207-Invalid Memory Configuration - Incomplete Bank Detected In Bank; 207-Invalid Memory Configuration - Insufficient Timings On Dimm; 207-Invalid Memory Configuration - Mismatched Dimms Within Dimm Bank - HP ProLiant Troubleshooting Manual

207-Invalid Memory Configuration - DIMM Size Parameters Not Supported.
Audible Beeps: 1 long, 1 short
Possible Cause: Installed memory module is an unsupported size.
Action: Install a memory module of a supported size.
207-Invalid Memory Configuration - Incomplete Bank Detected in Bank X
Audible Beeps: 1 long, 1 short
Possible Cause: Bank is missing one or more DIMMs.
Action: Fully populate the memory bank.

207-Invalid Memory Configuration - Insufficient Timings on DIMM

Audible Beeps: 1 long, 1 short
Possible Cause: The installed memory module is not supported.
Action: Install a memory module of a supported type.

207-Invalid Memory Configuration - Mismatched DIMMs within DIMM Bank

Audible Beeps: 1 long, 1 short
Possible Cause: Installed DIMMs in the same bank are of different sizes.
Action: Install correctly matched DIMMs.
207-Invalid Memory Configuration - Mismatched DIMMs within DIMM Bank...
...Memory in Bank X Not Utilized.
Audible Beeps: 1 long, 1 short
Possible Cause: Installed DIMMs in the same bank are of different sizes.
Action: Install correctly matched DIMMs.
207-Invalid Memory Configuration - Mismatched DIMMs within DIMM Bank...
...Memory in Board X Bank X Not Utilized.
Audible Beeps: 1 long, 1 short
Possible Cause: Installed DIMMs in the same bank are of different sizes.
Action: Install correctly matched DIMMs.
207-Invalid Memory Configuration - Unsupported DIMM in Bank X
Audible Beeps: 1 long, 1 short
Possible Cause: One of the DIMMs in bank X is of an unsupported type.
Action: Install supported DIMMs to fill the bank.