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[SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

CaseySJ

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Asus Z690 ProArt Creator
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@jleahy2,

Thank you for the feedback! Ball is back in @PTuser's court now...
 
Joined
Jul 15, 2019
Messages
172
Motherboard
Gigabyte Z390 Designare
CPU
i7-9700K
Graphics
Sapphire RX580 Pulse 8GB
Mac
  1. MacBook Pro
Mobile Phone
  1. Android
I removed my AMD GPU and set Initial Display Output to "IGFX". Then I was able to reproduce the problems you reported, namely:
  • HDMI goes blank midway during boot
  • Screens appear glitchy (screen image chopped up into horizontal stripes)
Running the same experiment with my EFI produced good results. Comparing the two EFI folders, I see that:
  • You are using FakeSMC instead of VirtualSMC
  • You are using EmuVariableUEFI even though you have native NVRAM enabled
Consequently, I've updated your EFI with the latest drivers so please backup the existing EFI folder and try the new one attached below.

I moved my CLOVER and BOOT folders away, pasted yours in and rebooted, and still I get the exact same thing. =/
Any other tips @CaseySJ ?
 

CaseySJ

Moderator
Joined
Nov 11, 2018
Messages
17,951
Motherboard
Asus Z690 ProArt Creator
CPU
i7-12700K
Graphics
RX 6800 XT
Mac
  1. MacBook Air
  2. MacBook Pro
  3. Mac Pro
Classic Mac
  1. Quadra
Mobile Phone
  1. iOS
I moved my CLOVER and BOOT folders away, pasted yours in and rebooted, and still I get the exact same thing. =/
Any other tips @CaseySJ ?
How about a lovely shiny new AMD RX 580 GPU? No more crypto mining price gouging; GDDR5 video memory; less than $150; gazillion times faster than iGPU; supports FreeSync; and none of this black screen stuff... :)
 
Joined
Jul 15, 2019
Messages
172
Motherboard
Gigabyte Z390 Designare
CPU
i7-9700K
Graphics
Sapphire RX580 Pulse 8GB
Mac
  1. MacBook Pro
Mobile Phone
  1. Android
How about a lovely shiny new AMD RX 580 GPU? No more crypto mining price gouging; GDDR5 video memory; less than $150; gazillion times faster than iGPU; supports FreeSync; and none of this black screen stuff... :)

I'm considering that for the Black Friday later this year. It's getting harder to find RX580 cards around here and they are going for around BRL 1600. I think they are being replaced by RX 5500XT (That go for around the same price).
 

CaseySJ

Moderator
Joined
Nov 11, 2018
Messages
17,951
Motherboard
Asus Z690 ProArt Creator
CPU
i7-12700K
Graphics
RX 6800 XT
Mac
  1. MacBook Air
  2. MacBook Pro
  3. Mac Pro
Classic Mac
  1. Quadra
Mobile Phone
  1. iOS
I'm considering that for the Black Friday later this year. It's getting harder to find RX580 cards around here and they are going for around BRL 1600. I think they are being replaced by RX 5500XT (That go for around the same price).
I tested the modified EFI folder again -- some updated observations:
  • Booting with both on-board HDMI and on-board DisplayPort connected at the same time, one or the other display is primary and may switch after boot.
  • A few seconds after boot, the screens glitch (horizontal striping) and a hard boot is needed.
However:
  • If we boot with only 1 video cable connected (either HDMI or DisplayPort) then system boots up normally.
  • Then if we hot plug the other video cable, everything is fine and stable.
Speculation:
  • The special builds of Lilu and WhateverGreen are still a work in progress. It would be best to wait for the official releases, which should be coming very soon.
  • Meanwhile, we can boot with one cable connected and then hot plug the other.
 
