207-Invalid Memory Configuration - Mismatched Dimms Within Dimm Bank; 207-Invalid Memory Configuration - Unsupported Dimm In Bank X; 207-Invalid Memory Configuration - Single Channel Memory; 207-Invalid Memory Configuration - Unsupported Dimm In Socket X - HP ProLiant ML370 Generation 4 Reference And Troubleshooting Manual

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.

207-Invalid Memory Configuration - Single channel memory...

...mode supports a single DIMM installed in DIMM socket 1. Please remove all other
DIMMs or install memory in valid pairs. System Halted.
Audible Beeps: 1 long, 1 short
Possible Cause: DIMMs are installed in pairs, but the server is in single channel
memory mode.
Action: Remove all other DIMMs or install memory in valid pairs and change
the memory mode.

207-Invalid Memory Configuration - Unsupported DIMM in Socket X

Audible Beeps: 1 long, 1 short
Possible Cause: Unregistered DIMMs or insufficient DIMM timings.
Action: Install registered ECC DIMMs.
Troubleshooting 243