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

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I'm not sure where to change this? I looked in CloverConfig -> Devices, and I see the ig-platform-id under Properties, but it says "0300983E". I don't see any mention of a Platform ID anywhere in the AMD GPU config that I'm using from the mini-catalina guild. Am I missing something?
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You found the right place. The Platform ID is entered in reverse byte order so 0300983E is actually 3E980003 backwards.

So simply change that value to 0300923E.
 
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Thank you CaseySJ for this additional build guide.
codyqx4, did you pick the K version due to limited supply of the KS models?

The KS didn't exist when I got the K, and I got the K because it was both the best CPU this board could take, as well as a CPU actually used in real macs.
 
You found the right place. The Platform ID is entered in reverse byte order so 0300983E is actually 3E980003 backwards.

So simply change that value to 0300923E.

Excellent! Thank you! I will do this, and maybe it will help with the Stability a bit. I'll report back when I have updates regarding it! :)

I will change it back to "0300983E" when I upgrade to the i9.
 
@CaseySJ
Hi guys! Yesterday I tried a new fresh installation with this giude. Everything went well and Apple TV+ is working w/o issues. BUT today I had three freezes already. I tried shikigva=16 and removed shiki id and agdpmod=pikera. The problem still remains, and, when I go afk for a few minutes and come back, the system isn't responding at all. When I was with Mojave, I didn't have any issue at all with CaseySJ's guide. Also, when I upgraded to Catalina, I didn't have any freezes. With the fresh installation guide my system is freezing very often. Any suggestions.
 

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Hi guys, yeasterday I tried a new fresh installation with this giude. Everything went well and Apple TV+ is working w/o issues. BUT today I had three freezes already. I tried shikigva=16 and removed shiki id and agdpmod=pikera. The proble is still remains and when i go afk for a few minutes and come back, the system isn't responding at all. When I was with Mojave I didn't have any issue at all with CaseySJ's guide. Also when I upgraded to Catalina I didn't have any freezes also. With the fresh installation guide my system is freezing very often. Any suggestions.
This initially seemed like a few isolated incidents, but maybe there's more to it. I'll do a fresh install in about a day or two and see if I can reproduce the problem.

Meanwhile, the usual things to try:
  • Add "Boot Argument" -wegoff to temporarily disable WhateverGreen. This will affect your HDMI/DP ports, so physically move the video cable to different ports until you find a port that works.
  • Update to WhateverGreen 1.3.6 (and remove -wegoff flag).
  • Look at this guide for DRM content and shikigva settings.
  • One may also try OpenCore by installing the OpenCore EFI onto a USB flash disk (as a temporarily/test solution).
 
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So this is new.
Dont know when exactly it happened as it didnt show status as unavailable until I did a refresh. :/
Not sure if this is an OpenCore Issue, a SSDT issue or what.



Screen Shot 2020-01-20 at 12.24.07 PM.png


My boot args are:
slide=0 keepsyms=1 dart=0 alcid=11 shikigva=16 agdpmod=pikera
 
I use an i9-9900K and no problems with this build. If anything it probably is less likely to have issues as the iMac19,1 uses an i9-9900K.

I don't know about the 9900KS variant though.
9900KS runs fine in my Z390 Aorus Pro. Idles at 4.1GHz 26C and turbos across all cores to 5GHz. No issues.

Thanks for the idea of doing a clear_CMOS by shorting the motherboard pins to reset the memmap as I now have the iGPU loaded consistently alongside the 5700XT
 
No issues here in Mojave with latest updates, my only gripe was with USBinjectAll 074 messed my system ( seems it was a bogus release it's not available anymore)

For those who are interested, my update routine is to take things in stages. Since I've been reading this thread you see so many issues which can be tied to one specific thing. So, being a developer, you only test one thing at at time. I start with updating just Lilu and Weg, then restart. Then repeat the process with AppleALC and then do it with VirtualSMC.

The last thing I try is something like USBInjectAll. The reason for this is that either Lilu or Weg are more likely to have updates that might impact your machine. For things like USB mapping @CaseySJ has pretty much solved that for this board. So, unless there is something in the docs of the release which gives you good reason to update it, I hold off.

So, now you're wondering, where do I see the docs for the new release of each kext. Hackintool is your friend!

Go to the Installed section then right-click on the URL section. You can then look at the release notes on the Github page for each release. Hope this helps with those learning.
 

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