Joined
Jul 15, 2019
Messages
172
Motherboard
Gigabyte Z390 Designare
CPU
i7-9700K
Graphics
Sapphire RX580 Pulse 8GB
Mac
  1. MacBook Pro
Mobile Phone
  1. Android
I tested the modified EFI folder again -- some updated observations:
  • Booting with both on-board HDMI and on-board DisplayPort connected at the same time, one or the other display is primary and may switch after boot.
  • A few seconds after boot, the screens glitch (horizontal striping) and a hard boot is needed.
However:
  • If we boot with only 1 video cable connected (either HDMI or DisplayPort) then system boots up normally.
  • Then if we hot plug the other video cable, everything is fine and stable.
Speculation:
  • The special builds of Lilu and WhateverGreen are still a work in progress. It would be best to wait for the official releases, which should be coming very soon.
  • Meanwhile, we can boot with one cable connected and then hot plug the other.
@CaseySJ I guess I'm doomed here, bc that did't work either. If I boot using only the HDMI, it still goes blank right before the login screen. Plugging the DisplayPort (over USB-C) lights up the main monitor, but the secondary is still blank.

Doing the opposite (starting with DP, then HDMI) simply blinks my main screen for a sec or two, but the secondary never lights up.

It's intriguing to me why the exact same hardware produces different results. My Catalina installation no longer has custom kets on /Library/extensions, so this shouldn't happen... BTW, I'm running 10.15.5

Is it possible to downgrade back to Mojave?
Another option is to try and get another DisplayPort monitor. I don't have another USB-C to DP cable, but my U2717D supports DisplayPort daisy chaining, that could work...
 
Joined
May 23, 2019
Messages
244
Motherboard
ASRock Z390 Phantom
CPU
i9-9900K
Graphics
UHD 630
Mac
  1. Mac Pro
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  1. iOS
@CaseySJ I guess I'm doomed here, bc that did't work either. If I boot using only the HDMI, it still goes blank right before the login screen. Plugging the DisplayPort (over USB-C) lights up the main monitor, but the secondary is still blank.

Doing the opposite (starting with DP, then HDMI) simply blinks my main screen for a sec or two, but the secondary never lights up.

It's intriguing to me why the exact same hardware produces different results. My Catalina installation no longer has custom kets on /Library/extensions, so this shouldn't happen... BTW, I'm running 10.15.5

Is it possible to downgrade back to Mojave?
Another option is to try and get another DisplayPort monitor. I don't have another USB-C to DP cable, but my U2717D supports DisplayPort daisy chaining, that could work...

I have a Dell U2720Q connected via HDMI and a Dell U2417H connected via a DP cable to my ASRock z390 with IGPU only. On boot - both monitors light up and display the OpenCore boot menu. Both monitors display loading the apple boot menu - then halfway through the 27 inch (connected via HDMI) goes blank. At the login menu, I restart the 27 inch via the power button and both light up properly. Sleep and wake is normal. I suppose this should also work for you. Here are some settings I use
  • I have an IGPU Multi monitor option in the BIOS that I have set to enable > I personally don't think this does much.
  • Share Memory is 128 MB
  • IGPU Platform ID is 0x07009b3e and using iMac 19.1 sin SMBIOS
  • The frame buffer path has enable HDMI checked and looks like the attached (it will vary for your MB but you get the idea)
PS - DisplayPort daisy chaining only supports screen mirroring in mac's.
 

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Joined
Jun 6, 2020
Messages
58
Motherboard
Gigabyte Z390 Designare
CPU
i9-9900K
Graphics
RX 580
@yosoyoco - thanks for your input - everything working ok with yours?
I did not flash my Titan Ridge, I just used the SSDT-Z390-DESIGNARE-TB3HP-V4 and it is enough to work with my RME UFX + as well as my Apollo satellite OCTO. I use a flashed GC-Alpine Ridge for my Apollo Silver but without SSDT because the hotplug causes a kernel panic with the UAD driver. I just have to reboot to be able to use it. My Orion32 + does not work via Thunderbolt because of the Antelope drivers, so I use it via MADI with the RME UFX +.
 
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