Lenovo ThinkServer RD550 - Manual (Page 112)

3. Remove all the installed hot-swap hard disk drives and dummy trays (if any) from the rear
backplane/cage kit. See “Installing or replacing a hot-swap hard disk drive” on page 119.
4. Record the cable routing and cable connections and then disconnect cables from the rear backplane.
5. Remove the rear backplane/cage kit. See “Removing the rear backplane/cage kit” on page 96.
6. Remove the two screws that secure the backplane to the cage. Then, lift the backplane from the cage.
Figure 66. Removing the rear backplane
7. Touch the static-protective package that contains the new rear 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.
8. Note the orientation of the new backplane. Align the screw holes in the new backplane with the
corresponding ones in the cage. Then, install the two screws to secure the backplane.
Figure 67. Installing the rear backplane
9. Install the rear backplane/cage kit to the chassis. See “Installing the rear backplane/cage kit” on page 95.
10. Reinstall all the hot-swap hard disk drives and dummy trays (if any) in the rear backplane/cage kit. See
“Installing or replacing a hot-swap hard disk drive” on page 119.
98 ThinkServer RD550 User Guide and Hardware Maintenance Manual