External Graphics Card for MacBook Pro - Boot Camp eGPU Setup Guide  

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yusufsu
(@yusufsu)
Active Member
Joined: 6 months ago
Posts: 6
May 16, 2018 4:23 pm  

My setup is;

2016 macbook pro 15 " touchbar i7 2.7 ghz rodeon pro 455 16 gb ram 512 gb ssd
Asus strix gtx980
Benq Zowie XL2540 1080p 240 hz monitor
Mantiz Venus egpu enclosure

So first of all i read the build guides with mantiz venus and mbp 2016 15" but i didn't understand this:
Am I need to do refind or DSDT override or something like that for using the egpu with EXTERNAL monitor? or just go to windows botocamp, plug the venus, delete the amd drivers install nvidia drivers and play? i think those hacky stuffs just for the using internal screen with accelerated gpu power am i wrong?
My hope is using the mantiz venus gtx980 and the external monitor at 1080p @240 hz on windows. What should i do guys really need help over here...
Sorry for bad english if anybody can help me i'll be so thankfull.

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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yusufsu
(@yusufsu)
Active Member
Joined: 6 months ago
Posts: 6
May 18, 2018 4:35 pm  

I can use my egpu on windows by disabling the 2. and 3. thunderbolt ports but can't use on macOS. I download & installed the Nvidia web drivers for Mac and after that I disabled the SIP and install the egpu support package. But if I hot plug the egpu with external monitor its just restarts and gives an error screen. Need help.

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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airoscar
(@airoscar)
Active Member
Joined: 7 months ago
Posts: 7
June 2, 2018 5:01 am  

The bootcamp eGPU worked without any modification on my 2015 MacBook Pro 15".

But on the 2017 MBP 13" non-touch bar, I let Windows installed all the required driver for my eGPU, and thenI used the USB EFI to boot into Windows. It booted into Windows the very first time, and then seconds later a prompt show up saying system changes requires restart and then basically kicked me out of Windows and rebooted itself. After that I could no longer boot into Windows, it's stuck in a Windows boot loop...

I re-installed boot camp Windows twice, and both times I ended up in the Windows boot loop.

Any advice?

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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airoscar
(@airoscar)
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Joined: 7 months ago
Posts: 7
June 3, 2018 1:29 am  

Ok. I have followed the guide to the teeth, and I kept having the issue at the very step installing the AMD driver, during the driver installation, the eGPU connected monitor would flash on and off momentarily make it look like it was going to work, before my built-in screen suddenly garbles up and then the windows would crash and reboot and it would go into a boot loop and never boot up. I did this a number of times, and can’t even get into safe mode to fix it. 

I finally got it working, but with slightly different sequences of steps and some variation of steps. But this is what worked for me.

2017 MacBook Pro 13” Non-touch bar. 

1. Installed Windows via Bootcamp
2. Update everything on windows. 
3. Go to Windows device manager, change view to “view by connections”. Scroll down to “Mobile 6th/7th Generation ... I/O PCI Express Root Port #10 - 9D19” and disable it (because this is the one the built-in camera is connected to).
4. Boot back to Mac, and installed rEFInd boot manager. (Requires turning off the System Integrity Protection first).
5. Mount the EFI volume, and move the Apple_set_os.efi into a custom folder.  
6. Reboot, and confirm that the rEFInd works and can see the custom efi. 
7. Still with the eGPU disconnected, boot into Windows again, disable driver auto-install. (Control Panel -> System and Security -> System -> Advanced System settings - > Hardware -> Device Installation Settings - > No -> Save Changes)
8. Reboot Windows to safe mode, and use Display Driver Uninstaller to remove the AMD and NVDA drivers. And also confirm that the iGPU intel graphics driver is still installed and shows up in Device Manager (download and install that if needed).
9. Reboot back to Windows normally once again without eGPU connected. Connect a blank USB drive, and create a Windows Recovery Drive. 
10. Now connect eGPU. Download AMD driver from bootcampdrivers.com and install. (The official driver kept crash for me at this time and I couldn’t finish installation).
11. Reboot with eGPU connected, use the  apple_set_os to boot before selecting windows eft boot. 
12. Windows booted and let me log in before it crashed with built in display garbled up. And then it goes into boot loop. 
13. Booted using apple_set_os method, but boot into the recovery drive that was previously created, ran diagnostics. 
14. Reboot back into windows, and both iGPU and eGPU working properly.

