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Troubleshooting Your System | 309
Troubleshooting Your System

Minimum Configuration to POST

One Power Supply
One Processor (CPU) in socket CPU1 (minimum for troubleshooting)
One Memory Module (DIMM) installed in the socket A1
NOTE: The three items above are the minimum configuration to POST. When the
PCI-E slot 1 and slot 2 are to be used, the processor 1 must be installed;
when the PCI-E slot 3 is to be used, both the processor 1 and processor 2 must be
installed.

Safety First – For You and Your System

WARNING: Whenever you need to lift the system, get others to assist you. To
avoid injury, do not attempt to lift the system by yourself.
WARNING: Before removing the system cover, disconnect all power, then unplug
the AC power cord, and then disconnect all peripherals, and all LAN lines.
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came with
the product.