Owners Manual
Installing and removing system components
This section provides information about installing and removing the XC940 Series components.
Topics:
• Safety instructions
• Before working inside your system
• After working inside your system
• Recommended tools
• Optional front bezel
• System cover
• Inside the system
• Air shroud
• Cooling fans
• Fan cage
• Intrusion switch
• Drives
• Hard drive backplane
• System memory
• Expansion cards and expansion card risers
• Network daughter card
• Storage controller card
• IDSDM
• Power supply unit
• System battery
• Trusted Platform Module
Safety instructions
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: Opening or removing the system cover while the system is powered on may expose you to a risk of electric shock.
CAUTION: Do not operate the system without the cover for a duration exceeding ve minutes. Operating the system without the
system cover can result in component damage.
WARNING: 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.
CAUTION: To ensure proper operation and cooling, all bays in the system and system fans must be always populated with a
component or a blank.
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