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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Lorenz
 Lorenz
(@Lorenz)
Joined: 5 months ago
Posts: 1
June 12, 2018 5:24 pm  

Hello everyone.
I'm about to setup my late 2017 macbook pro 15" with a Razer Core X and a GTX 1080 Ti in bootcamp. It's hard to find the latest information (regarding Windows 1803 and "large Memory" avaiable) to get things running, especially to accelerate the internal display. It would be great if someone with similar hardware would give a short step-by-step tutorial to get thins up and running.

Thank you.


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Eightarmedpet
(@eightarmedpet)
Noble Member
Joined: 2 years ago
Posts: 1028
June 12, 2018 5:36 pm  
Posted by: Lorenz

Hello everyone.
I'm about to setup my late 2017 macbook pro 15" with a Razer Core X and a GTX 1080 Ti in bootcamp. It's hard to find the latest information (regarding Windows 1803 and "large Memory" avaiable) to get things running, especially to accelerate the internal display. It would be great if someone with similar hardware would give a short step-by-step tutorial to get thins up and running.

Thank you.

Have you tried setting it up yet because...

2017 Macbook Pros have "large memory" as standard regardless of Win version and Nvidia cards are usually pretty straight forward in Windows. 

There are numerous step by step guides in the build guide section, I'd guess you could just plug it all in and it will work...

2017 13" MacBook Pro Touchbar + [email protected] (AKiTiO Thunder3) + Win10
2017 13" MacBook Pro Touch Bar + [email protected] (Sonnet Breakaway Box) + Win10

2017 13" MacBook Pro Touch Bar + GTX1070 (debating 2070 upgrade) @32Gbps-TB3 (Razer Core V1) + Win10
---
LG 5K Ultrafine flickering issue fix


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niknokseyer
(@niknokseyer)
New Member
Joined: 5 months ago
Posts: 1
June 22, 2018 8:25 am  

Question: do you have to select the EFI Boot each and every time?

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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(@niklas_wahlberg)
Active Member
Joined: 10 months ago
Posts: 10
June 29, 2018 8:31 am  

I got everything to work but it gets stuck on the windows logo..

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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Matthias
 Matthias
(@Matthias)
Joined: 5 months ago
Posts: 2
July 1, 2018 3:39 pm  

I have the same problem! It all worked fine at first .. I was able to play in Windows and rebooting was not a problem. Then I worked on MacOs for a day and now I can not start Windows anymore. I also hang with the Windows logo. The spinning circle stops too. I suspect I once forgot to run the apple_set_os.efi before the Windows boot .. but now Windows does not start with the apple_set_os.efi anymore. Maybe this has led to the built-in dedicated graphics card reactivated and the Intel disabled. Does anyone have an idea how to fix this again, or do I have to reinstall Windows? I have already reinstalled Windows 5 times .. I do not want anymore


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Matthias
(@matthias)
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Posts: 1
July 3, 2018 2:03 pm  

I could solve my problem myself. I reinstalled Windows again. I created a restore point after each step. The real problem was: I had the disabled x16 PCI Express Controller - 1901. But I did not have to, because I do not use an ATI graphics card, but an NVDIA GTX 1080. I have only disabled the x16 PCI Express controller - 1905, nothing else. If there are any boot problems, I can now do a system recovery using the recovery points. That's the whole trick ...

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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ibbi
 ibbi
(@ibbi)
Joined: 5 months ago
Posts: 1
July 7, 2018 12:44 am  

Heyo! I plan on getting a Razer Core X and a GTX 1060 6GB and I'm planning to run it on Bootcamp on a 2017 MacBook Pro 15" with TouchBar but I'd like to be cleared up on everything first.

I was wondering if it can work with solely the internal display, no external monitors attached? Do I just follow the procedure here as normal? (I'm quite new and skeptical so bear with me!) If I do get it running, is there some magical procedure I have to follow to switch from Bootcamp back to MacOS or is it the standard restart/shut-down, hold option and select MacOS as normal?

Also, in the event that something messes up on the Windows partition and I'd have to reinstall something, would it affect the procedure of booting into MacOS in any way?

Thank you everyone!


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Fabian
 Fabian
(@Fabian)
Joined: 4 months ago
Posts: 1
July 8, 2018 6:30 am  

Very nice article, it helped a lot!
Now i was wondering if it‘s possible to setup rEFInd in a way that it normaly boots into osx without any interaction and display the menu only when a specific key is pressed (like the options-key for a normal bootcamp installation). Has anybody any experience?


