TONGFANG GK5CN5Z / GK5CN6Z / GK5CQ7Z / GK5CP0Z

Discussion in 'Other Manufacturers' started by sicily428, Apr 22, 2018.

  1. B0B

    B0B B.O.A.T.

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    It also depends on the laptop and its bios. I’ve seen the same chassis change this behavior with a single bios update.

    Doesn’t change the fact that an 8750h will pull way more than 45w if allowed and that’s what makes it hard to lock down anything solid and consistent across everyone’s experience.
     
  2. nimaim

    nimaim Notebook Geek

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    I'll give you a rundown later of how to get Linux working reliably on this plus what's not working. I use it daily for work so I'd say I know my way around pretty well.
     
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  3. Daniel_PT

    Daniel_PT Notebook Enthusiast

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    Prolly games that either dont use more than 4 threads or GPU is limiting the CPU stress :) otherwise I assure you it will downclock because of power limits on any machine.

    And synthetic benches are not a good way to test CPU clocks on laptops! Bob shown that on his last video aswell. You can go on Aida64 for 5 hours sustaining 3,9ghz, then you launch black ops 4 or battlefield V and your clocks go as low as 3ghz, excluding any temp issues.
     
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  4. nimaim

    nimaim Notebook Geek

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    Ok so here's the deal ...

    How to get Linux Mint 19.1 working reliably on this (you can use any distro you want, but I'm used to Ubuntu repos so I use Mint):

    Prerequisites:
    BIOS: 1.05
    EC: 1.35.09
    (I'm sure it works with the older ones, but it's what I have)
    Also, turn secure boot OFF (may have to delete associated keys first)

    Setup:
    On another system, burn the Mint x64 ISO (I recommend the Cinnamon edition, the new 4.0 is very nice) using Etcher (https://www.balena.io/etcher/) and boot it up on the OP (F7 for boot menu, and pick whatever drive you have it on). Once it boots up, and you will need to use a mouse as the touchpad will likely be broken out of the box, run Gparted to partition the drive as I did below or whatever way you wish. This is also a good time to set up Windows from scratch, so I usually nuke everything and start over. I won't go through the entire set up procedure, but just make sure you have WiFi enabled so it can pull some packages down during the install.

    Partitioning / Install:
    You have to decide how you want to install Linux on your OP. If you're not experienced, then it's easier to dedicate one drive to Windows, one to Linux. I personally have a dual boot setup on my NVMe (for fastest OS loads) and separate M2 SATA data drive for Linux. See gparted output below of how this looks:

    [​IMG]
    https://drive.google.com/file/d/0B8r57agxXMtGdlgwQWhaSHJLZk1PUmdhWjFnT003cUMtYjBR/view?usp=sharing (site is not letting me insert this as a pic, sorry)

    Partition sizes may vary, I use a 1 TB 960 M2 NVMe (OS and /home) and a 2 TB M2 SATA (data). Yes, it's costly, but I plan to do the larger battery mod so I've already sacrificed the 2.5" drive slot.

    Whatever route you take, I highly suggest you install Mint first, and then Windows. You can always run update-grub thereafter to get the os-prober script to detect Windows and add it to your GRUB menu.
    Or just use GRUB customizer:
    sudo add-apt-repository ppa:danielrichter2007/grub-customizer
    sudo apt update
    sudo apt install grub-customizer​

    First boot up:
    First time you boot up, my recommendation would be to update all the packages if they're not already: sudo apt update && sudo apt dist-upgrade ... reboot.
    You'll notice some things are broken, most you can fix:

    Fixes:
    Touchpad:
    This is fixed in a patched 4.15 kernel, OR easier way is to install Ukuu and just bump up to 4.19.x series. It only requires adding a PPA.
    sudo add-apt-repository ppa:teejee2008/ppa
    sudo apt update
    sudo apt install ukuu​

    Graphics:
    Out of the box, Mint uses the open source X nouveau drivers for the Nvidia card, which are bleh when you have a full 1060 with Optimus support. To get that to work, you have to add another PPA and install the latest drivers:
    sudo add-apt-repository ppa:graphics-drivers/ppa
    sudo apt update
    sudo apt install nvidia-driver-415 (this is the latest at the time of this posting)​

    This also installs PRIME switch for you that lets you switch between the two GPUs! I use the Intel one to save on battery, I have no need for the Nvidia one in *nix unless I'm doing something graphics intensive (e.g. 3d modeling). There should be no need to explicitly do modesetting or anything as this driver should take care of it.

