ERROR 12 on BOOTCAMP HAS BEEN FIXED BY MICROSOFT! in WINDOWS INSIDER (FAST) !
 
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ERROR 12 on BOOTCAMP HAS BEEN FIXED BY MICROSOFT! in WINDOWS INSIDER (FAST) !  

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Arizor
(@arizor)
Trusted Member
Joined: 2 years ago
 

@ac2334 great to hear!

2019 16-inch MacBook Pro Retina (2.3ghz Intel i9) // Radeon 5500M (8GB).
MacOS Catalina // Bootcamp Win10 2004 (Build 19041).
Razer Core X // Vega 64 // 2m Active Thunderbolt cable.


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ac2334
(@ac2334)
Active Member
Joined: 1 year ago
 

@arizor, further testing - I have successfully added the Blue edition (keeps 5K resolution on my model) bootcampdrivers.com drivers and there are no issues with the 2080 Ti being recognized on it every time (I can't boot with it attached, but I can hotplug without issue). By adding a game to use high performance under Graphic Settings I am able to use the eGPU just fine! Should I feel ok to go to 2004 now? I backed up my pci.sys file just in case and made some restore points.

I am very happy with the performance I am getting in the latest System Shock demo - playable framerates on all ultra settings in 4K! If I go to 2K fps is like 200...

Temps never get above 56 degrees for now...

Will also try with a diplayport-connected 4K HDR monitor to see what kind of difference in performance I get

The only thing is, I want to be on the latest version of Windows 10 so that I can play my Microsoft Game Pass games..

 

Cool

 

This post was modified 1 year ago

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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Weekendiac
(@weekendiac)
Eminent Member
Joined: 2 years ago
 

I can confirm that Windows Insider fast ring helped me to made my set up to run. I made a fresh install of Windows 10 pro version 19635, eGPU plugged in all the time.

*** In the past I used my set up with a Radeon RX580 and goalque’s master Thread for MacBook 15” mid 2015, which was working very well. It ran Windows 2004 and the pci.sys switch. But I was not able to get my Vega 64 to run. ***

When the installation was done I did not turned on the wLan (in the first attempts the system always loaded and installed something for the card, which seems to me not very helpful).
Then I installed the latest bootcampdrivers (April), which I had prepared on an usb stick.
I got error 12, but for any reason I was able to switch off and on the pci root bridge (which is usually not possible for me, if the eGPU is plugged in (maybe this depends on the Razer Core x chroma???)).
I used gpu toggler for that. Suddenly error 12 was gone and even after a restart. And all of the next starts.

Anyway: the system eGPU feels like running with hand break on. Benchmarks are running fine, with values  better than RX 580 but clearly slower than comparable systems. 
Under the line: the system is running without any efi-hacks. But with  every start of the Bootcamp partition I fear any trouble with error 12. And at the moment I do not trust in any changes to fasten up the eGPU. Maybe I will try this someday, when I find a way to always be able to disable/enable this specific pci-root-bridge with eGPU plugged in.

This post was modified 1 year ago

MacBook Pro 11,5 (15“ Mid 2015 with AMD Radeon R9 M370X, 16GB, 1TB SSD)
eGPU: Razer Core X Chroma with Apple TB3 to TB2 adapter and AMD Radeon Vega 64 using internal Display
Windows 10 pro build 2004 .19619 (by Windows Insider fast ring programm) and MacOS Catalina 10.15.5 with Purge Wrangler


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Arizor
(@arizor)
Trusted Member
Joined: 2 years ago
 
Posted by: @ac2334

@arizor, further testing - I have successfully added the Blue edition (keeps 5K resolution on my model) bootcampdrivers.com drivers and there are no issues with the 2080 Ti being recognized on it every time (I can't boot with it attached, but I can hotplug without issue). By adding a game to use high performance under Graphic Settings I am able to use the eGPU just fine! Should I feel ok to go to 2004 now? I backed up my pci.sys file just in case and made some restore points.

I am very happy with the performance I am getting in the latest System Shock demo - playable framerates on all ultra settings in 4K! If I go to 2K fps is like 200...

Temps never get above 56 degrees for now...

Will also try with a diplayport-connected 4K HDR monitor to see what kind of difference in performance I get

The only thing is, I want to be on the latest version of Windows 10 so that I can play my Microsoft Game Pass games..

 

Cool

 

If it’s all running beautifully I would leave as is mate! If you’re on 1903 you should be able to run Xbox Game Pass fine (at least I could?).

2019 16-inch MacBook Pro Retina (2.3ghz Intel i9) // Radeon 5500M (8GB).
MacOS Catalina // Bootcamp Win10 2004 (Build 19041).
Razer Core X // Vega 64 // 2m Active Thunderbolt cable.


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ac2334
(@ac2334)
Active Member
Joined: 1 year ago
 

@arizor, I thought gamepass games only ran on the absolute latest win 10 version. Either way, I have my iMac in a particular triple boot setup, so I only quickly installed Windows as a single partition to test and learn what works - I will need to reinstall everything at some point any way to put MacOS Catalina and Linux back on.

Before I recreate the entire triple boot I will be testing 1909, 2004 and the insider fast ring 

Wink

 

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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arouris
(@arouris)
Eminent Member
Joined: 2 years ago
 

Just to let people know, my Win 10 installation updated to the very latest Insider Fast build and eGPU is still working properly.

Mac Mini 2018 (Core i5), Sonnet 550 enclosure, Sapphire 5700 XT Nitro


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ac2334
(@ac2334)
Active Member
Joined: 1 year ago
 

@arouris, did you try either 1909 or 2004 standard before joining the fast ring? Did those work? I will also be testing them soon..

 

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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arouris
(@arouris)
Eminent Member
Joined: 2 years ago
 

@ac2334, I started with 1903, joined the Insider Fast Ring and it fetched some 2004 release (before hitting retail) and some 2 or 3 new builds since.

 

Mac Mini 2018 (Core i5), Sonnet 550 enclosure, Sapphire 5700 XT Nitro


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Arizor
(@arizor)
Trusted Member
Joined: 2 years ago
 

I’ve also updated and things work fine using the port dance.

2019 16-inch MacBook Pro Retina (2.3ghz Intel i9) // Radeon 5500M (8GB).
MacOS Catalina // Bootcamp Win10 2004 (Build 19041).
Razer Core X // Vega 64 // 2m Active Thunderbolt cable.


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ac2334
(@ac2334)
Active Member
Joined: 1 year ago
 

From 1903 Windows Update offers to go to 1909 - I did, all still working

 

2017 5K iMac + Razer Core X Chroma + EVGA 2080 Ti XC Hybrid + Latest Nvidia drivers + Latest ("Blue" - to keep 5K working) drivers from Bootcampdrivers.com

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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