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

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I think it would be easier to follow the Catalina 10.15.4 Mini-Guide, but instead of downloading the Catalina installer, just download the Mojave installer.
So I am getting to work! :) Thank you!
 

CaseySJ

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Thank your sir!!

i'll buy all required components to flash it then.
Please remember to do this (a) carefully, (b) slowly. Follow the Supplemental Procedure to read/write the Winbond flash chip. And ask for help any time you need it.

There are tiny resistors very close to the Winbond chip. If you're not careful, those resistors can come off the board. If that happens, Thunderbolt will not work.

Remember that this procedure carries risk of physical damage. You must assume all liability and responsibility for anything that goes wrong.

Also note that all relevant articles are linked here (see Post #1):

Screen Shot 2020-05-28 at 7.35.34 AM.png
 

CaseySJ

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Messages
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Motherboard
Gigabyte Z490 Vision D
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Classic Mac
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So I am getting to work! :) Thank you!
Just ask for help at any step. The Catalina procedure simplifies a lot of thing. But if there's any confusion about how to download Mojave instead of Catalina, just ask.
 
Joined
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You must assume all liability and responsibility for anything that goes wrong.

I swore sir!

thank you very much again

if you have some affiliated links to buy the components, let me know please
 
Joined
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Is there a Motherboard that will work with this recipe, but will fit in a Fractal Micro-ATX Case, Design C Mini? I just need enough PCI slots for an AVID HDX Card, UAD Quad Card, and an RX580 GPU.
 

CaseySJ

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Joined
Nov 11, 2018
Messages
14,900
Motherboard
Gigabyte Z490 Vision D
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i5-10400
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  1. MacBook Air
  2. MacBook Pro
  3. Mac Pro
Classic Mac
  1. Quadra
Mobile Phone
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To quote a current much overused phrase we've all heard lately: we're all in this together.....

Apple has a history of adding late changes to a release that are not in the Betas.....I really wish they would stop doing that.

I am testing the CCC beta now. Will let you know how it goes.....

EDIT: Before I posted this, last night, I tried SuperDuper, in hopes it was an issue only with CCC. It wasn't and it isn't. SuperDuper backups produced the same issue....so this issue is more widespread than CCC (I don't have a license for SuperDuper, so I'm going with the beta of CCC as that is my long time licensed backup software).
Just made a clean full backup of Z490 Vision D using the beta version of CCC. Works nicely. This is being posted by booting off the backup...
Screen Shot 2020-05-28 at 7.46.21 AM.png
 
Joined
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Just ask for help at any step. The Catalina procedure simplifies a lot of thing.
I thought that is the opposite... :oops:
But if there's any confusion about how to download Mojave instead of Catalina, just ask.
Thank you. I have 10.14.6 downloaded already. As I can see in this thread the fun begins, when it comes to run Thunderbolt devices.. I can't wait.. ;)

Thank you for sharing your time and knowledge!
 
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@CaseySJ @jb007

so, i followed this guide:

and i have the same flasher, mounted the clip to the blue chip and this is the terminal output:

flashrom -p ch341a_spi
flashrom v1.2 on Darwin 19.2.0 (x86_64)
Calibrating delay loop... OK.


libusb: info [darwin_claim_interface] no interface found; setting configuration: 1
Found Winbond flash chip "W25Q80.V" (1024 kB, SPI) on ch341a_spi.
No operations were specified.



flashrom -p ch341a_spi -r OriginalFirmware-BlueChip.bin
flashrom v1.2 on Darwin 19.2.0 (x86_64)

Calibrating delay loop... OK.


Couldn't open device 1a86:5512.


Error: Programmer initialization failed.
 
Joined
May 15, 2020
Messages
960
Motherboard
Gigabyte Z390 Designare
CPU
i9-9900KF
Graphics
RX 5700 XT
Mac
  1. MacBook Pro
Is there a Motherboard that will work with this recipe, but will fit in a Fractal Micro-ATX Case, Design C Mini? I just need enough PCI slots for an AVID HDX Card, UAD Quad Card, and an RX580 GPU.


on Z390 Designare ATX you can if you install your components like this,
but i don't know if you can install a Fenvi BT WiFi PCIE1 card somewhere else than PCIEX1 slots
 

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