    Undervolt:
    There's a nifty tool that will write to Intel's msrs and let you undervolt this chip. Since it runs so hot, I recommend doing it and finding values that work for you. Repo is here: https://github.com/georgewhewell/undervolt .. yes I've tested it and it works.
    To install it, use the infamous python pip installer:
    sudo apt install python3-pip
    sudo pip3 install undervolt (you will have to get some dependency packages before this, the names of which I forgot, but install them the same way)

    Then it's just something like "sudo undervolt --core -140 --cache -140" to UV both of them 0.140 V.

    Broken:
    Keyboard light:
    I've found no way for this to work yet, the system does not even detect it in /sys/class ... so you can either just turn it off in the BIOS completely, or let it be always on at full brightness. Problem with always on is when you suspend the laptop, the light will stay on, so I would suggest getting hibernation set up following this tutorial: https://forums.linuxmint.com/viewtopic.php?t=273202

    Resume from suspend/hibernate:
    I've also ran into the case a few times where the laptop does not properly come out of suspend / hibernation mode, maybe due to Linux's bad support in handling power states. Either the kb/mouse will be non responsive, I will get a black screen, or something else. I rarely see this, but it does happen, and it's random, so just get in the habit of saving your work.

    Packages:
    Obviously we don't have anything like XTU or Aida or GC on here for stress tests and temp/freq monitoring. I found some neat utilities though:

    Use s-tui for stress tests and temp monitoring:
    sudo pip3 install s-tui

    Use glances as a top/htop replacement:
    sudo pip3 install glances

    Tons of other good packages out there, install whatever you need.

    I will add to this post as the day goes on ... but hopefully this quick write up helps fellow Linux users get started. Good luck.
     
    Last edited: Dec 21, 2018
  5. Alias

    Alias Notebook Deity

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    Got my laptop yesterday evening so just initial impressions based on a few minutes of usage.

    1. Laptop feels solid and has pretty good build quality considering the price with very little flex.
    2. Screen looks great with slight light bleed on the right bottom corner but I guess i can live with that.
    3. Keyboard layout seems a little cramped. I wish they had done away with the number keypad and thus made it much roomier to space out the keys.
    4. Trackpad even though smooth feels slightly laggy.
    5. The laptop has sharp edges which kinda dig into your arms when resting on the palm rest.
    6. Fan noise on turbo mode is pretty loud and I wouldn't think i would want to game at that noise level (even with headphones since I use open back ones)

    @B0B , were you running it in turbo mode in your latest video when you said maximum fan speed in your Bf 5 gaming clip?
     
  6. B0B

    B0B B.O.A.T.

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    Yes turbo mode is maximum fan speed
     
  7. nimaim

    nimaim Notebook Geek

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    I don't know how anyone runs this at full fan speed, sounds like an airplane getting ready for take off ... lol, but I guess if you want to properly cool this kind of CPU, there's really no other option. Nice video @B0B!
     
  8. B0B

    B0B B.O.A.T.

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    Wear a headset when you game?

    A power throttled, thermal throttled quieter laptop is always worse than what we have here. At least we can scale things back.

    12 threads in this tiny laptop and I think it’s doing quite nice.

    One of the most common complaints I get every day is thermal throttling on various gaming laptops. No fan control and terrible intake ventilation really sucks. Anyone of those people would happily take a max fan speed button right about now.
     
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  9. jppflg

    jppflg Notebook Enthusiast

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    Headed to pick up my 15+ right now! Check in soon. Thanks for getting the vid up Bob.
     
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  10. hodgeMN

    hodgeMN Notebook Evangelist

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    Thanks but it is completely locking up on both of the Overpowered systems I have.
     
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