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The everything works Asus Z390-I Gaming * i7-8700K * SAPPHIRE NITRO+ Radeon RX Vega 64 Build

Joined
Aug 30, 2018
Messages
1,466
Motherboard
Asus ROG Strix Z390 I-Gaming
CPU
i7-8700K
Graphics
Vega 64
Mac
  1. MacBook
Classic Mac
  1. 512K
  2. iMac
Mobile Phone
  1. iOS
I tried this EFI with F11 at Clover screen. But even with added agdpmod=pikera and deleted RadeonBoost.kext, I cannot boot to it. There is progress bar, but, after that, I just get a black screen, and my monitor automatically set to standby mode.

Here you go. The RadeonBoost Kext is still in there but DISABLED, no need to delete it, doesn't work like Clover. I suggest you get Clover working because it has a lot of tools and support.
 
Joined
Jun 14, 2011
Messages
176
Motherboard
ROG Strix Z390-I Gaming
CPU
i7-8700K
Graphics
Vega 64
Here you go. The RadeonBoost Kext is still in there but DISABLED, no need to delete it, doesn't work like Clover. I suggest you get Clover working because it has a lot of tools and support.

There may be an issue with the new RadeonBoost.kext in my latest EFI. I am validating now and will post when fixed.
Im having the same issue. I've tried your most recent DGPU-EFI, and added agdpmod=pikera, and deleted RadeonBoost.kext, and monitor still turns off after apple logo.

Is there a solution using opencore? if so, do you have a guide on how to do it?
 
Joined
Aug 30, 2018
Messages
1,466
Motherboard
Asus ROG Strix Z390 I-Gaming
CPU
i7-8700K
Graphics
Vega 64
Mac
  1. MacBook
Classic Mac
  1. 512K
  2. iMac
Mobile Phone
  1. iOS
Hi ModMike,

You're guide works great, I followed it for my Mojave build, and then updated it to Catalina and rebuilt :)
Only modification I had to make was to inject my Ethernet adapter & some black magical to get iMessages working :D

I'm having a few issues that I'm struggling to fix (Specs in Profile are up to date and correct)
1/ After a Reboot or Shutdown BIOS detects a POST failure and forces safe mode
2/ Very very low resolution when booting via OpenCore when decrypting via FileVault
3/ This only happens with OpenCore, and not with Clover, the primary monitor that I use to enter FileVault password doesn't work after macOS loads, to get it to work, I have to power off & back on the monitor for it too work, I suspect that this is related to 2/ and something to do with resolution changing between the splash screen and when the OS is booted

Please download the latest version of either Clover or OpenCore, they both fix the error on post.
 
Joined
Aug 30, 2018
Messages
1,466
Motherboard
Asus ROG Strix Z390 I-Gaming
CPU
i7-8700K
Graphics
Vega 64
Mac
  1. MacBook
Classic Mac
  1. 512K
  2. iMac
Mobile Phone
  1. iOS
Im having the same issue. I've tried your most recent DGPU-EFI, and added agdpmod=pikera, and deleted RadeonBoost.kext, and monitor still turns off after apple logo.

You don't need agdpmod=pikera for a 580. Never used it until the RX-5700. Are you using Clover or OpenCore?
 
Joined
Sep 23, 2016
Messages
69
Motherboard
Asus Z390
CPU
i9-9900K
Graphics
RX 580

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Joined
Aug 30, 2018
Messages
1,466
Motherboard
Asus ROG Strix Z390 I-Gaming
CPU
i7-8700K
Graphics
Vega 64
Mac
  1. MacBook
Classic Mac
  1. 512K
  2. iMac
Mobile Phone
  1. iOS
Im having the same issue. I've tried your most recent DGPU-EFI, and added agdpmod=pikera, and deleted RadeonBoost.kext, and monitor still turns off after apple logo.

Is there a solution using opencore? if so, do you have a guide on how to do it?

Its different for Clover, delete the RadeonBoost.kext in the kext folder and retry. There is an OpenCore EFI attached to the guide, just use as is.
 
Joined
May 31, 2013
Messages
380
Motherboard
ASUS ROG Strix Z390-I Gaming
CPU
i9-9900K
Graphics
5700 XT
I'm not using the 580 anymore. I have an Asus Vega 64
Everything should work out of the box for you without any changes. If it does not work, then you are doing something wrong. There are no miracles.
 
Joined
Aug 30, 2018
Messages
1,466
Motherboard
Asus ROG Strix Z390 I-Gaming
CPU
i7-8700K
Graphics
Vega 64
Mac
  1. MacBook
Classic Mac
  1. 512K
  2. iMac
Mobile Phone
  1. iOS
I'm not using the 580 anymore. I have an Asus Vega 64

Can you please update your build specs? I can’t keep track of all the configs.

So you tried my latest Clover EFI As is and it wouldn’t boot? It works perfect for me and looks like we have identical systems.

I updated it yesterday around 9:00 pm, is that the one you got? Dated yesterday?
 
Last edited:
Joined
Aug 30, 2018
Messages
1,466
Motherboard
Asus ROG Strix Z390 I-Gaming
CPU
i7-8700K
Graphics
Vega 64
Mac
  1. MacBook
Classic Mac
  1. 512K
  2. iMac
Mobile Phone
  1. iOS
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