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HDMI EDID issues with BeoVision 10

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kimhav
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kimhav posted on Mon, Jan 13 2014 9:26 PM

I've updated my old WD HD Live unit to an Intel NUC i3 Haswell unit which works flawless together with BeoVision 10 except from one thing; hdmi link breaks when switching between fullscreen (XBMC) and Windows (8.1) desktop.

The reason for this, after googling around a bit, is that when Windows switches screen resolution or switches between full screen and Windows desktop it seems that the HDMI connectivity breaks and hence the black screen which often shows up on most systems. What is lost here is actually the initial HDMI EDID handshake which is performed during a cold start of a system and as well when awaking the system from sleep mode. GPU vendors such as nVidia and ATI seems to support EDID_OVERRIDE which I so far haven't figured out whether Intel support or not; but within their own forum I get the feeling that they don't and after 45 minutes chat session with them today it seemed as it was the first time that, at least the agent which chatted with heard about this issues. The agent told me that the driver might support EDID OVERRIDE and I could try...  Long story short is that I have an an open ticket with Intel's 2nd line support so let see what they come back with as I couldn't get a clear answer from the 1st line helpdesk agent that I chatted with.

The idea with the EDID OVERRIDE is to ensure that the system, in this case the Intel NUC, is forced to keep the same resolution and frame rate all the time which seems to be the solution to ensure that the EDID information doesn't get invalid and loosing the HDMI link to the BeoVision.

There are other solutions such as using EDID emulators, which Gefen for example has and various version is available at eBay. Could work but want to avoid and it feel a bit odd to have to buy another piece of hardware to solve something that can be solved either with a Windows regedit hack or BeoVision firmware update which most likely won't happen.

So to the real questions; what is your experience with the EDID issue; are there any ways of handling this directly on the BeoVision 10? Any other suggestions?

 

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DoubleU
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double post

DoubleU
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w5bno123:

Why don't you run XBMC on a jail broken Apple TV

That's what I do now, but it lacks 1080p. Not a real problem, 720p is just fine, but I just want something different to play with.

 

kimhav
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kimhav replied on Thu, Jan 23 2014 8:55 PM

DoubleU:
Thanks for sharing that. So for now it's best to let XBMC run on Windows. Right?

Saddly Yes, As I clearly wanted to make use of OpenELEC myself as well. Having said that; once there are proper drivers for the Intel HD 4400 and when Netflix has gone from using SilverLight to HTML5 (which Netflix talks about here); I'll switch to OpenELEC.

The specs that I went with was the i3 Haswell version as mentioned and with 8GB memory and a Kingston 120 mSATA SSD (just avoid the Intel mSATA 525 as it have heating issues; anything over 40 celcius and it stops working...). Know from own experience as I returned the previous version of the Intel NUC i3 which came with the mSATA 525 and the whole system has heating issues in general. Also, if you don't plan to use the wifi; don't install any card just to avoid an additional heating source as several postings that I stumble over clearly indicated that wifi cards tends to be a heating source as well.

To add a bit to the discussion is that a friend of mine has the exact same specs; Intel NUC i3 Haswell, 8GB RAM + Kingston mSATA drive and runs with Windows 8.1 without any issues at all. Then again, he is not using a BeoVision; I'll check with him what kind of set his using.

 

kimhav
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kimhav replied on Thu, Jan 23 2014 8:59 PM

w5bno123:
We have mainly used them with STB's. My installers use them mainly and on third party screen/products. It is used with a BeoSystem 4 to an older screen say a BeoVision 4 that may not recognise EDID, this basically tricks the screen into 1080p. I can found out more from them if necessary, I just know it helps them out a lot!

Yes please! As it didn't solve my issue that I have; did improve but not fully. I've opened a new thread for the specific on the Gefen HDMI Detective Plus just to not get it too mixed topix.

 

kimhav
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kimhav replied on Thu, Jan 23 2014 9:03 PM

DoubleU:
That's what I do now, but it lacks 1080p. Not a real problem, 720p is just fine, but I just want something different to play with.

Correct and the lack of support for 1080p is an issue for me also as I don't have any other Apple products it doesn't really appeal to get into that ecosystem.

DoubleU
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Apologies for drifting off topic here, but I really appreciate your useful info. Thanks!

DoubleU
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kimhav:

OpenELEC was also by primary choice but due to that the currenty graphics drivers didn't or stil doesn't support the Intel HD Graphics 4400 (I couldn't get the system to play the videos proper and spent tweaking the settings) and 2nd as my spouse realized that this little mini PC was entering the house there was talk about Netflix which doesn't work yet going Linux (yes, there is two old plugins but neither works...). So hence there reason why I went for Windows 8.1 which I would totally avoud just for cause of it. But, for now, it does the work and my spouse is happy.

To follow up on this. I installed OpenELEC, on a Kingston 30Gb SSD, 4Gb RAM, on my Haswell NUC yesterday, and have no issues at all. Left everything in default and checked the system info while running a huge 3D movie. CPU as well as RAM are running under 10%. 

 

kimhav
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kimhav replied on Sun, Jan 26 2014 7:39 PM

Ok, guess that they've then fixed the HD Graphics 4400 issues then. Give it a spinn with various video and audio formats; but if what you feed it works out that really great then. Then it would be proper working Netflix that I need to wait for then as moving to OpenELEC now isn't an option for me. Good things is that you will not have any issues with hdmi drop outs at all.

DoubleU
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Maybe a dual boot is an option as a temporarily (or permanent) solution, until Netflix moves to OpenELEC.

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