Chapter 5. Diagnostics
This chapter describes the diagnostic tools that are available to help you solve
problems that might occur in the server.
If you cannot diagnose and correct a problem by using the information in this
chapter, see Appendix A, “Getting help and technical assistance,” on page 217 for
more information.
Diagnostic tools
The following tools are available to help you diagnose and solve hardware-related
problems:
v
POST beep codes, error messages, and error logs
The power-on self-test (POST) generates beep codes and messages to indicate
successful test completion or the detection of a problem. See “POST” for more
information.
v
Troubleshooting tables
These tables list problem symptoms and actions to correct the problems. See
“Troubleshooting tables” on page 125.
v
System-board LEDs
Use the system-board LEDs to diagnose system errors quickly. See
“System-board LEDs” on page 136 for more information.
v
Diagnostic programs
The diagnostic programs are provided on the
Diagnostics
CD . These programs
test the major components of the server and collect and analyze the following
information about the server:
– System configuration
– Network interfaces and settings
– Installed hardware
– Service processor status and configuration
– Vital product data, firmware, and BIOS configuration
– Hard disk drive health
– RAID controller configuration
– Event logs for ServeRAID controllers and service processors
The diagnostic programs create a merged log that includes events from all
collected logs. The information is collected into a file that you can send to the
Lenovo Support Center. Additionally, you can view the server information locally
through a generated text report file. You can also copy the log to removable
media and view the log from a Web browser. See “Diagnostic programs and
messages” on page 138 for more information.
POST
When you turn on the server, it performs a series of tests to check the operation of
the server components and some optional devices in the server. This series of tests
is called the power-on self-test, or POST.
If a power-on password is set, you must type the password and press Enter, when
you are prompted, for POST to run.
The power-on self-test beep codes indicate the detection of a problem.
© Lenovo 2008. Portions © IBM Corp. 2007, 2008.
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