Z390 Taichi Ultimate + Thunderbolt 3 AIC issue

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   Hi,

I have just upgraded my build to a Z390 Tacihi Ultimate with Intel 9600k processor. Everything is working fine with all cores overclocked to 5Ghz.

The installation and setup was done on a hdmi screen with the integrated graphics.

After that everything is finished I wanted to add a thunderbolt 3 AIC card from Asrock. 

I did the following:
- Connected the Thunderbolt 3 AIC card to the last PCI slot
- Connected large displaypor from the Thunderbolt card to the large displayport connector in the integrated GPU
- Connected the internal cable between the card and the MB
- Connected a thunderbolt 3 monitor with a thunderbolt 3 cable.

Without doing anything in the BIOS its working. I'm just typing on it now.

But I can't get 5K. As soon as I enable the "Thunderbolt discrete" option in the bios my computer wont start. I need to reset the bios to make it work.

What is going on? 

Do I need to enable in the Bios to get the full interface performance?

Right now I can only us my 5k monitor in 4K resolution.

Any help would be appreciated

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adde1024 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 04 Nov 2019 Status: Offline Points: 3	Post Options Post Reply Quote adde1024 Report Post Thanks(0) Quote Reply Topic: Z390 Taichi Ultimate + Thunderbolt 3 AIC issue Posted: 04 Nov 2019 at 7:31pm
	Hi, I have just upgraded my build to a Z390 Tacihi Ultimate with Intel 9600k processor. Everything is working fine with all cores overclocked to 5Ghz. The installation and setup was done on a hdmi screen with the integrated graphics. After that everything is finished I wanted to add a thunderbolt 3 AIC card from Asrock. I did the following: - Connected the Thunderbolt 3 AIC card to the last PCI slot - Connected large displaypor from the Thunderbolt card to the large displayport connector in the integrated GPU - Connected the internal cable between the card and the MB - Connected a thunderbolt 3 monitor with a thunderbolt 3 cable. Without doing anything in the BIOS its working. I'm just typing on it now. But I can't get 5K. As soon as I enable the "Thunderbolt discrete" option in the bios my computer wont start. I need to reset the bios to make it work. What is going on? Do I need to enable in the Bios to get the full interface performance? Right now I can only us my 5k monitor in 4K resolution. Any help would be appreciated