Research on M18R3+1070 PEG Graphics Mode

Discussion in 'Alienware 18 and M18x' started by yb494119459, Jan 10, 2019.

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  1. yb494119459

    yb494119459 Notebook Geek

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    In another post I shot a video that proved that the single mode can be used.
    Original post address: http://forum.notebookreview.com/threads/m18xr2-hdmi-output-cant-up-to-2k.825799/page-4#post-10820375
    Now I have purchased a 4K monitor and have done the following tests:
    SG mode:
    DP port: 1080P_144Hz, 2K_30Hz, 4K_30Hz
    HDMI: 1080P_60Hz, does not support 2K4K
    PEG mode:
    DP: 1080P_144Hz, 2K_120Hz, 4K_60Hz
    HDMI: 1080P_144Hz, 2K_30Hz, 4K_30Hz
    The discovery of booting in PEG mode:
    1. Connect the DP port of the 4K monitor to the notebook. It cannot be turned on in PEG mode, and it will alarm 8 times.
    2. Connect the HDMI port of the 4K monitor to the notebook, and it can be turned on in PEG mode, but the BIOS screen will not appear, and the screen will be black until the system welcome page is entered.
    3. Connect the DP port and HDMI port of the 4K monitor to the notebook. It can't be turned on in PEG mode, and it will alarm 8 times.
    4, I bought an HDMI spoof through Taobao, it can make the notebook think that there is a monitor connected via HDMI, so that it can boot normally.
    5, the video in the old post shows that the 1600*900 monitor is connected to the notebook, the BIOS screen can be seen normally in PEG mode, and the system is successfully entered.
    My guess: the BIOS of the M18R3 does not support high resolution display mode.
    At present, my usage: HDMI port is connected to HDMI spoofing device, DP port is connected to 4K monitor, and the screen is set to display only in one monitor after entering the desktop. I set up the notebook and used it as a desktop computer. I usually rely on sleep wake-up instead of switching on and off.
     

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    Last edited: Jan 10, 2019
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  2. yb494119459

    yb494119459 Notebook Geek

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    :)
     

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  3. ssj92

    ssj92 Neutron Star

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    Is this all with the internal display still connected??

    :cool:
     
  4. yb494119459

    yb494119459 Notebook Geek

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    Yes, the internal monitor is still connected, but it doesn't show anything right now. Also, if I remove it, the external monitor will still work, as it is now.
     
  5. Danishblunt

    Danishblunt Guest

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    I am not suprised by this in the slightest, it acts exacly as it should. Only alienware has the 8beeps thing, any other notebook would be able to do the same without the HDMI spooing adapter
     
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  6. ssj92

    ssj92 Neutron Star

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    Interesting, I believe the M18xR2 does the 8 beeps with internal display connected even though it has an HDMI source connected.
     
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  7. yb494119459

    yb494119459 Notebook Geek

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    Very expect your test!
     
  8. TheReciever

    TheReciever D! For Dragon!

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    Its operating under PEG mode? Fairly interesting way of keeping a DTR running optimally. Its not ideal but its the best anyone is going to get with this laptop.

    I wonder if 1070 SLI would work?
     
  9. ssj92

    ssj92 Neutron Star

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    Should work as long s both cards have an SLI connector and you get a high bandwidth bridge from something like a Clevo
     
  10. kingofswag187

    kingofswag187 Notebook Deity

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    My Ranger can boot to my ZR30W (mini DP, 1600p) in PEG, same with my M6700. Haven't tested the M18X, but will soon enough
     
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