Adding and Replacing Parts 191Drive Cable ColorsHard DriveCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in the Product Information Guide.CAUTION: For configurations with three SAS hard drives, you must install anadditional fan (see "Installing an Additional Fan" on page 210).NOTICE: To prevent static damage to components inside your computer, dischargestatic electricity from your body before you touch any of your computer’s electroniccomponents. You can do so by touching an unpainted metal surface on thecomputer.NOTICE: To avoid damage to the hard drive, do not place the drive on a hardsurface. Instead, place the drive on a sufficiently cushioned surface, such as afoam pad.NOTICE: Mixing SATA and SAS hard drives in the same RAID configuration maycause your computer to not function properly.Removing a Hard Drive (Tower or Desktop Computer)1 If you are replacing a hard drive that contains data that you want to keep,back up your files before you begin this procedure.2 Follow the procedures in "Before You Begin" on page 143.3 Remove the computer cover (see "Removing the Computer Cover" onpage 145).4 Disconnect the power cable from the hard drive.5 To remove a serial ATA hard drive:a Disconnect the serial ATA cable from the hard drive.b Disconnect the serial ATA cable from the SATA0 or SATA1 connectoron the system board, depending on whether you are removing the harddrive from the secondary or primary hard drive bay.Device ColorHard drive blue cableFloppy drive black pull-taboptical drive orange cable
