Hardware Installation 314Hardware InstallationBefore You BeginThis chapter describes how to install the Dell PowerEdge RAID Controller(PERC) S300 adapter.NOTE: The PERC S100 controller is an integral component of the motherboard.Hardware installation instructions are not required for a system with a PERC S100controller.General ConsiderationsWARNING: Before you begin any of the procedures in this chapter, follow thesafety instructions that were shipped with your system. For additional safetyinformation, see the Regulatory Compliance Homepage on dell.com at thefollowing location: dell.com/regulatory_compliance.WARNING: Electrostatic discharge can damage sensitive components. Alwaysuse proper antistatic protection when handling components. Touchingcomponents without using a proper ground can damage the equipment.WARNING: Plug the PERC S300 controller only into a PCI-E slot. Plugging thecontroller into an incorrect type of slot can potentially destroy the controller, aswell as the motherboard.CAUTION: Before installing a controller in an existing system, back up all criticaldata. Failure to follow this accepted system management practice could result in aloss of data.