IBM x3100 M5 Type 5457 Installation And Service Manual page 261

Screws
Figure 156. 2.5" hot swap hard disk drive backplane screw installation for 5U server model
with hot-swap power supplies
The following illustration is for 5U server models with 3.5" hot swap hard
disk drives installed.
Screws
Figure 157. 3.5" hot swap hard disk drive backplane screw installation for 5U server model
with hot-swap power supplies
5. Press and hold the retaining tab on the side of the cage; then, rotate the drive
cage into the chassis until it locks into place.
Note: You may need to slightly lift up the cage in order to press and hold the
retaining tab.
Chapter 6. Removing and replacing components
245