IBM X3950 X5 Problem Determination And Service Manual page 167

Removing the hard disk drive backplane and cable assembly
This topic provides instructions for how to remove the hard disk drive backplane
cable assembly.
About this task
Important: Before you remove the hard disk drive backplane cable assembly from
the server, take the following precautions to save data, firmware, and configuration
data:
v Before you make changes to disk drives, disk drive controllers (including
controllers that are integrated on the system board), disk drive backplanes, or
disk drive cables, back up all important data that is stored on hard disks.
v Before you remove any component of a RAID array, back up all RAID
configuration information.
Chapter 5. Removing and replacing components
151