229 Unsupported Dimm Configuration Detected. Alert! unsupported memory configuration Please populate Dimm 1 Dell It looks like slot 8 is the first one that should be populated for each CPU, based on my quick read This may result in non-optimal memory performance or other unexpected behavior.
DIMM configuration in 2019 MacPro 7,1 Apple Community from discussions.apple.com
This may result in non-optimal memory performance or other unexpected behavior. Currently it has one stick of " HPE 16GB (1 x 16GB) dual rank x 8 DDR4-2666 CAS-19-19-19 unbuffered standard memory.
DIMM configuration in 2019 MacPro 7,1 Apple Community
(Major Code: A, Minor Code: B) 故障原因 检测到不受支持的 DIMM。 解决方法 The DIMM configuration does not support the Memory RAS Configuration setting configured for the server The memory channel was not populated in the correct order
Unsupported Video Configuration Detected DELL Technologies. 229-Unsupported DIMM Configuration Detected - Processor X, DIMM Y 235-Unsupported DIMM Configuration Detected - Mixed DIMM configurations are not supported on this system
How to Populate Four Memory Modules on the Intel® Server Board.... (Major Code: A, Minor Code: B) 故障原因 检测到不受支持的 DIMM。 解决方法 Read about the improvements, best practices, and population rules for DDR4 server memory DIMMs in HPE ProLiant Gen10 Plus servers and Synergy modules in this white paper.