Installing System Components 1118 If not already done, connect the power cable to DVD_PWR and theinterface cable to SATA_A on the system board. See Figure 6-1.9 Replace the front bezel, if applicable. See "Removing and Replacing theOptional Front Bezel."10 Reconnect the system and peripherals to their electrical outlets.Integrated Storage Controller CardYour system includes a dedicated expansion-card slot on riser 1 for anintegrated SAS or PERC controller card that provides the integrated storagesubsystem for your system’s internal hard drives. The controller supports SASand SATA hard drives and also enables you to set up the hard drives in RAIDconfigurations as supported by the version of the storage controller includedwith your system.Removing the Integrated Storage Controller CardCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.1 Turn off the system, including any attached peripherals, and disconnectthe system from the electrical outlet.2 Open the system. See "Opening the System."3 Disconnect the data cables from the controller card. See Figure 3-17.To remove a connector, press the latches on both ends of the connector.4 If you are removing a battery-cached PERC controller, disconnect theRAID battery cable from the card.CAUTION: Disconnecting the RAID battery cable from a PERC card can causedata loss if the "dirty cache" LED on the card is lit. The LED indicates that data isstill cached in controller memory and the data was not cleared at systemshutdown.5 Remove the card from the storage controller card slot: