Diagnostic flowcharts
85
Action: Be sure that quad rank DIMMs are installed in the first socket of
any memory channel.
o
UDIMMs and RDIMMs are installed in the system. The system cannot have both
types of DIMMs installed. System stopped
Possible cause: A DIMM configuration error exists with mismatched DIMMs.
Action: Be sure all DIMMs are of the same type.
7.
Invalid Lockstep memory configuration
Possible cause: The memory is not installed properly to support Lockstep mode.
Action: Install or reinstall DIMMs to support mirrored mode.
8.
Mirror memory configuration
o
Memory sizes on boards X and Y do not match
Possible cause: The overall size of two boards that are participating in
a mirrored configuration does not match.
Action: Install or reinstall the DIMMs to support mirrored mode.
9.
Non-numeric messages or beeps only
o
Advanced memory protection mode: Advanced ECC
Possible cause: Advanced ECC support is enabled.
Action: None.
o
Advanced memory protection mode: Advanced ECC with hot-add support
Possible cause: Advanced ECC with hot-add support is enabled.
Action: None
Processor problems
Be sure that the server supports each processor and that each processor is
correctly installed.
Only supported processors should be installed. Specific steps are required
for the installation of processors.
Be sure that the socket pins on each processor are intact
Replace the processor with another processor that is known to be properly
functioning.
Network connection problems
1.
Network not working
o
Be sure that no loose connections exist between the LAN port and the system
board.
o
Be sure no loose connections exist between the LAN port and the LAN cable.
o
Determine if the software is causing the problem
o
Replace the LAN cable with a LAN cable that is known to be functioning
properly
o
Use the latest LAN card driver when installing the OS, and be sure the server
and the OS support the controller.
o
Be sure a valid IP address is assigned to the controller and that the
configuration settings are correct.
o
Restart the server to determine if the network starts working.
2.
Network stops working
o
Be sure no loose connections exist.
