2018 13" MacBook Pro [8th,4C,U] + RX 580 @ 32Gbps-TB3 (Gigabyte Gaming Box) + W...
 
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2018 13" MacBook Pro [8th,4C,U] + RX 580 @ 32Gbps-TB3 (Gigabyte Gaming Box) + Win10 1803 [itsage]  

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itsage
(@itsage)
Illustrious Member Admin
Joined: 4 years ago
 

In an attempt to help forum member, @ruuuuuu resolve error 12 with the RX 580 Gaming Box I found a workaround that keeps all Thunderbolt 3 ports in the 2018 13" MacBook Pro enabled. Through two hours of trial and error, the PCI Express Root Port #3 - 9DBA [wireless card] seems to be the main culprit of error 12. Once I disabled this Root Port, the Gigabyte RX 580 Gaming Box worked well on all Thunderbolt 3 ports. 

 

System specs:

2018 13" QC MacBook Pro - i5-8259U/Iris Plus Graphics 655 iGPU/8GB RAM/512GB SSD

 

eGPU hardware:

Gigabyte Gaming Box + Radeon RX 580 + .5m Thunderbolt 3 cable

 

Hardware pictures:

 

Installation steps:

Take a look at the four PCI Express Root Ports in Windows for the 2018 13" MacBook Pro. PCIe x4 Root Port #13 - 9DB4 connects to many crucial internal components such as the NVMe drive, trackpad, keyboard, Audio and iSight. This port is interconnected with the Apple T2 chip so I prefer to leave it alone. Next one down is the PCIe x1 Root Port #3 - 9DBA that connects to the Wireless card. PCIe x4 Root Port #5 - 9DBC connects to the left Thunderbolt 3 ports and PCIe x4 Root Port #9 - 9DB0 connects to the right Thunderbolt 3 ports.

Below are the step by step process I took to set up my 2018 13" MacBook Pro for the Gigabyte RX 580 Gaming Box:

  • Boot into Recovery mode to disable SIP through Terminal. Open Startup Security Utility to set Secure Boot to No Security and External Boot to Allow booting from external media [in Option Boot]
  • Download Windows 10 ISO and install through Boot Camp Assistant [in macOS and Windows]
  • Complete Boot Camp driver installation then open Device Manager to disable PCI Express Root Port #3 - 9DB4 (to wireless card) [in Windows]
  • Download and install rEFInd then mount EFI partition to enable spoof_osx_version 10.9 [in macOS]
  • Connect eGPU to the left Thunderbolt 3 port closest to display hinge then hit POWER button [Computer off]
  • Select Windows volume then hit ENTER [in rEFInd Boot]
  • Wait for Windows to complete booting and open Device Manager to verify there's a second Display Adapter. [in Windows]
  • Proceed to download and install latest Radeon drivers [in Windows]

If all goes well, you should see AMD Xconnect notification and icon. During my trial and error process, the RX 580 eGPU can actually work on either side Thunderbolt 3 ports. I found using the left TB3 port closest to the display hinge works most reliable. Here are screen captures of HWiNFO.

If you tried other methods and would like to give this a try, make sure to run DDU first and remove all Nvidia and AMD graphics drivers.

 

Benchmarks:

I didn't have time to run benchmarks. The setup can work with both the internal display and external monitor. FIFA19 is an exception in that it refuses to work with internal display. 

 

Comments:

The only inconvenience with this workaround is to disable the Wireless card Root Port before you shut down Windows then re-enabled once AMD XConnect detects and works with RX 580 eGPU. All four TB3 ports remain enabled is a nice tradeoff. I will try hot-plugging external SSD and see whether there's issues.

external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide

 
2020 13" MacBook Pro [10th,4C,G] + RX 5700 @ 32Gbps-TB3 (Prototype eGPU Enclosure) + macOS 10.15.4 & Win10 1903 [build link]  


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mac_editor
(@mac_editor)
Famed Member Moderator
Joined: 3 years ago
 

@itsage I thought the wireless card as a culprit was evident because sometimes hot-plugging an eGPU in Windows Bootcamp disconnects the wireless device for a bit. Anyway, this is a great find because having just 2 TB ports available can be painful (I use all at all times ;p).

