Yellow Bang on Intel B860 chipset with TCSS enabled

[Jeff_1025]

There is a yellow bang observed on chipset B860 with Intel TCSS enabled. The yellow bang device is Bus 0, Dev 13, Fun 0. This symptom can also be observed on CRB. Is there any on can help ?

[Earl_Intel]

Hi Jeff_1025,

Thank you for posting in the communities!

To better assist you and determine the most appropriate resolution, could you please provide the needed details listed below:

• May I know the exact processor you're using on this Intel B869 chipset?
• What is the exact motherboard do you have?
• What are the troubleshooting steps you have taken to try and resolve the issue?

Once we have this information, we will be able to proceed with the next course of action and work towards resolving the issue you are facing.

Best regards,

Earl E.

Intel Customer Support Technician

[Jeff_1025]

Hi Earl,

  Actually, this issue is not about processor. It is related to the PCH chipset.

We had solved this issue. After reading the Thunderbolt white paper, we set TCSS port 2 as Fixed DP in ME setting and the yellow bang issue disappeared!

By the way, thank you  for your reply.

[Earl_Intel]

Hi Jeff_1025,

Thank you for sharing this update with us, I'm happy hear that the yellow bang issue that you were experiencing on your system is now resolved!

I will take note on the solution that you perform on your end to resolve this issue.

Since the issue is now resolved, I will now close this thread, if you need further assistance, please submit a new question as this thread will no longer be monitored.

Best regards,

Earl E.

Intel Customer Support Technician.