*** The Official MSI GT75 Owners and Discussions Lounge ***

Discussion in 'MSI Reviews & Owners' Lounges' started by Phoenix, Jun 23, 2017.

  1. JeanLegi

    JeanLegi Notebook Consultant

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    The new GT75 has 2 combo slots and one pure NVMe slot.
     
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  2. Phoenix

    Phoenix Super Tweaker

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    They are all NVMe on the new GT75
     
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  3. Alatar

    Alatar Notebook Enthusiast

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    I finally got my GT75 Titan 8RG in (from HIDEvolution)! Original had a bad pixel so had to send it back lol. Running beautifully now. Just had a question if anyone might be able to answer it:

    So running benchmarks/games my Kill-A-Watt is showing max of like 275 watt (at stock clocks). Is it possible to buy a single 330w power brick for traveling purposes while my dual 230w setup stays at home? Is it even a good idea to do that or is 275w too close to the 330w output on the supply?

    If possible/not inadvisable, where would I go about ordering such a thing? Is the power supply for the GT73 the same thing (if so then HIDEvolution has those on their site)?
     
    Last edited: Jun 13, 2018
  4. Falkentyne

    Falkentyne Notebook Virtuoso

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    You *can*, but I can't help you with this. I have NO idea how the EC works or how it functions with power supplies of a lower capacity.
    The Eurocom 780W PSU has been tested on your model without the EC Throttling the CPU at heavy GPU+CPU load, so that has been proven to work successfully. The 330W single PSU has not been tested, so it would be "spend your money and try it out", as I am no longer able or capable of helping users with your systems as I do not have access to one. I know how the older MSI laptops worked and how you could change 'EC RAM' registers in RW Everything and use higher wattage power supplies to bypass "EC" based power restrictions (Example: TDP modding a GTX 1070 to 200W to match the GTX 1080 TDP, buying a 330W PSU, and then changing a value in RW Everything (EC) to change the power ID to the GTX 1080 power ID (failure to do this would cause extreme CPU power throttling when 230W power is exceeded, as well as EXTREME battery leech drain), but again, NO ONE has tested what will happen with a GT75 Titan and a single 330W.

    If you do decide to experiment for the benefit of the rest of us, please run Throttlestop while gaming on the 330W, make sure your combined system power load does NOT ever exceed 370W from the wall directly (going past this will trip the safety circuit of the PSU; the PSU's are always capable of drawing more total power than their rating), and in Throttlestop, pay VERY CLOSE attention to the "Limit" checkbox, and check for CPU "Power Limit" throttling, e.g. power limit 1/PL2 TDP to 45W.

    On the GT73VR SLI system (2x 230W + 2x GTX 1070), unplugging one of the two power supplies and using only one power brick causes extreme CPU throttling (as if somehow the system is able to detect that only 1 PSU is plugged in and then throttles the system at 230W of total AC Power). Usually the 2x230W PSU is rated for 460W of total power. Yet somehow it manages to detect that only one power brick is active. How, I don't know. You would think that having one 230W PSU plugged into the dongle would simply overdraw the PSU (past 230W) and cause the PSU to power down, but instead the CPU just throttles. (@sirgeorge tested that). That's because, the "master" power ID value for a GTX 1070 system, is "90", whether it's single or SLI, it's still 90 (which means 230W). Something causes this 230W to be doubled if both power bricks are in use.

    For example, using a 230W PSU, a TDP modded GTX 1070 (modded to 200W) and changing the master power ID to 330W (ID=91) on a GT73VR, allows the system to try to draw 330W. The 230W PSU will shut off after 250W by the system (>280W from the wall).

    Sorry if this confuses you. tl;dr: try it and check "Throttlestop Limit Reasons" button for bizarre CPU throttling if you do.
     
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  5. Alatar

    Alatar Notebook Enthusiast

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    Thanks for the info. I'll see how annoying it is to use the dual supply in the car tomorrow and consider whether I want to make the purchase at that time. I'll let you all know how it works if I decide to pick one up.
     
  6. an0n

    an0n Newbie

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    Hello all, I have several questions. I am looking to buy a N173HHE-G32 panel for a replacement in a different laptop. I need a screen with the lowest response times possible. Notebookcheck has reviewed many laptops with this panel, and nearly all of them had 25ms+ GTG/10ms+ BTW response times

    However, the only laptops with this panel that have a decent response time (less than 10ms GTG/6ms) are the GT75 laptops.

    I have learned that there are variations in the revisions of the panels, and that the Rev. C2 is a "5ms" panel, and that Rev. C3 is a "3ms" panel (according to MSI, as stated by an MSI employee). Knowing this, I thought that the difference was that the GT75 had C3s and the rest had older C2 panels.

    HOWEVER, I found an outlier. The MSI GE73 8RF Raider RGB has a 3ms (as stated by MSI) N173HHE-G32 panel.

    According to notebookcheck, the laptop screen has a GTG response time of 28ms and a BTW response time of 13.4ms, similar to the all the rest of the N173HHE panels. All the other stats (color, etc.) are nearly identical between the titan panels and this one's.

    I wish to get a panel with response times less than 10ms.

    My questions are:
    Do the GT75 models come shipped with a Rev. C3 panel?
    And, do the GT75 panels actually have a 10ms GTG response time as reported by notebookcheck?
    Why would the panel in the GE73 8RF have a twice as high response time if it uses the same "3ms" N173HHE-G32 panel?



    Thank you for reading, I hope someone with some technical knowledge can chime in.
     
  7. raz8020

    raz8020 Notebook Guru

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    Yes, there are multiple revisions for the n173hhe-g32 panel and there are differences in specs and resp. times between revisions. There are slight differences (regardless of the panel brand or manufacturer) in specs even for the same panel with the same revision.

    Depending on the shade, some transitions will be faster, some will be slower.

    The reason for that difference in response times, is due to the fact that the manufacturers advertise the fastest speed for a specific transition (they could have cherry picked the time for the fastest transition from all the tested transitions, or it could be that they advertised the BtW time), while NBC provides the rise and fall transition times for BtW and for 50% grey to 80% grey.

    For. eg: you stated that, the 5ms resp time (the transition for that resp time isn't provided, but it would seem to correspond to BtW) corresponds to the C2 rev, but in NBC, that panel had 4ms rise for BtW and 3ms fall WtB, while the GtG (50% to 80%) values were 12ms/14ms.

    https://www.msi.com/blog/Introduction-to-MSIs-120Hz-5ms-3ms-gaming-panel

     
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  8. Fungus99

    Fungus99 Notebook Consultant

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    Is the GPU upgradeable in the GT75 TITAN-057?
    Since the screen is TN, how bad is the viewing angle?
    I've heard the gt63 has bad built quality. Is the GT75 much of an improvement, anybody flex?
    Why isn't there an option for the i9 CPU with gtx1070 graphics since the CPU is soldered on and can't be upgraded later ?n.
    Does thCPUpu throttle at all at lax clock speed running 5 plus hours?
    I originally intended to go for a slim gaming laptop like the asus Zephyrus m or aero 15x but after hearing the CPU throttle, I'm going to go with a big and bulky system.
     
  9. an0n

    an0n Newbie

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    So, do you know what panel I would have to buy to get the reported response times of the GT75 laptops?

    Is it a N173HHE G32 Rev. C3?
     
  10. raz8020

    raz8020 Notebook Guru

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    I think that only msi would know the answer tot that question, but in theory yes, the latest rev should be the one with better response times.
     
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