The disabling/enabling of the device could be scripted as Windows has the option to run some on startup/shutdown. Same with the other PCIe controllers. All in all, if one had time, could build a series of automations to automatically run to resolve error 12.

purge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance

Master Threads:
2014 15-inch MacBook Pro 750M
2018 15-inch MacBook Pro

 
2019 13" MacBook Pro [8th,4C,U] + RX Vega 64 @ 32Gbps-TB3 (Mantiz Venus) + macOS 10.14.6 & Win10 [build link]  


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itsage
(@itsage)
Illustrious Member Admin
Joined: 4 years ago
 

I noticed this behavior of wireless card disconnection when hot-plugging eGPU too. It happens on Windows laptops too. Having a script to automate this process would be great!

external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide

 
2020 13" MacBook Pro [10th,4C,G] + RX 5700 @ 32Gbps-TB3 (Prototype eGPU Enclosure) + macOS 10.15.4 & Win10 1903 [build link]  


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mac_editor
(@mac_editor)
Famed Member Moderator
Joined: 3 years ago
 

@itsage When I was into testing the 2018 MBP on Windows (now works with both AMD and NVIDIA eGPU equally well while plugged in from boot - just no internal display), I looked into scripting the controllers but left the idea there once I got my setup working. I have actually been looking at some better ways at patching macOS as well (non-EFI) such as with kexts (hence slow on the app). The problem with the latter approach is dependencies (major OS upgrades could break kext libraries even though patches may be same: example is the Thunderbolt3Unblocker that depends on xnu_override - didn't work on Mojave when I checked last).

If I have the time, I could look into this (though I honestly don't think I'll have any until semester-end). Is your bootcamp guide about disabling resources up-to-date with this new info? It'd be great to have all the resource disabling stuff in one place.

purge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance

Master Threads:
2014 15-inch MacBook Pro 750M
2018 15-inch MacBook Pro

 
2019 13" MacBook Pro [8th,4C,U] + RX Vega 64 @ 32Gbps-TB3 (Mantiz Venus) + macOS 10.14.6 & Win10 [build link]  


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tsakal
(@tsakal)
Reputable Member
Joined: 2 years ago
 

@mac_editor

Mac_editor hi, 

I have uninstalled the patch and then setup my new mbp13 2018 i7 on macOS 10.14.1. Everything works fine with the gaming box rx580 apart from the fact that when i do a stabilisation on fcpx the system crashes and i get an error //"macos_system_state":"running","bug_type":"210","os_version":"Bridge OS 3.1//
Is there any additional setting i need to change in relation to the patch. Also performance is not as much better as with my mbp13 2015 as i was expecting. Any suggestions would be highly appreciated. 

Best

A. 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Razer Core X, Nitro+ RX5700 xt 8Gb, LG 32UK550
Mac OS Catalina 10.15.2, Ext SSD Windows 10 1903 V1 .295

B. 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Gigabyte Gaming Box RX580 8Gb, Mac OS Catalina 10.15.2, Ext SSD Windows 10 1803

C. 3.1 GHz I7, 16Gb, 1TB MBP 13 2015 TB2 , EGPU Gigabyte Gaming Box RX580 8Gb


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tsakal
(@tsakal)
Reputable Member
Joined: 2 years ago
 

@itsage
Hi there, 
I have a setup exactly the same with one of your recent builds and looking for some guidance in a couple of issues. I run the purge wrangler patch on my tb2 mbp 13 2015 before but uninstalled before the last backup that i used for the new setup. 
A. Crashes: i have setup my new mbp13 2018 i7 on macOS 10.14.1. Everything works fine with the gaming box rx580 apart from the fact that when i do a stabilisation on fcpx the system crashes and i get an error //"macos_system_state":"running","bug_type":"210","os_version":"Bridge OS 3.1//
B, Performance: Do you think that i need to change any setting? I got a new mbp 13 2018 2.7 16gb 1 tb paired with the gaming box rx580 and a Dell 29' 2k and the benchmarks i get are not as i expected and not better than what i got with my 2015 mbp 13 with TB2. With the mbp 13 2018 i get the 41fps (1040) on Heaven ultra setting 1080p  vs 39fps on the mbp 2015 and 67.5 fps on the basic preset. Cinebench is at 62fps vs 61fps. Dirt Rally on macOS at 55 fps. FCPX looks to perform a bit faster but similar to the mbp2015 but as the projects i quickly looked at were only 3.3 min the difference might not be apparent, i will revert when checking longer projects. 
I run macOS 10.14.1 (18B75)
Do you think that i need to change any setting?

