Network Server Mode Active And No Keyboard Attached - HP ProLiant Gen9 Troubleshooting Manual

Memory found on unpopulated Node. — Processor is required to be installed for
memory to be used.
Description: The system detects DIMMs, but is unable to use the DIMMs because a processor is not installed
in the corresponding socket.
Action:
CAUTION:
"Performing processor procedures in the troubleshooting process." Failure to follow the
recommended guidelines can cause damage to the system board requiring replacement of the
system board.
To use the installed DIMMs, install a processor in the corresponding socket.
Mismatched power supplies not supported
Possible Cause: The power supplies installed in the server are not supported in the current configuration. The
server does not support installing more than one type of power supply.
Action: Install supported power supplies in a supported configuration.
For supported power supply configurations, see the server documentation on the HP website
(http://www.hp.com/support).
Mixed processor speeds detected. Please make sure that all processors are the same
speed. — System Halted!
Description: Mixed processor speeds are not supported.
Action: See the server documentation for supported processors. Be sure that all installed processors are the
same speed.

Network Server Mode Active and No Keyboard Attached

Audible Beeps: None
Possible Cause: A keyboard is not connected. An error has not occurred, but a message is displayed to
indicate the keyboard status.
Action: No action is required.
NMI - Button Pressed!
Audible Beeps: None
Possible Cause: The NMI button was pressed, initiating a memory dump for crash dump analysis.
Action: Reboot the server.
NMI - Undetermined Source
Audible Beeps: None
Possible Cause: An NMI event has occurred.
Action: Reboot the server.
Before installing any processors, be sure to follow the guidelines provided in
HP ProLiant server errors 43