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Using iLO 49
Server and iLO Diagnostics
The Server and iLO Diagnostics option provides the following comprehensive
diagnostic information:
• POST diagnostic results for the host server (on page 49
)
• NVRAM environment variables listing (on page 50)
• Virtual NMI button (on page 50)
• iLO self-test results (on page 51
)
NOTE: When connected through the Diagnostics Port, the directory
server is not available. You can log in using a local account only.
POST Diagnostic Results for the Host Server
As an integrated management processor, iLO monitors the progress of the boot
process of the server. The host server ROM writes POST codes as it is booting.
iLO records and displays these codes.
The POST codes document the booting process of the ROM BIOS. A code
indicates the start of a particular phase of the boot process. The POST code
results can be used to determine the general phase in which the boot process
stopped prematurely. Use of the POST codes alone is usually not sufficient to
diagnose the actual root cause of a stopped boot process. The POST codes should
be used in conjunction with other tools, such as the IML, the local or iLO
Remote Console, and the Diagnostic utilities to determine the root cause of a
stopped boot process.
The following list includes all of the POST codes and Diagnostic Results for the
host server tracked by iLO for a routine boot sequence on ProLiant servers.
Code Start of Phase
FE04 EISA Initialization
FE08 PCI Initialization
FE0C Processor Initialization
FE10 Video Initialization
FE14 Cache Initialization