HP ProLiant BL660c HP ProLiant Gen8 Troubleshooting Guide Volume I: Troublesho - Page 14

Breaking the server down to the minimum hardware, configuration

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locate the server user guide or maintenance and service guide on the HP website (http://www.hp.com/support/manuals). • Never touch the contacts in the processor socket. THE PINS ON THE SYSTEM BOARD ARE VERY FRAGILE AND EASILY DAMAGED. If the contacts inside the processor socket are damaged, you must replace the system board. • Some processor models require the use of a processor installation tool, and specific steps are documented to ensure that you do not damage the processor or processor socket on the system board. For server models that have pins inside the processor socket, remember that THE PINS ON THE SYSTEM BOARD ARE VERY FRAGILE AND EASILY DAMAGED. If you damage the socket, you must replace the system board. • Always complete all other troubleshooting procedures before removing or replacing a processor. Breaking the server down to the minimum hardware configuration During the troubleshooting process, you may be asked to break the server down to the minimum hardware configuration. A minimum configuration consists of only the components needed to boot the server and successfully pass POST. When requested to break the server down to the minimum configuration, uninstall the following components, if installed: • All additional DIMMs Leave only the minimum required to boot the server-either one DIMM or a pair of DIMMs. For more information, see the memory guidelines in the server user guide. • All additional cooling fans, if applicable For the minimum fan configuration, see the server user guide. • All additional power supplies, if applicable (leave one installed) • All hard drives • All optical drives (DVD-ROM, CD-ROM, and so forth) • All optional mezzanine cards • All expansion boards Before removing the components, be sure to determine the minimum configuration for each component and follow all guidelines in the server user guide. Always use the recommended minimum configuration above before removing any processors. If you are unable to isolate the issue with the configuration above, you will then remove all but one of the processors. CAUTION: Before removing or replacing any processors, be sure to follow the guidelines provided in "Performing processor procedures in the troubleshooting process (on page 13)." Failure to follow the recommended guidelines can cause damage to the system board, requiring replacement of the system board. Troubleshooting preparation 14

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Troubleshooting preparation 14
locate the server user guide or maintenance and service guide on the HP website
(
).
•
Never touch the contacts in the processor socket.
THE PINS ON THE SYSTEM BOARD ARE VERY FRAGILE
AND EASILY DAMAGED
. If the contacts inside the processor socket are damaged, you must replace the
system board.
•
Some processor models require the use of a processor installation tool, and specific steps are
documented to ensure that you do not damage the processor or processor socket on the system board.
For server models that have pins inside the processor socket, remember that
THE PINS ON THE SYSTEM
BOARD ARE VERY FRAGILE AND EASILY DAMAGED
. If you damage the socket, you must replace the
system board.
•
Always complete all other troubleshooting procedures before removing or replacing a processor.
Breaking the server down to the minimum hardware
configuration
During the troubleshooting process, you may be asked to break the server down to the minimum hardware
configuration. A minimum configuration consists of only the components needed to boot the server and
successfully pass POST.
When requested to break the server down to the minimum configuration, uninstall the following components,
if installed:
•
All additional DIMMs
Leave only the minimum required to boot the server—either one DIMM or a pair of DIMMs. For more
information, see the memory guidelines in the server user guide.
•
All additional cooling fans, if applicable
For the minimum fan configuration, see the server user guide.
•
All additional power supplies, if applicable (leave one installed)
•
All hard drives
•
All optical drives (DVD-ROM, CD-ROM, and so forth)
•
All optional mezzanine cards
•
All expansion boards
Before removing the components, be sure to determine the minimum configuration for each component and
follow all guidelines in the server user guide.
Always use the recommended minimum configuration above before removing any processors. If you are
unable to isolate the issue with the configuration above, you will then remove all but one of the processors.
CAUTION:
Before removing or replacing any processors, be sure to follow the guidelines
provided in "Performing processor procedures in the troubleshooting process (on page
13
)."
Failure to follow the recommended guidelines can cause damage to the system board, requiring
replacement of the system board.