A. 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Razer Core X, Nitro+ RX5700 xt 8Gb, LG 32UK550
Mac OS Catalina 10.15.2, Ext SSD Windows 10 1903 V1 .295

B. 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Gigabyte Gaming Box RX580 8Gb, Mac OS Catalina 10.15.2, Ext SSD Windows 10 1803

C. 3.1 GHz I7, 16Gb, 1TB MBP 13 2015 TB2 , EGPU Gigabyte Gaming Box RX580 8Gb


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mac_editor
(@mac_editor)
Famed Member Moderator
Joined: 3 years ago
 

@tsakal Your new Mac supports that eGPU natively so uninstalling the patch is sufficient. Bridge OS crashes are not related to the patch. Wait for a fix from Apple (10.14.2 has less panics IMO), or reinstall macOS over existing install. Also performance of the eGPU won’t suddenly increase if you change macs.

purge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance

Master Threads:
2014 15-inch MacBook Pro 750M
2018 15-inch MacBook Pro

 
2019 13" MacBook Pro [8th,4C,U] + RX Vega 64 @ 32Gbps-TB3 (Mantiz Venus) + macOS 10.14.6 & Win10 [build link]  


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tsakal
(@tsakal)
Reputable Member
Joined: 2 years ago
 

@mac_editor
Thanks a lot for the prompt reply. Re performance i am not expecting miracles but i was expecting a 25% boost due to the tb3 vs tb2. You guys are more experienced, that is why i am checking whether i have missed some setting somewhere. By the way with the 2018 mbp 13 and 10.14.1 i see the internal gpu being engaged more or less all the time. 

A. 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Razer Core X, Nitro+ RX5700 xt 8Gb, LG 32UK550
Mac OS Catalina 10.15.2, Ext SSD Windows 10 1903 V1 .295

B. 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Gigabyte Gaming Box RX580 8Gb, Mac OS Catalina 10.15.2, Ext SSD Windows 10 1803

C. 3.1 GHz I7, 16Gb, 1TB MBP 13 2015 TB2 , EGPU Gigabyte Gaming Box RX580 8Gb


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tsakal
(@tsakal)
Reputable Member
Joined: 2 years ago
 

@mac_editor
One more thing.
I noticed on my mbp 13 2018 that when i plug the Apple USB-C charger the mbp power switches from the gaming box 100w  the the Apple charger 60w. GPU performance and mbp heat management should be better to power through the charger, right? Any thoughts ?

A. 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Razer Core X, Nitro+ RX5700 xt 8Gb, LG 32UK550
Mac OS Catalina 10.15.2, Ext SSD Windows 10 1903 V1 .295

B. 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Gigabyte Gaming Box RX580 8Gb, Mac OS Catalina 10.15.2, Ext SSD Windows 10 1803

C. 3.1 GHz I7, 16Gb, 1TB MBP 13 2015 TB2 , EGPU Gigabyte Gaming Box RX580 8Gb


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tsakal
(@tsakal)
Reputable Member
Joined: 2 years ago
 

@mac_editor
Re Performance, cinebench is at 62 fps the same as with the mbp 13 2015. It should be a bit higher. I am afraid that apple has started to throttle non blackmagic cards, unless i do something wrong.

A. 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Razer Core X, Nitro+ RX5700 xt 8Gb, LG 32UK550
Mac OS Catalina 10.15.2, Ext SSD Windows 10 1903 V1 .295

B. 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Gigabyte Gaming Box RX580 8Gb, Mac OS Catalina 10.15.2, Ext SSD Windows 10 1803

C. 3.1 GHz I7, 16Gb, 1TB MBP 13 2015 TB2 , EGPU Gigabyte Gaming Box RX580 8Gb


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