Installing Blade Components 253Hard-Drive BackplaneNOTE: A hard-drive backplane must be installed in each blade to maintain properairflow, even when the blade is in a diskless configurations.Follow these steps to remove and replace the hard-drive backplane:1 Remove the blade. See "Removing a Blade" on page 145.2 Open the blade. See "Opening the Blade" on page 149.NOTE: If you are removing more than one hard drive, label them so you can replacethem in their original locations.NOTE: You must remove all hard drives before removing the backplane.3 Remove the hard drive(s). See "Removing a Hard Drive" on page 248.4 Lift the latches at each end of the backplane, then lift the backplane fromthe blade chassis. See Figure 3-57.
