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(@massimo_franzese)
Trusted Member
Joined: 4 months ago
 

Yes purple lines on boot with DisplayPort continue

Remember to update with the eGPU disconnected...

Mac Mini 2018 3.2 Ghz 6 cores
Razer Core X enclosure with Sapphire Vega 64 Nitro
Benq PD2720U


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Mini i5
(@mini-i5)
Reputable Member
Joined: 7 months ago
 

More info here:

https://support.apple.com/en-us/HT210642

2018 Mac Mini i5 / 6-core 3.0-4.1 Ghz / 32GB / 256GB / Intel UHD 630 / PowerColor Gaming Station / PowerColor dual-fan RX5700 XT / Mac OS 10.15.4 Catalina / Windows 1809 / LG 27" 4K display


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itsage
(@itsage)
Illustrious Member Admin
Joined: 3 years ago
 

10.15.3 has drivers and support for an upcoming Radeon Pro cards, W5500 and W5500M. There's a leak yesterday about Radeon Pro W5500's MSRP around $399. It has a USB-C monitor output similar to W5700.

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


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ikir
 ikir
(@ikir)
Prominent Member
Joined: 3 years ago
 
Posted by: @massimo_franzese

Yes purple lines on boot with DisplayPort continue

Remember to update with the eGPU disconnected...

If installed with eGPU disconnected, will black boot screen gone after replugging it?


MacBook Pro 2018 Touch Bar i7 quad-core 2.7Ghz - 16GB RAM - 512GB PCIe SSD
my awesome Radeon VII eGPU
my Mantiz Venus extreme mod with Sapphire Nitro+ RX Vega 64


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(@massimo_franzese)
Trusted Member
Joined: 4 months ago
 

@ikir

No it boots from off 100% of time still purple screen and a little apple 

 

Restarts may fail

Mac Mini 2018 3.2 Ghz 6 cores
Razer Core X enclosure with Sapphire Vega 64 Nitro
Benq PD2720U


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(@matt_melanson)
New Member
Joined: 2 months ago
 

@ikir

I just updated with my egpu disconnected and I still get the black screen on boot. In my case it didn't solve the issue at all.

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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viciousmoth
(@viciousmoth)
Active Member
Joined: 6 months ago
 
Posted by: @chillicillin

@itsage has posts detailing this trick to ensure easy cold boot for the setup both you and I have.

 

- Mac Mini to eGPU via TB3 (ENSURE THAT THE PLUG USED IS THE ONE CLOSEST TO THE ETHERNET PORT, NOT THE HDMI)

Hi, I was in search of figuring out why my Mac Mini 2018 will restart or cold boot OSX to a black screen 50% the time (Mac to eGPU to monitor), but this post caught my eye because I have been using the TB3 closest to the HDMI for a couple months now. Besides my black screen issue, it seems to be working just fine in OSX and Bootcamp Windows, but could you please explain to me why the TB3 closest to ethernet is better to use?

What's strange is I thought the one closest to HDMI is preferred, as others said in this thread: https://egpu.io/forums/builds/2018-mac-mini-8th6cb-radeon-vii-32gbps-tb3-razer-core-x-macos-10-14-6-win10-ttamnogard/#post-65066

I guess I'm now trying to figure out if using one side of TB3 ports is preferred (performance-wise) over the other. I assumed the 2 TB3 controllers for 4 ports meant an equal distribution, so it didn't matter. But I'm probably missing something, so it's probably a more complicated answer where which TB3 port to use may depend on what and how you're trying to boot. Or things can be so finicky, if something works outside of norm, just stick to it. Just trying to make sure we all have things setup as best as we can, thank you.

 

 

This post was modified 2 months ago

Mac Mini (2018) 3.2 Ghz 6-core i7, 32GB Ram, 500gb SSD
Enclosure: Razer Core X - GPU: Sapphire Radeon Nitro+ 5700 XT Monitor: BenQ EW3270U


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Chillicillin
(@chillicillin)
New Member
Joined: 2 months ago
 

@viciousmoth

 

Hello. The requirement for plugging into the port closest to the Ethernet has to do with the two sets of pcie controllers. I don’t know the complicated bits, but the gist of it is that there’s more resources allocated to the pair of TB3s closer to the Ethernet port. The main reason for plugging into the closest port to Ethernet is to avoid Error 12 in windows which occurs very often for AMD cards. Which port you ultimately use will depend on your card and setup. Can @itsage confirm this?

 

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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viciousmoth
(@viciousmoth)
Active Member
Joined: 6 months ago
 

@chillicillin Thanks so much for the reply, I appreciate it.

 

Mac Mini (2018) 3.2 Ghz 6-core i7, 32GB Ram, 500gb SSD
Enclosure: Razer Core X - GPU: Sapphire Radeon Nitro+ 5700 XT Monitor: BenQ EW3270U


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