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mar_kelp
(@mar_kelp)
Eminent Member
Joined: 1 year ago
Posts: 28
July 8, 2018 11:52 pm  

Now i was wondering if it‘s possible to setup rEFInd in a way that it normaly boots into osx without any interaction and display the menu only when a specific key is pressed (like the options-key for a normal bootcamp installation). Has anybody any experience?

Shortcut Keys are built into rEFInd:
http://www.rodsbooks.com/refind/using.html#keyboard

Holding down "W" on boot took me right into Windows using rEFInd and the "Spoof OS" config setting (so I don't need to select the apple_set_os.efi first).

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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ckelley87
 ckelley87
(@ckelley87)
Joined: 4 months ago
Posts: 1
July 22, 2018 4:36 am  

Anyone try with the new 2018 15” MacBook Pro? After I install rEFInd and place apple_set_os.efi in the folder as requested, I reboot and still get the standard Apple boot screen. Cannot continue on to follow remaining steps.


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Darthjr
(@darthjr)
New Member
Joined: 4 months ago
Posts: 2
July 23, 2018 10:04 pm  

Also interested, want to try my new 1080 TI

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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Thepsyntyst
 Thepsyntyst
(@Thepsyntyst)
Joined: 4 months ago
Posts: 1
July 26, 2018 11:39 pm  

I get all the way to installing the drivers. And it says it can't find any amd card and won't install. Error 173. I have a 2017 mbp with 560 card and the upgraded processor
Using a sonnet 550 with Radeon rx Vega 56.
However, if I allow windows to install drivers then the egpu works (at least the display I have connected turns on)
I also can't see my macOs drive in refind.


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Maven
(@maven)
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Joined: 2 years ago
Posts: 60
July 27, 2018 8:22 am  
Posted by: ckelley87

Anyone try with the new 2018 15” MacBook Pro? After I install rEFInd and place apple_set_os.efi in the folder as requested, I reboot and still get the standard Apple boot screen. Cannot continue on to follow remaining steps.

Had issues with rEFInd at first with my 2018 15” 2.6. when you reboot the computer, do not hold the option key. The Apple logo will come up followed by the rEFInd screen.

Is it normal to have a few likes of text during the windows boot screen when using rEFInd?

Help needed!!!

I have issues with the internal screen going black and strobing black and white dots.

I can use the eGPU with the external monitor without issues. 

I want to use the internal display and have had zero luck in doing so.

On a side note, Apple may have fixed the thermal throttling in OSX but it’s still an absolute mess in Bootcamp

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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(@reece_lyons)
New Member
Joined: 4 months ago
Posts: 1
August 2, 2018 1:01 am  

This is a great guide. I am facing 2 problems, though.
Number one:
My Radeon Rx 580 shows up just fine in the display adapters without error message 12 or anything but I can't seem to get it to function right. For whatever reason when I try to play a game, it doesn't take advantage of the video card and it just uses the Microsoft Generic Display Adapter, to which the game crashes. When I boot into windows, I get the message that the external gpu is connected but it doesn't seem to "switch" to use it as the primary device.
Number two:
Every time I try to connect a second thunderbolt device (a hub that gives me access to an sd card slot, a few USB ports, etc), my computer completely crashes and I have to restart. The devices I have plugged into hub do not work and are not recognized by the computer. I think it has something to do with me disabling the PCIe Controller x8 but I'm not quite sure.
For future reference, I have a 2017 15" MacBook Pro, a Radeon Rx 580 and an Akitio Node Pro eGpu
Any help would be much appreciated!
Thank you!

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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realistic
(@realistic)
Active Member
Joined: 4 months ago
Posts: 11
August 3, 2018 9:31 am  

@ckelley87
Mid 2018 MBP's have T2 -security chip integrated in, and heavily modified boot process.

You can see this most easily by Apple logo before any other interaction, like rEFind or if you press option key. You see this preboot Apple logo. rEFind should be able to come up after this if set up correctly.

Basically this new Apple logo phase is a a preboot phase, where T2 chip verifies all boot devices signatures with signatures in the T2 chip to make sure these are in the list of the latest Apple allowed bootable bootable systems list. T2 chip might download from the internet with the help of MacOS, this is a little bit halfway documented at the moment for public. You can lower these checks at recovery startup security utility. You have three levels, high, medium and no security.

@maven
Have you disabled dGPU? Are you trying to go on with iGPU?

