1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a at,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server.
3. Remove the server cover. See “Removing the server cover” on page 71.
4. Locate the backplane. See “Server components” on page 29.
5. Remove all the installed 2.5-inch hot-swap hard disk drives and dummy trays (if any) from the hard disk
drive cage (right cage or middle cage). See “Installing or replacing a hot-swap hard disk drive” on
page 126.
6. Note down the cable connections on the backplane and then disconnect all cables from the backplane.
7. Remove the three screws that secure the backplane and then carefully lift the backplane out of the
chassis.
Figure 101. Removing the backplane for 2.5-inch hard disk drives
8. Touch the static-protective package that contains the new hot-swap hard disk drive backplane to any
unpainted surface on the outside of the server. Then, remove the new backplane from the package.
Note: Carefully handle the backplane by its edges.
134 ThinkServer User Guide