110 Installing System Components10 Connect the other end of the power cable to the DVD/TBU_PWRconnector on the system board. See Figure 6-2.11 Connect the interface cable to the back of the tape backup unit.12 Connect the other end of the interface cable to the appropriate controller.a For a SCSI device, connect to the SCSI controller expansion card.b For a SATA device, connect to the SATA_B connector on the systemboard. See Figure 6-2 for the location of the connector.13 Route the interface cable along the interior right wall. See "CableRouting."14 Close the system. See "Closing the System."15 Reconnect your system and peripherals to their electrical outlets, and turnon the system.Removing the Tape Backup UnitCAUTION: 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 its electrical outlet.2 Open the system. See "Opening the System."3 For a SATA tape backup unit, disconnect the power and signal cables fromthe back of the unit.4 Squeeze the blue release tabs at the back of the mounting tray and pushthe tray out of the system. See Figure 3-19.5 Using a Phillips screwdriver, remove the slide rails or the tray from the tapebackup unit.6 For a SCSI tape backup unit, disconnect the power and signal cables fromthe back of the unit.7 Install the slide rails or the tray to the flex-bay blank.If replacing the tape backup unit, follow the procedure in "Installing theTape Backup Unit."
