Lenovo 5458 Installation And Service Manual page 257

About this task
To remove the 3.5-inch hot-swap hard disk drive backplane, complete the
following steps:
Procedure
1. Remove the cover (see "Removing the cover" on page 33).
2. Pull the hard disk drives or fillers out of the server slightly to disengage them
from the hard disk drive backplane (see "Removing a hot-swap hard disk
drive" on page 180).
3. Pull and loosen the retention latch on top of the drive backplane cage and lift
the backplane up. Rotate the drive backplane backward and out of the tabs at
the bottom of the drive cage and remove the backplane from the server.
Figure 156. 3.5-inch hot-swap hard disk drive backplane removal
4. Disconnect all cables from the hard disk drive backplane.
What to do next
If you are instructed to return the server component or optional device, follow all
packaging instructions, and use any packaging materials for shipping that are
supplied to you.
Replacing the 3.5-inch hot-swap hard disk drive backplane
Use this information to replace the 3.5-inch hot-swap hard disk drive backplane.
Before you begin
Read the safety information in "Safety" on page v and "Installation guidelines" on
page 31.
If you are replacing a server component in the server, you need to slide the server
out from the rack enclosure, turn off the server and peripheral devices, and
disconnect the power cords and all external cables.
Chapter 6. Removing and replacing server components
241