X570 Taichi: Thunderb 3 OK, but USB-C causes BSoD

Hi,

I hope I can get assistance troubleshooting this issue here. I KNOW it's not an supported configuration since I'm using EVIL Gigabyte GC-Titan Ridge Thunderbolt AICs with an ASRock motherboard.

The reaseon I'm doing this is because unfortunately the ASRock Thunderbolt 3 AIC only use the outdated first-generation Thunderbolt 3 chipset (Alpine Ridge) whereas the Gigabyte GC-Titan Ridge uses, as the product name suggests the second-generation Titan Ridge chipset. For me this is relevant since only Titan Ridge supports DisplayPort 1.4 connections which I'm actually using.

Configuration details:

- The X570 Taichi is running UEFI version 1.70A
- Gigabyte AIC installed in PCIe slot 5, USB 2.0 and TB Header cables are plugged in, also external mDP connections to GPU
- Thunderbolt is enabled in motherboard?™s UEFI
- Using the latest versions of Win 10 1903 and the Thunderbolt drivers (1.41.648.4)


Additional details:

- 3700X, no overclocking
- 2 x 16 GiB Crucial ECC DDR4-2666
- GPU: Radeon Pro WX8200 in PCIe 1
- 0.5 m mDP-mDP (1.2) cables from GPU to TB AIC
- The TB3 AIC is very firmly installed, doesn?™t jiggle at all when plugging a device into or unplugging it from its Type C ports
- The BSOD also appears when plugging an USB thumb drive into a connected USB hub so there is absolutely no mechanical stress on the TB3 AIC.
- Ethernet: Intel XL710 QDA2 in PCIe 3
- All devices including X570 chipset with latest publicly released drivers available at this time (chipset driver release from July 31st)


Issue description:

- The two Thunderbolt 3 Type C ports seem to work fine (tested various adapters, USB 3.1-SATA adapter, USB-C to 4 x Type A 10 Gbps USB hub) when the devices are connected when the system is still powered off

- When plugging an mere USB Type C device (not a Thunderbolt device) into or unplugging one from the TB3 type C ports I get a BSOD (WHEA_UNCORRECTABLE_ERROR)

- Thunderbolt works seemingly fine, however it only negotiates a 20 GbE networking link between the GC-Titan Ridge AIC and a Mac mini 2018 (also with Titan Ridge TB3 controller) with a 2.0 m Belkin TB 3 cable that is rated for 40 GbE/100 W (but without DisplayPort capability for some reason)

- So it seems the BSoD is caused whenever the Intel USB 3.1 controller built-into the TB3 AIC or DisplayPort Hotplugging comes into play


Things I've tried without any effect:

- Tested a second unit of the GC-Titan Ridge AIC

- Changed the internal motherboard header and power cables to the GC-Titan Ridge AIC

- Changed DP ports on the GPU that are connected to the GC-Titan Ridge AIC

- Newly installed Win 10 Pro 1903 on an erased SSD (and BIOS/MBR setup instead of UEFI)

- New AMD chipset drivers that came out July 31st

- Tried the more current AMD Radeon Consumer driver package instead of the enterprise one for the WX 8200

- Tried s different GPU (NVIDIA Quadro P2000, also with DP 1.4), same result

Any idea what?™s causing this? I know that this is an unsupported configuration but I hope it can be fixed somehow.

Any help is greatly appreciated!

Excellent post wilshing. Thank you for that.
It sounds like I may need to get a Titan Ridge card and try that out if that's the latest. Even if by Gigabyte.

I have a Gigabyte TB3 card new in box. I'll take a look and see if it is Titan ridge. If so I'll give it a shot next.

Was the cable pin compatible with the motherboard?

I'm surprised to hear that the Asrock card is not a Titan ridge. They have Rev2.0 out supposedly but I can't seem to find it online anywhere to buy. I wonder if that is newer and a Titan Ridge or will at least work.

I ended up buying the Asrock Thunderbolt AIC Rev 1.0 without knowing there even existed a 2.0 as I just read my motherboard manual and it didn't state I needed a Rev 2.0 AIC. So I thought I was good to go.

On the website now it lists all the new x570 boards EXCEPT my X570 Pro4. Weird. I wonder if this was an oversight? Or intentional?

I'm on bios 1.30 and now wonder if buying the Pro4 wasn't the value I thought it was?

Hope Asrock or someone with these answer reads this.

Thank you for your post.


https://www.asrock.com/mb/spec/product.us.asp?Model=Thunderbolt%203%20AIC%20R2.0

https://www.asrock.com/mb/spec/product.us.asp?Model=Thunderbolt%203%20AIC

Thanks for that. I also figured out soon after that my Gigabyte card was the Raven Ridge and not the Titan Ridge. And also that the Rev 2.0 was still the same old chipset. It seems it just has the internal connectors to make it tidier for cable routing. Kinda lame of Asrock to not have the latest chipset out yet for a Rev 3.0 card...

But not to worry. :) I got it working!

See my post here: http://forum.asrock.com/forum_posts.asp?TID=12163&title=enabling-thunderbolt-support-for-aic-v10

I shared as much detail as I could on the process as it was long and convoluted. Hope this helps others.

Yes, Thunderbolt 3 itself seems to work fine - as soon as USB 3.x and DisplayPort devices come into play with hotplugging the BSoDs appear. Both works fine when the devices are already connected to the AIC prior to powering on the system.

The Thunderbolt Headers on the motherboards between ASRock and Gigabyte are identical however you cannot use the cable of one manufacturer with the AIC of the other since the TB header on the AIC is shaped completely different.

The thought that maybe the TB Header causes the BSOD also crossed my mind but this is unlikely since it is only to toggle/enable/reset the Thunderbolt controller.

Just fitted the ASRock AIC v2 card into my X570 Taichi, but cannot see anywhere in the BIOS v2.0 for the setting to enable thunderbolt.

Can anyone help please?