2019 14" Lenovo Thinkpad X1 Carbon 7th Gen [8th,4C,U] + GTX 1650 Super @ 32Gbps...
 
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2019 14" Lenovo Thinkpad X1 Carbon 7th Gen [8th,4C,U] + GTX 1650 Super @ 32Gbps-TB3 (Zotac AMP Box Mini) + Linux Manjaro  

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Alexander Hampel
(@alexander_hampel)
New Member
Joined: 1 year ago
 

System Specs:

  • CPU: Intel Core i7-8665U
  • Laptop: Lenovo Thinkpad X1 Carbon Gen 7
  • RAM: 16GB (LPDDR3-2166)
  • iGPU: Intel HD Graphics 620
  • OS: Manjaro 20 XFCE 4.14 running on Kernel 5.6
  • External display 24"

eGPU Hardware:

Hardware Pictures:

Installation Steps:

  1. first install latest kernel, updates etc.
  2. connect the eGPU via thunderbolt. Nothing should happen! 
  3. check via inxi -G if the eGPU got in principle detected
  4. if yes, install the nvidia driver by running:

    [Please login to see this]

    make sure to install it via the Manjaro mhwd tool! It will hopefully automatically detect the eGPU and offer you to install the hybrid driver version like video-hybrid-intel-nvidia-440xx-prime (do not install Bumbelbee or Optimus)

  5. turn-off Laptop after installation, unplug eGPU, start! everything should be fine. Connect it again.
  6. Next, install the GPU switcher, which will create a custom xorg config. Clone it from github:

    [Please login to see this]

     

  7. go in the directory an execute (or check the installation instructions)

    [Please login to see this]

  8. run the setup of the eGPU switcher:

    [Please login to see this]

    and follow the instructions. This will generate xorg configs for both integrated and external GPU. Moreover, it will setup a launch demon to switch automatically between the two, if the eGPU is connected when starting...

  9. reboot with eGPU connected and it should work and and inxi -G should give something like:

That's it! This does not provide you with plug and play, but it works really stable everytime you reboot. (Always use the same TB slot)

Benchmarks on External Screen (1920x1200 via DVI):

Counter Strike: Global Offensive

FPS Bencmark Workshop map https://steamcommunity.com/sharedfiles/filedetails/?l=german&id=500334237

All settings low or off

All settings max:

Unigine Superposition Benchmark (1080p Extreme)

In comparison this is not too bad. Under Windows 10 and a powerful desktop CPU the 1650 Super from Zotac gets: 2461 points. ( https://www.guru3d.com/articles-pages/zotac-gaming-gtx-1650-super-review,20.html )

Additional Comments:

  • when first connected I got troubles with the internal Wifi kernel module. However, after installing the correct driver this magically solved itself
  • I usually switch off the compositing in XFCE for higher framerates
  • Had real troubles with the nvidia generated xorg config! Delete it if it is generated!
This topic was modified 1 year ago
2019 14" Lenovo Thinkpad X1 Carbon 7th Gen [8th,4C,U] + GTX 1650 Super @ 32Gbps-TB3 (Zotac AMP Box Mini) + Linux Manjaro [build link]  

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