Figure 17. Inside the system—Non redundant power supply unit chassis
1
Control panel board 2 Hard drive backplane
3 Cooling fans (5) 4 Power supply unit (non redundant)
5 Optional expansion card riser 6 Processor (2)
7 DIMM (12)
Cooling shroud
The cooling shroud has aerodynamically placed openings that direct the airow across the entire system. The airow passes through all the
critical parts of the system, where the vacuum pulls air across the entire surface area of the heat sink, thus allowing increased cooling.
Removing the cooling shroud
Prerequisites
CAUTION
: Many repairs may only be done by a certied 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 are
shipped with your product.
1 Follow the safety guidelines listed in the Safety instructions section.
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Installing and removing system components
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