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

CaseySJ

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Any Idea how can I can fix It ?
I tried to Erase and Boot again on the MSR EFI USB Key EFI/BOOT/Bootx64.efi
But can't boot on, I don't know why, it just relog on the F12 screen without Displaying anything.
I double Checked, and formatted the Mother Folder of the USB (PNY in my case) with Mac OS journalised/ GUID.
I tried to plug it from various USB ports.

I will try with another USB Key. (I don't want to use the oneI used to log into The Boot64.efi in the past (because only got 3 USB Keys : 1 with Windows Installer, 2nd with MacOSinstaller, the last PNY one for MSR02).

Thank you.
Bobby,

Because macOS Catalina was recently installed, I think you should do the following:
  • Shutdown the system and flip power switch on PSU to Off.
  • Unscrew and remove the macOS NVMe SSD from lower M2P slot.
  • Flip power back on.
  • Does your computer boot into Windows without any problem?
If Windows does not boot up normally, STOP, and let me know.

However, if Windows boots up normally, then do this:
  • Shutdown the system and flip power switch on PSU to Off.
  • Install macOS NVMe SSD back into lower M2P slot.
  • Insert macOS USB Install Disk.
  • Flip power back on.
  • Press F12 during BIOS Splash Screen to open the BIOS Boot Menu.
  • Select the USB Install Disk.
  • Re-install macOS -- but follow the procedure carefully in Catalina Mini Guide.
    • When macOS installer starts, run Disk Utility and select parent name of the macOS NVMe SSD. If you don't select the parent name, the macOS disk will NOT boot.
    • Format the disk as stated in the Catalina Mini-Guide.
      • Name: Catalina
      • Format: APFS
      • Scheme: GUID Partition Map
    • Now begin the macOS installer.
  • Follow the Catalina Mini-Guide procedure. Whenever computer reboots automatically during installation, you must press F12 and select the USB install disk.
    • But you must select the correct intermediate boot volume from Clover Boot Menu each time the system reboots during installation.
    • Please follow the Catalina Mini-Guide. Print a copy of it on paper if needed.
 

CaseySJ

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Will this work for other motherboards with a TB3 header? Or just the Z390 Designare? Or non Gigabyte motherboards?
The nice thing about this is that it applies to the card itself, so it is independent of the motherboard in which the card is installed. As long as the card has been flashed such that Thunderbolt Bus appears in IORegistryExplorer, then this procedure can be used to construct a proper ThunderboltDROM for that card.
 
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The nice thing about this is that it applies to the card itself, so it is independent of the motherboard in which the card is installed. As long as the card has been flashed such that Thunderbolt Bus appears in IORegistryExplorer, then this procedure can be used to construct a proper ThunderboltDROM for that card.

So it looks to me like it is the same procedure as the Titian ridge? did I miss something? I have a habit of doing things the same way and not following directions if they look the same just want to confirm.

PS no blue dot chip on alpine ridge.
 

CaseySJ

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So it looks to me like it is the same procedure as the Titian ridge? did I miss something?
The procedure is the same but:
  • DROM bytes are different.
  • SSDT is different.
 
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The procedure is the same but:
  • DROM bytes are different.
  • SSDT is different.

See that is the clarification I needed I would have just copied the SSDT I am using with the Titian and changed the bites and I would have been wrong. Maybe Change your guide to highly recommend using the attached SSDT "At least for testing puroposes". Otherwise others just might try to modify their own SSDT and it could turn incorrect results.
 

CaseySJ

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See that is the clarification I needed I would have just copied the SSDT I am using with the Titian and changed the bites and I would have been wrong. Maybe Change your guide to highly recommend using the attached SSDT "At least for testing puroposes". Otherwise others just might try to modify their own SSDT and it could turn incorrect results.
It's okay to modify one's own SSDT. Only ThunderboltDROM (and ThunderboltConfig) matters.
 