According to my tests you can take secondary approach to this issue, and use dGPU to accelerate internal display. If you do it like that, you don't need to use rEFind, apple_set_os.efi or any other scripts. See my build guide for my solution.

I also have duck taped the throttling issue, I've got some pictures of my ThrottleStop solution on my guides thread. I get no thermal throttling with this setup. Clock speeds aren't fluctuating anymore.

@reece_lyons
Do you have xConnect running? What does xConnect say about the stuff it is accelerating? You can see it by right clicking on the icon and pressing some of the options on the pop up list, I cannot recall the exact one.

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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Helpful
 Helpful
(@Helpful)
Joined: 3 months ago
Posts: 1
August 6, 2018 12:20 pm  

Just a quick tip. Install teamviewer with unattended access. That way you can remote into the computer if u mess up when disabling pci-e ports 🙂


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Maven
(@maven)
Trusted Member
Joined: 2 years ago
Posts: 60
August 6, 2018 3:05 pm  
Posted by: realistic

@ckelley87
Mid 2018 MBP's have T2 -security chip integrated in, and heavily modified boot process.

You can see this most easily by Apple logo before any other interaction, like rEFind or if you press option key. You see this preboot Apple logo. rEFind should be able to come up after this if set up correctly.

Basically this new Apple logo phase is a a preboot phase, where T2 chip verifies all boot devices signatures with signatures in the T2 chip to make sure these are in the list of the latest Apple allowed bootable bootable systems list. T2 chip might download from the internet with the help of MacOS, this is a little bit halfway documented at the moment for public. You can lower these checks at recovery startup security utility. You have three levels, high, medium and no security.

@maven
Have you disabled dGPU? Are you trying to go on with iGPU?

According to my tests you can take secondary approach to this issue, and use dGPU to accelerate internal display. If you do it like that, you don't need to use rEFind, apple_set_os.efi or any other scripts. See my build guide for my solution.

I also have duck taped the throttling issue, I've got some pictures of my ThrottleStop solution on my guides thread. I get no thermal throttling with this setup. Clock speeds aren't fluctuating anymore.

@reece_lyons
Do you have xConnect running? What does xConnect say about the stuff it is accelerating? You can see it by right clicking on the icon and pressing some of the options on the pop up list, I cannot recall the exact one.

Can you share your throttlestop settings with us?

Thanks!

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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Mymantiz_John
(@mymantiz_john)
Vendor
Joined: 2 years ago
Posts: 488
August 6, 2018 4:10 pm  

any issue in setup, schedule a time with us, let us use Teamviewer to have a deeper look and setup for you!
we love to serve our customer in that deep & far.

Mantiz: ShopFacebookTwitter


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realistic
(@realistic)
Active Member
Joined: 4 months ago
Posts: 11
August 6, 2018 5:37 pm  

@maven

 

Package power short kicks in approximately after the time set at "Turbo time limit".  40w seems okay here.
Package power long doesn't seem to work and is greyed out.
Both package powers trigger "PL1" in Limit Reasons -window.

PP0 current limit works, and is the hardest one to set right. I'd say it would not be even needed, if you could set package power long. I use 100, because it seems to keep the heaviest thermal throttling out. "EDP other" is the trigger in Limit Reasons -window.
PP0 power limit is still under testing for me, I think that you can read a lot in other forums about that.

These settings make most of the thermal throttling disappear. Occasionally some triggers during some short power bursts, but it hasn't been the worst one to the 800mhz area at least. Under gaming I can get pretty stable 3.8-3.9 ghz, and under Cinebench etc. I can get around 3.0-3.1 ghz.

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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salazartherin
(@salazartherin)
Active Member
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Posts: 10
August 13, 2018 1:23 pm  
Posted by: deathtrapz

I'll try to make this as clear as possible to understand because even I am slightly confused what is happening.

So firstly I got my Aorus Gaming Box and set everything up as above and it worked great! But then I became stuck in a boot-loop and the manual restore points I made wouldn't show so I just ended up clean installing windows on my 2017 15" MBP. 

Here is where my problem lies when I open device manager on windows (not running on integrated) the integrated card doesn't show what so ever, not even as microsoft basic display driver. So when I run the intergrated.bat  and then boot using the apple_set_os.efi in refind then boot to windows it just hangs. I have enabled show hidden devices in device manager with no results either, it is almost as if the internal graphics card is not there, which is obviously false as if i disable the radeon pro 555 the internal kicks in. Even then it does not display in Device manager. Any help would be great as i'm pretty stuck at the moment. 

