Dell PowerEdge R640 EMC PowerEdge R640 Installation and Service Manual - Page 71
Installing and removing system components, Safety instructions
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6 Installing and removing system components Topics: • Safety instructions • Before working inside your system • After working inside your system • Recommended tools • Optional front bezel • System cover • Drives • Backplane cover • Inside the system • Air shroud • Cooling fans • System memory • NVDIMM-N battery • Processors and heat sinks • Expansion cards and expansion card risers • M.2 SSD module • Optional IDSDM or vFlash module • Optional IDSDM or vFlash module • Network daughter card • Integrated storage controller card • Backplane • Cable routing • SAS expander card • Rear drive cage • System battery • USB module • VGA module • Optional internal USB memory key • Optical drive (optional) • Power supply units • System board • Trusted Platform Module • Control panel Safety instructions NOTE: 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 five minutes. Operating the system without the system cover can result in component damage. 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 Installing and removing system components 71
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