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Bobby,

Because macOS Catalina was recently installed, I think you should do the following:
  • Shutdown the system and flip power switch on PSU to Off.
  • Unscrew and remove the macOS NVMe SSD from lower M2P slot.
  • Flip power back on.
  • Does your computer boot into Windows without any problem?
If Windows does not boot up normally, STOP, and let me know.

However, if Windows boots up normally, then do this:
  • Shutdown the system and flip power switch on PSU to Off.
  • Install macOS NVMe SSD back into lower M2P slot.
  • Insert macOS USB Install Disk.
  • Flip power back on.
  • Press F12 during BIOS Splash Screen to open the BIOS Boot Menu.
  • Select the USB Install Disk.
  • Re-install macOS -- but follow the procedure carefully in Catalina Mini Guide.
    • When macOS installer starts, run Disk Utility and select parent name of the macOS NVMe SSD. If you don't select the parent name, the macOS disk will NOT boot.
    • Format the disk as stated in the Catalina Mini-Guide.
      • Name: Catalina
      • Format: APFS
      • Scheme: GUID Partition Map
    • Now begin the macOS installer.
  • Follow the Catalina Mini-Guide procedure. Whenever computer reboots automatically during installation, you mustpress F12 and select the USB install disk.
    • But you must select the correct intermediate boot volume from Clover Boot Menu each time the system reboots during installation.
    • Please follow the Catalina Mini-Guide. Print a copy of it on paper if needed.
Thank you again for taking the time to Answer me.
I tried to Boot again in the MSR EFI USB key to activate MSR02, with another USB key. Still can"t. Any Idea Why ? The bios is setup as you advise in the previous Post. I double Checked everything, and everything is in the right place.

I can Boot On windows and USB MacOs Installer However.

I wanted to know if there was any way to fix it without reinstalling everything up.
By the way I have a second exact Hardware config which will be for my brother. This second config is not installed yet. Can I try to boot directly by putting the SSD into the other Hardware ?
Thank you
 
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I have also noticed poorer performance testing on Catalina vs Mojave (this includes various mobos too).

I have no idea if this is related, but I've been dealing with a warning on Catalina startup that effectively says my computer is running on UPS backup battery. There is no UPS. I now realize that this error is due to the Corsair Commander PRO being accidentally recognized as a Commander Pro battery backup unit. (It is connected to an NZXT USB-2 hub, which in turn is connected to the USB2 mobo header.)

I'm having the same problem - did you ever find a solution?
Thanks!
 
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@Elias64Fr,

I would like to create a Thunderbolt DROM Micro-Guide for GC-Alpine Ridge. The DROM inside the firmware is as follows:

View attachment 455516
Code:
AD100000 00000086 8020A1E3 C9006600
ED001980 01010881 80028000 00000882
90018000 00000883 80048001 00000884
90038001 000002C5 0B866001 00640000
00000003 87800588 00000002 C9058A50
000002CB 02CC0B01 47494741 42595445
00120247 432D414C 50494E45 20524944
474500

The DROM extraction I got from my GB-Alpine Ridge card was similar, but a little different than yours:

Code:
71000000 000000ED 001E00A6 16016A00
ED0019C0 02010881 80028000 00000882
90018000 00000883 80048001 00000884
90038001 000002C5 0B862001 00640000
00000003 87800588 50400005 89500000
058A5000 00058B50 40000B01 47494741
42595445 00120247 432D414C 50494E45
20524944 47450000

Maybe organized like this:

71
00000000 0000ED00
1E00A616
016A00ED 0019C002 01
0881 80 02 80 00 0000
0882 90 01 80 00 0000
0883 80 04 80 01 0000
0884 90 03 80 01 0000
02C5
0B86 20 01 00640000 0000000
387 80
0588 504000
0589 500000
058A 500000
058B 504000
0B014749 47414259 544500
120247 432D414C 50494E45 20524944 47450000
 
Last edited:
Joined
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It's okay to modify one's own SSDT. Only ThunderboltDROM (and ThunderboltConfig) matters.

Ok I will check it out this evening after I get threw my work for the afternoon.
 
Last edited:
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