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    3d vision NP8250/ P157sm

    Discussion in 'Sager and Clevo' started by PushT, Oct 27, 2013.

  1. PushT

    PushT Notebook Consultant

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    Hello!
    This is one of those issues that irritate the h... out of me just because nobody seems to mention them.
    I have bought a Panasonic TX-P50GT60 plasma 3DTV and I am getting my laptops ready for at least 3D Blu Ray....... I hope. The tv set comes with active 3d and glasses.
    As far as I can tell optimus f.... up most of the output benefits you get with a gtx 780m card but I should be able to get 3D 1080p through the HDMI, which as far as I can tell connects directly to the graphics card. Please correct me if I am wrong. Problem is I cant seem to find any info on this.
    Moving on, I specifically installed the 3Dvision driver from the NVidia folder, and now I can see a 3dvision driver with the 3d stereoscopic feature in "programs and features" in windows. As you can see from my signature I have Windows 8.1, so there is no menu for start -> all programs -> nVidia Coorporation -> enable 3dvision , so even though that is what you are supposed to do in earlier windows versions, this doesn't help me.
    Also, I am guessing all the extra features of 3d are supposed to be associative ? Because when not connected to the TV ( As I am getting it delivered tomorrow) , NOTHING shows up in NVidia control panel concerning 3d vision, stereoscopic 3d or anything new at all actually.
    I have powerdvd 13 ultra installed and ready to go, and all I really want is a good 3d movie experience, but please don't tell me I have to buy a 3d vision kit from Nvidia or a stupid blu ray player when I have a beast of a 780m on my system. I do not have a blu ray player and I dont want a blu ray player.
    My guess is that when I connect the hdtv through hdmi 1.4 the system will recognize the connection and associative menus will appear either directly or through Nvidia Control Panel. Am I right in this assumption or am I wrong and need schooling on this ? In that case, please educate me !?
     
  2. Bryanu

    Bryanu Notebook Deity

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    I somewhat tried to toy with this and could be wrong so hopefully someone else can chime in with better news.

    I have same laptop. My understanding is that with Optimus, Nvidia 3D vision will simply not work unless the laptop has a output that maps directly to the dGPU, which in this one none do. It doesn't work on Optimus in general though because all graphics are funneled through the iGPU.

    I have a 144Hz BenQ 3d monitor and have same situation. I am even using DisplayPort. Thankfully the iGPU supports the high bandwidth and thus my monitor can run at native 144Hz but oddly I don't get an option for 120Hz neither, just 100Hz or 144Hz.

    From what I have found the best we might be able to do is use Intel's version of 3d. More info on that: Graphics — Intel® InTru™ 3D Technology FAQ

    I have not toyed with that one as TBH I didn't care much for the 3D and it's just a hype thing. 3D sounds cool and all but has been around for a very long time and goes through these phases where it comes and goes. I have a 52" 3D TV and have never used the 3D feature lol.
     
  3. PushT

    PushT Notebook Consultant

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    Thanks for the reply ! I really do not care so much for 3d gaming, but 3D movies is something I would like to try on the Panasonic. But i mean , the IGPU is passthrough, and the 3dtv has its own 3d engine, so what is the problem with the connection not being directly from the graphics card ? It is a software - problem, then ? Ahh, this is depressing......
    It would be great if some retailer could confirm or otherwise elaborate on the topic. I agree that 3d viewing is not what it is hyped up to be at all, but 3d movies would be nice actually.
    On second thought , I can't believe this to be true ....... that you cannot get 3d material from this system to the tv without any more fuss??
    You can play movies directly on the tv from a usb drive!! How can it not be possible to run it from the system ? Retailers announce these laptops as 3d gaming laptops hlf of the time, so what is the deal here ?
     
  4. PushT

    PushT Notebook Consultant

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    An update to my own post here. It seems the iGPU will allow you automatically to play back 1080p 3d through a third - party software player. Ok. If that works without problems i will not complain I guess, unless the performance suffers from it of course. Which it could.
    I tested my system on Nvidia's pages - automatic test for compatibility with 3d vision. My system passed. Yeah, right. Believe it when I see it. So that leaves 3dtv play maybe. That would be the piece of software I am nagging about i guess. But Nvidia's pages state that you need the 3d vision ir - emitter dongle...... Back to square one...
    Please retailers, do you have any info on this ? A pm ?
     
  5. PushT

    PushT Notebook Consultant

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    This is what I have found out:
    If you install the 3d vision/stereoscopic driver manually from the Nvidia folder on your main drive, you will have the driver available on the system. As I understand it you will then have to connect your optimus laptop to the the 3d hdtv through hdmi 1.4. When your display is recognized in windows you will still not get associative menus in Nvidia control panel. From what I gather so far oy will have to then change your primary display to the TV, and also shut off/ cut off the laptop display. After doing this you should see Stereoscopic settings in Nvidia control panel.
    From there on I am not sure what will / will not work, but people are reporting smooth blu ray - playback. When It comes to gaming, I can't say for sure, all I know is that people are reporting 1080p at low framerates or hz ..... ??
    What a mess..
     
