GUIDE How to Flash Custom Firmware on Thunderbolt Card for macOS

Cliff8410

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As in record a video of it enabled and then it disabled on my phone and upload?
 

EliteMacx86

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As in record a video of it enabled and then it disabled on my phone and upload?
Yes, correct. If the file size exceeds, use Google Drive or WeTransfer.
 

Cliff8410

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Joined
Dec 14, 2021
Messages
34
Motherboard
Gigabyte z490 Vision D
CPU
10850k
Graphics
R9 280
OS X/macOS
12.0.x
Bootloader
  1. OpenCore
Mac
  1. iMac
Mobile Phone
  1. iOS
Yes, correct. If the file size exceeds, use Google Drive or WeTransfer.
Sorry just getting back now.

I flashed back the original Firmware and I get INSTANT boot. Thunderbolt is working perfect other than missing the info under system information.

It is an issue with the custom firmware that is causing the delay in boot.

Does anyone have any idea how to edit the custom firmware to try and fix this?

Cliff
 

EliteMacx86

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Staff member
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Messages
3,861
Motherboard
Supermicro X11SPA-T
CPU
Intel Xeon W-3275 28 Core
Graphics
2xAMD RX 580 8GB
OS X/macOS
11.0.x
Bootloader
  1. OpenCore
Mac
  1. Mac mini
  2. MacBook Pro
Mobile Phone
  1. Android
  2. iOS
Sorry just getting back now.

I flashed back the original Firmware and I get INSTANT boot. Thunderbolt is working perfect other than missing the info under system information.

It is an issue with the custom firmware that is causing the delay in boot.

Does anyone have any idea how to edit the custom firmware to try and fix this?

Cliff
No idea as the log is not provided. If the stock firmware is working for you, better to use that.
 

Cliff8410

Member
Joined
Dec 14, 2021
Messages
34
Motherboard
Gigabyte z490 Vision D
CPU
10850k
Graphics
R9 280
OS X/macOS
12.0.x
Bootloader
  1. OpenCore
Mac
  1. iMac
Mobile Phone
  1. iOS
No idea as the log is not provided. If the stock firmware is working for you, better to use that.
Yes correct, with the flashed firmware you get more cosmetic info and the ability to do thunderbolt bridge which I will never use.

The stock firmware lets the machine post instantly. Much better for me especially when tweaking with EFI settings from time to time and not have to wait extra time due to the slower boot with the custom firmware.
 

EliteMacx86

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3,861
Motherboard
Supermicro X11SPA-T
CPU
Intel Xeon W-3275 28 Core
Graphics
2xAMD RX 580 8GB
OS X/macOS
11.0.x
Bootloader
  1. OpenCore
Mac
  1. Mac mini
  2. MacBook Pro
Mobile Phone
  1. Android
  2. iOS
Yes correct, with the flashed firmware you get more cosmetic info and the ability to do thunderbolt bridge which I will never use.

The stock firmware lets the machine post instantly. Much better for me especially when tweaking with EFI settings from time to time and not have to wait extra time due to the slower boot with the custom firmware.
Yes, that's right. Custom firmware is only required if you're not able to HotPlug the TB Devices, Normally, with correct HotPlug implementation, you can have HotPlug with stock firmware.
 

Cliff8410

Member
Joined
Dec 14, 2021
Messages
34
Motherboard
Gigabyte z490 Vision D
CPU
10850k
Graphics
R9 280
OS X/macOS
12.0.x
Bootloader
  1. OpenCore
Mac
  1. iMac
Mobile Phone
  1. iOS
Yes, everything else including hot-plug is working.

Now I just need to figure out how many Hackintosh can make the coffee.

Mark this solved,

Thanks for all you guys do!
 

EliteMacx86

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Staff member
Joined
Jul 22, 2018
Messages
3,861
Motherboard
Supermicro X11SPA-T
CPU
Intel Xeon W-3275 28 Core
Graphics
2xAMD RX 580 8GB
OS X/macOS
11.0.x
Bootloader
  1. OpenCore
Mac
  1. Mac mini
  2. MacBook Pro
Mobile Phone
  1. Android
  2. iOS
Yes, everything else including hot-plug is working.

Now I just need to figure out how many Hackintosh can make the coffee.

Mark this solved,

Thanks for all you guys do!
Perfect. Sure :)
 

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