Figure 54. Installing the drive backplaneNext steps1 Connect the following cables to the backplane:a Backplane signal cableb Backplane power cablec PERC cable2 Install the drives in their original locations.3 Follow the procedures in After working inside your systemPower supply unitRemoving a power supply unit blankPrerequisite1 Follow the safety guidelines listed in Safety instructionsStepPull the blank out of the system.CAUTION: To ensure proper system cooling, the power supply unit blank must be installed in the second power supplyunit bay in a non-redundant configuration. Remove the power supply unit blank only if you are installing a second powersupply unit.Disassembly and reassembly 85