  6. ajnindlo

    ajnindlo Notebook Deity

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    When will you be able to try this for yourself? It does sound convoluted. And I think I heard the Intel gpu can't do 120hz, so at 60 divided by two, would give the low frame rates.
     
  7. PushT

    PushT Notebook Consultant

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    I should be able to try this out tomorrow, or the day after. I will come back with update then. Obviously I will try to move heaven and earth to get something going :) Hehe.....
    Incredible that Nvidia and others do not have a clear policy on the way optimus works + of course the fact that they manage to combine so much brilliant hardware into incoherence...
     
  8. Bryanu

    Bryanu Notebook Deity

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    I don't know how true this is unless it's just 120Hz itself that is an issue.

    My iGPU is running 144Hz without issue and from what I have found others are running 120Hz fine also. My only odd thing is I can do 60Hz, 100Hz and 144Hz. 120Hz is not an option, though that could be the monitor driver hiding it. I have seen others with Asus 120Hz working.

    HDMI can't do 120Hz so that could be why some say iGPU can't do 120Hz but on DisplayPort I have no problems going above that :)

    Anyway, not sure what this impacts and for what driver but if you right click the desktop and go to "Screen resolution" make sure the box is checked for "Enable Stereoscopic 3D settings for all supported displays".

    I have mine off since I don't use 3D and heck it may or may not do anything with these things but is another thing to toy with.

    Keep us posted.
     
  9. Meaker@Sager

    Meaker@Sager Company Representative

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    The intel chip sticks to info from the monitor, though with the refresh rate being 144hz you may be able to create a custom 120hz.
     
  10. ajnindlo

    ajnindlo Notebook Deity

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  11. Meaker@Sager

    Meaker@Sager Company Representative

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    Well the DVI is single link so it will never do 120hz.
     
  12. PushT

    PushT Notebook Consultant

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    I have not received my TV yet, but one thing is for sure - Both the full - size Displayport and the HDMI of the P157SM/NP8250/NP8255 are connected directly to the discrete graphics card. In that case all is not lost. I don't know about the port placement on the p150sm though....?
    What games should I try when connecting the TV ? Titles known to work/not work well in 3d ? Or at least something for good reference ?
     
  13. Bryanu

    Bryanu Notebook Deity

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    You sure about that? My speaking with some of Sager guys and from what I can tell is ALL of our outputs actually go to the iGPU and none directly to the dGPU. The NVIDIA image even shows all the ports on the iGPU. My work laptop that is 4th gen Intel haswell also running same driver version shows most my ports on the dedicated GPU and only HDMI and a internal display on iGPU vs. my P157SM (150SM will be same FWIW) with everything on iGPU.

    Open Nvidia Control Panel and go to Set PhysX the image shows what ports are on what card.
     
  14. Meaker@Sager

    Meaker@Sager Company Representative

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    Yes on the clevo/sager machines the IGPU handles all display outputs.
     
  15. PushT

    PushT Notebook Consultant

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    I just took apart my p157sm. The hdmi port and the displayport connect to the Nvidia gtx 780m. I believe you when you say as a retailer how the connection is set up, but I am sitting here looking at the two ports going directly into the gtx. That means that that the igpu is situated..... where ?? What is the physical layout of the iGPU ? Either it has some very long tentacles or else it is situated near the graphics card, and not the processor.
     
  16. Bryanu

    Bryanu Notebook Deity

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    The iGPU is on the CPU itself.

    If the ports went directly to the dGPU your iGPU wouldn't work at all one those ports as it would be bypassed.

    I am using the regular DisplayPort and know 100% that it's using the iGPU which from that goes to the dGPU.

    Most other laptops split them, so generally the DP would go through the dGPU and HDMI the iGPU but in our case it all does.

    This is a good thing in some ways as it allows me to use a dedicated monitor without wasting power and heat for the dGPU when doing tasks that don't need it.

    The bad is when you want 3D, doesn't just work properly with Nvidia.
     
  17. Meaker@Sager

    Meaker@Sager Company Representative

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    Where the ports are, is due to a hangover from the HM series which had them in the same place due to it being dGPU only, but electrically all ports go to the IGP.
     
  18. PushT

    PushT Notebook Consultant

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    Yes, there are no good news to report I'm afraid. 3dvision does not work. 3D blu - ray works great directly from powerDVD( can use settings in win8, powerdvd or directly from tv remote), HD - gaming in general works great. So nothing new to report. I will see what kind of hz & fps i get from more 3dgames, but I haven't had time so far.
     
  19. Meaker@Sager

    Meaker@Sager Company Representative

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    120hz should be fine and is the best mode to run.
     
  20. PushT

    PushT Notebook Consultant

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    Been a long time, but I have been using my TV with stereoscopic 3d now for a while. Works without any further troubles, though some titles I have had to change the resolution to something like 1919x1080 to get it to run in 60hz. Of course I am not getting anything more than 60hz, but I like it :)
     
  21. ajnindlo

    ajnindlo Notebook Deity

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    Thanks for the update. It is good to know it works, although with limitations.