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

CaseySJ

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@CaseySJ I did not have SSDT-DTPG.aml in my OC/ACPI folder, but I had tried it previously as I recall.

I used your attached version, rebooted and Big Sur still would not boot.

We got a bit further though - see image.
View attachment 503745
Posting IOREG with eGPUs connected (from Catalina Backup) along with this screenshot of System Information --> Thunderbolt
View attachment 503746

Also posting my DSDT.aml if it helps!
Ah, your PCI bus base path is PC00 instead of PCI0. Please try the attached modified Thunderbolt SSDT. Ensure that SSDT-DTPG.aml is still enabled.
 

Attachments

  • SSDT-TB3-HackinDROM.aml
    6.1 KB · Views: 6

CaseySJ

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Heck yeah let's do it for science!

here is the info:
OS X 10.13.6
Opencore 0.6.4

And attached are the files

Thank you!

Working on it now. Meanwhile, please also post the DSDT.aml file from the same export folder.
I've created the Thunderbolt Bus SSDT, but it will not work yet. Please post DSDT.aml as requested above so I can create a required ACPI rename patch.
 
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Working on it now. Meanwhile, please also post the DSDT.aml file from the same export folder.
Here you have, thank you for your help sir
 

Attachments

  • DSDT.aml
    211.6 KB · Views: 4
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Ah, your PCI bus base path is PC00 instead of PCI0. Please try the attached modified Thunderbolt SSDT. Ensure that SSDT-DTPG.aml is still enabled.
Thanks @CaseySJ. I’ve implemented that and it’s still not booting. The attached image shows some new messages.

Also attached is an image of my TB BIOS settings.
 

Attachments

  • AE916C9B-7DA9-45A5-8BC3-06A8E98956C9.jpeg
    AE916C9B-7DA9-45A5-8BC3-06A8E98956C9.jpeg
    4.3 MB · Views: 12
  • C4CE1DCC-7DC5-4A92-B152-B5EB42AD32CD.jpeg
    C4CE1DCC-7DC5-4A92-B152-B5EB42AD32CD.jpeg
    1.9 MB · Views: 12

CaseySJ

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Here you have, thank you for your help sir
Okay please try the following:
  • Disable or remove any previous Thunderbolt SSDT.
  • Copy the two attached files to the OpenCore OC/ACPI folder and add entries for them in ACPI section of config.plist :
    • SSDT-TbtOnPch-GA-X99-SLI.aml
    • SSDT-DTPG.aml
  • Then add the following two ACPI renames in ACPI --> Patch section of OpenCore Configurator:
    • Patch 1:
      • TableSignature: DSDT
      • Find: 42523142 085F4144 520C0100 01005B80 4D43544C 000C8881 00E00A04 5B81134D 43544C01 00034847 50450100 07000800 08140D5F 494E49
      • Replace: 42523142 085F4144 520C0100 01005B80 4D43544C 000C8881 00E00A04 5B81134D 43544C01 00034847 50450100 07000800 08140D58 494E49
      • Comment: BR1B._INI --> BR1B.XINI
      • Count: 1
      • Enabled: Check on
    • Patch 2:
      • TableSignature: DSDT
      • Find: 5F 45 31 36
      • Replace: 58 45 31 36
      • Comment: _E16 --> XE16
      • Count: 1
      • Enabled: Check on
It should look like this:
Screen Shot 2021-01-03 at 4.43.53 PM.png
Then reboot and post the following files:
  • IOReg (IORegistryExplorer --> File --> Save As...)
  • Screenshot of System Information --> Thunderbolt
 

Attachments

  • SSDT-TbtOnPch-GA-X99-SLI.aml
    5.1 KB · Views: 5
  • SSDT-DTPG.aml
    100 bytes · Views: 5

CaseySJ

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Thanks @CaseySJ. I’ve implemented that and it’s still not booting. The attached image shows some new messages.

Also attached is an image of my TB BIOS settings.
Please post your System DSDT. See this post for instructions:
 
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Attachments

  • DSDT.aml
    264.8 KB · Views: 2

CaseySJ

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Something may be wrong in your OpenCore configuration. Please make a copy of your EFI folder, then compress and post that folder. You may remove Product Serial Number from PlatformInfo section of config.plist prior to compressing and posting.
 
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Here it is.
 

Attachments

  • EFI.zip
    3.2 MB · Views: 4

CaseySJ

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Here it is.
The EFI configuration looks fine. Does Big Sur boot if you disable the Thunderbolt SSDT in config.plist?

Right now my suspicion is that you may be missing a SSDT that is necessary for Big Sur, but is unrelated to Thunderbolt.
 
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