[1800A] A mismatch has been detected between the speed at which a QPI link has trained between two or more processor package
Processors have mismatched Bus Speed
User Response
Complete the following steps:
- Verify that the processor is a valid option that is listed as a Server Proven device for this system. If not, remove the Processor and install one listed on the Server Proven website.
- Verify that matching processors are installed in the correct processor socket Correct any mismatch found.
- Check the IBM support site for an applicable service bulletin or firmware update that applies to this processor error.
- Replace the processor. Inspect the processor socket and replace the system board first if the socket is damaged.