Installing and removing sled components 99Figure 43. Installing the NVRAM backup battery1 negative side of battery connector 2 positive side of batteryNext steps1 Install the coolingshroud.2 Followthe procedure listed inthe After working inside your systemsection.3 Enter System Setup to confirm that the battery is operating properly.4 Enter the correct time and date in the System Setup's Time and Date fields.5 Exit System Setup.6 Totest the freshly installed battery, leave the sled disconnected for at least an hour.7 Reconnectthesledafteranhourhaspassed.8 Enter System Setup and if the time and date are still incorrect, see the Getting help section.Related linksGetting helpSafety instructionsBefore working inside your systemInstalling the cooling shroudAfter working inside your systemSystem boardA system board (also known as the motherboard) is the main printed circuit board found in computers. The system board allowscommunication between many of the crucial electronic components of the computer, such as the central processing unit (CPU) andmemory, and also provides connectors for other peripherals. Unlike a backplane, a system board contains significant number subsystemssuch as the processor expansion cards, and other components.RemovingthesystemboardPrerequisitesCAUTION: Manyrepairsmay onlybedonebyacertifiedservicetechnician. You shouldonlyperformtroubleshooting andsimplerepairsasauthorizedinyourproductdocumentation, orasdirectedbytheonlineortelephoneserviceandsupportteam.Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.
