Invalid Lockstep Memory Configuration - HP ProLiant DL388 Troubleshooting Manual

209-Online Spare Memory Configuration - Spare Bank is Invalid
Audible Beeps: 1 long, 1 short
Possible Cause: Installed DIMMs for online spare bank are of a size smaller than another bank.
Action: Install or reinstall DIMMs to support online spare configuration.
209-Hot-add Memory Configuration - Boards must be installed sequentially.
Audible Beeps: 1 long, 1 short
Possible Cause: Memory boards are not installed sequentially.
Action: Install or reinstall memory boards sequentially.

209-Invalid Lockstep memory configuration

Audible Beeps: 1 long, 1 short
Possible Cause: The memory is not installed properly to support Lockstep mode.
Action: See the server documentation for supported Lockstep memory configurations.
209-Mirror Memory Configuration - Memory Sizes on boards X and Y do not match
Audible Beeps: 1 long, 1 short
Possible Cause: The overall size of two boards participating in a mirrored configuration does not match.
Action: Install or reinstall DIMMs to support mirrored mode.
209-RAID Memory Configuration - Memory Sizes on boards X and Y do not match
Audible Beeps: 1 long, 1 short
Possible Cause: The overall size of two boards participating in a RAID does not match.
Action: Install or reinstall DIMMs to support RAID mode.
210-Memory Board Power Fault on board X
Audible Beeps: 1 long, 1 short
Possible Cause: A problem exists with a memory board powering up properly.
Action: Exchange DIMMs and retest. Replace the memory board if problem persists.
210-Memory Board Failure on board X
Audible Beeps: 1 long, 1 short
Possible Cause: A problem exists with a memory board powering up properly.
Action: Exchange DIMMs and retest. Replace the memory board if problem persists.
Error messages 132