-----------

*Edit

I managed to get this working by disabling the radeon 555 in device manager. Then running the integrated script,booting into windows and then everything worked out fine. Except I am stuck with a constant screen flicker when the display is idle, but if a youtube video is played then the flickering stops, any ideas?

I had the same problem of screen flickering in the same 2017 Macbook Pro. I read somewhere that it is an intel GPU thing that it tries to save power by flickering when nothing important is running on screen. Thats why it stops when watching youtube or something. So what you gotta do is go into the intel graphics settings control panel which you will find in the right click context menu/system tray/control panel. Then go in power settings and change both on battery and plugged in to high performance. Also disable the options underneath this setting (I forgot what the names of those options were. There were two of them). Search in that power settings window if there is something else to change to high performance. If you find anything else change that too. Then the flickering will stop.

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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NelsonW
 NelsonW
(@NelsonW)
Joined: 3 months ago
Posts: 1
August 20, 2018 11:06 am  

I have an external display which is connected and don't want to use my internal 15" display on my Macbook pro. In order to have the eGPU drive the monitor via thunderbolt 3 (connected to my rmbp) Do I need to disable the 1901 PCIe port? Or I don't have to do anything except DDU the dGPU and connect the monitor to the eGPU?


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nelsonfeelscool
(@nelsonfeelscool)
New Member
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Posts: 2
August 21, 2018 12:24 am  

My windows is 1803, and mbp is mid 2017 ver with touch bar, I have a vega 56 connected to a external monitor with HDMI, while the mantiz egpu hub is connected to MBP with TB3 on the right side.

well, I basically DDU-ed the dGPU, then connected the eGPU, and made the vega 56 driver updated from device manager troubleshooting. Although it seems to run smoothly, when I checked the AMD setting app, it didn't show the current driver number, so I wonder if it is really working and do I need to disable the PCIexxx-1901, so then I could re-install the driver from AMD website?

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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Mandril420
(@mandril420)
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Joined: 3 months ago
Posts: 10
August 27, 2018 7:06 am  

Hi itsage. Thank you for posting this I always follow your posts on macrumors. 

Im having trouble with my 15” 2018 MacBook Pro. I can follow every step of your guide but once I use integrated.bat to switch to the iGPU and restart the computer the screen it will show artifacts and flicker and finally go black even if you restore the system. So I don’t know what to do next. I’m trying to use a Razer Core X with an GTX 1080Ti on my MBP internal display. I use rEFind to boot with the iGPU. Thank you!

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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theitsage
(@itsage)
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Posts: 3104
August 28, 2018 12:11 am  

@mandril420 I have not tested the 2018 15" MacBook Pro so it's possible there's something new in this laptop which causes the flickering issue you and @maven are facing. Can you boot into Windows with dGPU disabled and no eGPU connected? We're trying to determine whether it's possible to force the iGPU to power the 2018 15" MBP's internal display.

Best ultrabooks for eGPU use

eGPU enclosure buying guide

82 external GPU build guides


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613
 613
(@613)
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Posts: 8
August 28, 2018 11:05 am  

@theitsage, I have the same isuue @maven and @mandril420 are experiencing.

The problem is more like "screen it will show artifacts and flicker and finally go black" as @mandril420 describerd.

It is possible to boot into Windows with dGPU disabled and no eGPU connected and force the iGPU to power the 2018 15" MBP's internal display but only with default "Microsoft Basic Display Adapter" driver.

However, as soon as I install Intel drivers I get blank screen. When rebooting afterwards I get these artifacts and then black screen.

I tried to use a few versions of Intel drivers starting from the latest going backwards to more dated pre 1803 ones but I got the same result.

Another interesting thing is that I can get all 3 GPUs (iGPU, dGPU and NVIDIA eGPU) can be installed properly as seen in the device manager by only spoofing macOS (without running integrated.bat).

However in practice the internal screen is still powered by the dGPU.

In contrary to previous eGPU setups I had (mid 2015, late 2016 and mid 2017 15" MBP) running integrated.bat is not necessary to get the iGPU installed properly.

Hope it helps to resolve this issue.

 

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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nando4
(@nando4)
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Posts: 1808
August 28, 2018 11:40 am  

@maven, @613, @mandril420, there two reasons why apple_set_os.efi is used as copied below:

It is desirable to activate the Mac's iGPU in Windows for two reasons:

  1. to overcome error 12 on your eGPU. Then a dGPU's PCIe x16 host bridge can be disabled to free up resources.
  2. to provide an eGPU accelerated internal LCD by AMD X-Connect or NVidia Optimus -> an active iGPU is required.

