone here that can do UHD 60Hz 4:4:4 using an ASRock mainboard?


You might want to be more specific about the system than just an "ASRock mainboard".

Specifically, a system using the Intel J3455 processor, since that is the source of the video output.

Or better, the Intel® HD Graphics 500, which is what you are using, and the Intel graphics driver for HD 500 graphics. The OS type and version are also important, since the Intel graphics driver can/will be different for each type and version.

Otherwise, my "ASRock mainboard" can display those files over HDMI fine. But that PC has zero in common with yours.
It's true, my question was quite unspecific... back then I was very desperate to find an answer. And I was angry that none of my components (HD500/LSPCON/TV) were telling me what they were doing. I'm an IT dev since 15 years, so I love debug output ;)

  • I would now say that any HD graphics newer than 500 can do DP 1.2 and UHD 60Hz 4:4:4 8bit
  • the LSPCON from MegaChips (onboard ASRock/Gigabyte etc) and ParadeTech (external Club3D) don't seem to interfere
  • if the HDMI cable is quite short the quality seems to be irrelevant
I've heard that some TVs convert all inputs to YCrCb 4:2:2 for internal processing... I'm afraid my Philips TV falls into that category.
What TV are you using?


Edited by Stefan75 - 27 Mar 2017 at 3:25pm
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Stefan75 View Drop Down
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Hi hiluke, I've given up on Philips and ordered a Samsung UE48JU7580.
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hiluke View Drop Down
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Originally posted by Stefan75 Stefan75 wrote:

- Philips 43PUS6101/12, 4:4:4 fail
- Samsung UE43KU6070, no picture at all
- Samsung UE48JU7580, enable 'HDMI UHD Color', HDMI input type to 'PC' = perfect 4:4:4


For the other Samsung TV, have you also enabled HDMI UHD Color and set the input type to PC?
Do you need to plug it into a particular HDMI input (maybe labelled DVI or PC)?

For the Philips TV, have you plugged into HDMI 3 or 4 and set UHD 4:4:4?
Originally posted by From the Philips Manual From the Philips Manual wrote:

The setting UHD 4:4:4/4:2:2 allows UHD YCbCr 4:4:4 / 4:2:2 signals. The setting UHD 4:2:0 allows UHD YCbCr 4:2:0 signals. To set the signal quality?? 1 - Press ?? select General settings and press ??(right) to enter the menu. 2 - Select HDMI Ultra HD > HDMI 3 & 4 and press OK. 3 - Select UHD 4:4:4/4:2:2, UHD 4:2:0 or UHD Off and press OK. 4 - Press ??(left) repeatedly if necessary, to close the menu. 

If it works for one TV, then I'd start with the settings in the other TV's that could be modified (not necessarily the PC settings).
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hiluke View Drop Down
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Originally posted by burnduck burnduck wrote:

I've tried everything I possibly can, I am currently hunting for firmware 1.36, I believe that is the original firmware that was shipped with the board and worked fine. 


I have tested the following firmware so far:

v1.24: capable of 4:4:4, but intermittent black screen makes it unusable. 
v1.36: still looking, please let me know if anyone has it! 
v1.48: black screen when attempting 4:4:4, best is 4:2:0, 4K@60Hz
v1.65 (from intel): same as 1.48, best is 4:2:0, 4K@60Hz

I don't know if ASRock ever released the 1.24 firmware on their website, as that is what came shipped with my motherboard (ASRock Z170 Fatal1ty Gaming ITX/ac), and 1.36 was available for download when I got my board.

The other versions released on the ASRock website for my board:
1.36 - I had audio dropping issues (HDMI audio output would disappear) and wake from sleep problems with this version.
1.48+ - I had wake from sleep issues here, needing a computer shut down and turn on again.
1.61 - This is what I am currently using and it is definitely the most stable. The only thing I do notice is sometimes after waking the monitor, my app windows are re-sized smaller into the top left corner. Not a huge deal, and I can live with this.

Intel has published:
1.65 - I have not tried this one. The package from Intel contains both the 1.61 and 1.65 versions and seems to be labelled for different boards. I am hesitant to move to this one.
Similarly, Gigabyte appeared to release 1.42 around the same time ASRock released 1.48+, so I am not sure if there are minor variations between vendors with the versions.

I am using a Samsung UA55KS8000WXXY. As suggested the other day, setting it to 4K@60Hz and "PC" picture mode I can get 4:4:4 chroma using the sample images above.

I have PM'ed you about the 1.36 firmware.


Edited by hiluke - 27 Mar 2017 at 7:17am
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Stefan75 View Drop Down
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Do you still have the 1.24 files?
I'd like to try them.

Here's 1.42 http://download.gigabyte.eu/FileList/Utility/mb_utility_megachips.zip


Edited by Stefan75 - 27 Mar 2017 at 5:02am
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I've tried everything I possibly can, I am currently hunting for firmware 1.36, I believe that is the original firmware that was shipped with the board and worked fine. 


I have tested the following firmware so far:

v1.24: capable of 4:4:4, but intermittent black screen makes it unusable. 
v1.36: still looking, please let me know if anyone has it! 
v1.48: black screen when attempting 4:4:4, best is 4:2:0, 4K@60Hz
v1.65 (from intel): same as 1.48, best is 4:2:0, 4K@60Hz
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