Hot–swap drive backplane replacement
Use this information to remove and install a hot-swap-drive backplane.
Front drive backplane replacement: 
•  “Remove the front 2.5-inch-drive backplane” on page 182
•  “Install the front 2.5-inch-drive backplane” on page 185
•  “Remove the front 3.5-inch-drive backplane” on page 194
•  “Install the front 3.5-inch-drive backplane” on page 196
Middle and rear drive backplane replacement: 
•  “Remove the middle or rear 2.5-inch-drive backplane” on page 188
•  “Install the middle or rear 2.5-inch-drive backplane” on page 191
•  “Remove the middle or rear 3.5-inch-drive backplane” on page 198
•  “Install the middle or rear 3.5-inch-drive backplane” on page 201
Chapter 4. Hardware replacement procedures 181