To enable the iGPU during a Windows bootup we use apple_set_os.efi to spoof a macOS boot as explained below.

Now 2018 MBPs have a 'large memory' factory DSDT so eGPUs (at least Nvidia ones) are less likely to see error 12. That eliminates use 1.
Windows 10 (1803) can now provide an accelerated internal LCD mode without needing an iGPU as explained, eliminating use 2.

So feel free to boot and use/tinker your eGPU without using apple_set_os.efi.

eGPU Setup 1.35    •    eGPU Port Bandwidth Reference Table    •    Several builds
2015 15" Dell Precision 7510 M1000M + macOS 10.14 & Win10


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Mandril420
(@mandril420)
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Posts: 10
August 28, 2018 12:57 pm  

This is great news Nando. Have you actually tested this though? I have installed Windows 1709 since that’s what most people here are using. I will reinstall Windows 1803 and try this now.

I can boot with rEFInd and see both GPUs. I can boot normal and only see the dGPU (shows as Microsoft basic adapter) but when I apply integrated.bar and boot with rEFInd is that I get the white dots. I never had error 12 so I just need the internal lcd acceleration. I will let you know in a couple hours after I reinstall everything. Thank you!

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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theitsage
(@itsage)
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August 28, 2018 12:57 pm  

@maven, @613, @mandril420, I agree with @nando4 in trying internal display acceleration without the iGPU. Reading the symptoms you described it seems Apple made a change with the 2018 15" MacBook Pro. If you encounter error 12, try disabling one of the PCI Express Controller to the Thunderbolt 3 ports.

Best ultrabooks for eGPU use

eGPU enclosure buying guide

82 external GPU build guides


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613
 613
(@613)
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Posts: 8
August 28, 2018 1:24 pm  

@nando4 and @theitsage

Thank you! I managed to get it work using Windows 10 (1803) GPU settings menu.

Maybe it's too early to say but it seems to me that it's about 10-15% slower comparing to Optimus iGPU internal screen acceleration.

Is it possible?

Also it seems to me that the laptop is running hotter.

Can it be because the dGPU is not disabled?

Or maybe because Windows 10 (1803) internal screen acceleration creates extra workload on CPU?

Or both?

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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theitsage
(@itsage)
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August 28, 2018 1:44 pm  

@613 Very good to hear dGPU + eGPU for internal display acceleration works. The dGPU is definitely in use partially to facilitate the transmission of eGPU back onto the internal display. Therefore higher temp of the laptop is expected. AMD XConnect and Nvidia Optimus uses the iGPU instead so the dGPU is not engaged. Thermal generation in those modes comes from the CPU only.

Microsoft Hybrid Graphics AMD XConnect/Nvidia Optimus
Internal Display «» dGPU «» eGPU Internal Display «» iGPU «» eGPU

 

The improvement to Microsoft Hybrid graphics in Windows 10 1803 is a blessing for Mac users. Apple firmware disables the iGPU in many Macs that have a dGPU. Prior to W10 1803, we either need to enable the iGPU (possible on some Macs) or use a headless display adapter. Microsoft does Apple a big favor here.

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Mandril420
(@mandril420)
Active Member
Joined: 3 months ago
Posts: 10
August 28, 2018 1:45 pm  

How did you do it? I was able to reinstall Windows 1803 plugged my 1080 Ti and got the nvidia drivers, restarted everything fine. I can see the 1080 Ti on device manager but on the graphics settings I get the Radeon Pro 555X as both the power saving and high performance gpu. How did you set the 1080Ti as the high performance gpu? Thank you!

ps: are u maybe using a headless hdmi adapter on the egpu or an external display?

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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Mandril420
(@mandril420)
Active Member
Joined: 3 months ago
Posts: 10
August 28, 2018 3:02 pm  

@613 @itsage

lol I got that part. What I mean is when I go into the graphics settings the Radeon 555X shows as both the high performance GPU and also as the power saving GPU so I can’t select the 1080 Ti even though it has been installed and recognized just fine. I have attached a screenshot as well. Thank you!

ps: I have to hotplug the eGPU every time. If I just boot with the eGPU ok I just get a black screen although the computer seems to be on.

I have yet to list my system & eGPU hardware or link a build guide in my signature. I will do so soon to give context to my posts.


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