Asus x670e-i Shuts Down Abruptly When Using Thunderbolt Devices via USB 4

[loup]

I built my PC with the following components:

• Motherboard: Asus ROG x670e-i
• CPU: Ryzen 7 7800x3d
• GPU: RTX 4080 Super FE
• RAM: Kingston Fury Beast 64GB 6000MHz CL36 AMD EXPO
• PSU: Corsair SF750
• Low-profile air cooler
• Case: Formd T1 (+ 2x Phanteks T30 fans)

I specifically chose this motherboard for its Thunderbolt support to switch all my peripherals between my gaming PC and my MacBook Pro. Here is my setup:

Gaming PC:

• PSU to power outlet
• USB 4.0 to Caldigit TS4+ hub:
  • 360Hz monitor (DisplayPort port)
  • 75Hz monitor (USB-C port)
  • Audio interface UAD Apollo x4 Thunderbolt 3 (Thunderbolt 4 port)

So, I have only one Thunderbolt 4 cable connected to my PC.

However, the computer has crashed several times, shutting down abruptly as if unplugged. After each crash, the audio interface connected via Thunderbolt stops working, and I struggle to restart the computer. When the computer crashes, I cannot restart it using the power button. I have to reset the CMOS to get it to boot again.

Crashes occur when the PC is under load. For example, watching YouTube videos is fine, but playing a game causes a crash. To diagnose the issue, I used "userdiag". Running userdiag in extreme mode with my Thunderbolt setup, the computer crashes within minutes. Running the same test with no Thunderbolt devices connected (only a monitor via DisplayPort and a keyboard and mouse directly to the motherboard) completes successfully: userdiag report.

Thus, the problem seems to be related to Thunderbolt. Is this due to a defective motherboard or an issue with Thunderbolt support on AMD platforms? The motherboard is still under warranty and can be returned to Amazon. What should I do?

Thank you for your assistance.

[loup]

Hello @Jiaszzz_ROG , sorry, I ended up returning the card just before the deadline because I can't afford to keep it if Thunderbolt doesn't work. I bought the ROG Strix Z790-i, which is supposed to be fully compatible with Thunderbolt 4, even though I still maintain that the ROG Strix X670e-i (minimum Thunderbolt 3) should also be compatible. For the tests, I remember the results:

1. It crashes with Thunderbolt hardware with PCIe tunneling, and it doesn't crash if there's no PCIe tunneling but still with Thunderbolt 4 hardware (there are bugs with Thunderbolt hardware).
2. No, it crashes hard only if there's PCIe tunneling, but otherwise, there are just instabilities with Thunderbolt hardware.

Sorry, I can't provide any images or videos because I no longer have the card.

[Jiaszzz_ROG]

Hello, @achugh 
When anomalies occur and further verification of drivers or BIOS versions is necessary, please refrain from recommending other users install drivers or BIOS from different products or third-party sources. 
Cross-testing different versions is the more appropriate approach.

Thank you for your cooperation.

[achugh]

Hi @Jiaszzz_ROG , my suggestion was on the lines of cross testing things as the driver was issued by ASUS for the same chip but I get your point. It was a troubleshooting attempt and a general recommendation to take this approach.

[Hondoo]

Hello.  

I am having the EXACT issue with a ProArt X570-Creator WiFi MB.   CMOS reset and all. 

I am trying to get an LTO drive to work, and they are saying this is a OS to driver issue with the board.   The difference is my board is supposed to be an actual Thunderbolt 4 board.  I hope Asus can step in here and maybe fix my issue and, indirectly, yours. 

[loup]

Hey @Hondoo , unfortunately, I've given up; I'm switching to Intel with the ROG Strix Z790-i to see if it works at least...