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How to build your own iMac Pro [Successful Build/Extended Guide]

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Jun 30, 2018
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Motherboard
ASUS PRIME X299 DELUXE
CPU
Intel i9 7940X
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Asus Rog 1080 Ti GTX
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iMac, MacBook Pro
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iOS
Cheers @rugula
If I end up going Vega cards, can i just swap the hardware on my current build and switch over the driver on next boot up (within High Sierra)? Or is it a little more complicated than that?
 
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MSI H81M-P33
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i5-4670
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GTX 750
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Forgot to mention: this page says that a GTX 680 card would also work with Mojave, if you were willing to downgrade to an older GPU:
Vega cards are natively supported in Mojave, so simply swap hardware and should work okay.
 

kgp

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ASUS WS X299 Sage 10G
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i9-7980XE
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Vega 64
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iMac, MacBook Pro, Mac mini
Mobile Phone
iOS
Forgot to mention: this page says that a GTX 680 card would also work with Mojave, if you were willing to downgrade to an older GPU:
Vega cards are natively supported in Mojave, so simply swap hardware and should work okay.
@nathanaelweir,

You should really read my respective guidelines. BTW.. these are the guidelines for 10.14: https://www.tonymacx86.com/threads/imac-pro-x299-live-the-future-now-with-macos-10-14-mojave-successful-build-extended-guide.255082/#post-1769074. Most Vegas won't be correctly implemented without WEG.kext and one of the respective SSDTs provided in the Github library, which are mandatory for properly implementing all Vega DP1.4 and HDMI ports and for providing Display HotPlug and sleep/wake functionality.
 
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Joined
Nov 4, 2018
Messages
13
Motherboard
ASUS X299 DELUXE
CPU
i9-7920X
Graphics
GTX 1080 Ti
Hi Guys,
No Thunderbolt Hotplug. THB EX3 card well implemented. Hotplug under windows. Ok in Mac OS high sierra 13.6 if connected before booting. Impossible after. I try with differents thunderbolt cables and adapters. Nothing !!!!
Maybe something wrong in my Bios 1503 with power management ?
Any idea ?
Best.
 

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kgp

Retired
Joined
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Messages
6,902
Motherboard
ASUS WS X299 Sage 10G
CPU
i9-7980XE
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Vega 64
Mac
iMac, MacBook Pro, Mac mini
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iOS
Hi Guys,
No Thunderbolt Hotplug. THB EX3 card well implemented. Hotplug under windows. Ok in Mac OS high sierra 13.6 if connected before booting. Impossible after. I try with differents thunderbolt cables and adapters. Nothing !!!!
Maybe something wrong in my Bios 1503 with power management ?
Any idea ?
Best.
I repeatedly outlined that the TBEX 3 is the less reliable TB adapter not only in terms of HotPlug.

391173


With the GC-Titan Ridge on the ASUS Prime Deluxe, you will just face issues on wake with TB devices connected during sleep, while HotPlug else works fine and reliable. With the GC-Titan Ridge on the ASUS WS X299 Sage 10G you will not even face issues with TB devices connected during sleep, given the respective user feedback.

Else the GC-Alpine Ridge would be also a thinkable alternative to be used with the ASUS Prime X299 Deluxe.
 
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Motherboard
ASUS X299 DELUXE
CPU
i9-7920X
Graphics
GTX 1080 Ti
Thanks for your reply but reading your guide and informations you gave to users, I thought you had success with this card and the Thunderbolt Hotpug. I'am going to buy the Titan Ridge.
Anyway, thanks for your guide KPG, my machine turns really well !
Best.
 

kgp

Retired
Joined
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Motherboard
ASUS WS X299 Sage 10G
CPU
i9-7980XE
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Vega 64
Mac
iMac, MacBook Pro, Mac mini
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iOS
Thanks for your reply but reading your guide and informations you gave to users, I thought you had success with this card and the Thunderbolt Hotpug. I'am going to buy the Titan Ridge.
Anyway, thanks for your guide KPG, my machine turns really well !
Best.
Partial success, yes.. unfortunately the TBEX 3 turned out to be very problematic, unstable and unreliable, when compared with the GC-Titan Ridge or GC-Alpine Ridge and therefore I am not using the primer anymore on my systems.
 
Joined
Nov 1, 2014
Messages
113
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Asus Rampage VI Apex
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i9-9980XE
Graphics
Radeon VII
Mac
MacBook Pro, Mac Pro
Mobile Phone
iOS
Hi kgp

How are you?

I want to check with you please
If I remove the VEGA F.E from my computer
And connects in place GTX 1080ti

And instead of installing Mojave, I install High Sierra

Today nvdia's drivers work well?

I really do not like how VEGA F.E works for me in the system
Every computer is stable and works wonderfully .... Just a graphics card makes me especially trouble working at FCPX

My hardware
Motherboard: Asus Rampage VI Apex
CPU: i9-9980XE
Graphics: Vega F.E. (or 1080 ti)
64gb Ram @3000
 
Joined
Dec 7, 2017
Messages
132
Motherboard
MSI H81M-P33
CPU
i5-4670
Graphics
GTX 750
Mobile Phone
Android
Most Vegas won't be correctly implemented without WEG.kext and one of the respective SSDTs provided in the Github library, which are mandatory for properly implementing all Vega DP1.4 and HDMI ports and for providing Display HotPlug and sleep/wake functionality.
There would at least be a visible desktop, were you to simply power off, swap out the nVidia card & replace with a Vega card, then re-boot while still running High Sierra, no? Then do an in-place O.S. upgrade to Mojave. Leaving fine tuning of extra features for afterwards.
 

kgp

Retired
Joined
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Messages
6,902
Motherboard
ASUS WS X299 Sage 10G
CPU
i9-7980XE
Graphics
Vega 64
Mac
iMac, MacBook Pro, Mac mini
Mobile Phone
iOS
There would at least be a visible desktop, were you to simply power off, swap out the nVidia card & replace with a Vega card, then re-boot while still running High Sierra, no? Then do an in-place O.S. upgrade to Mojave. Leaving fine tuning of extra features for afterwards.
Sure, of course, although maybe not all ports will be functional without WEG.kext and SSDT. Thus one just needs to connect the display to one of the working ports.
 
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