Lenovo ThinkServer RD650 User Manual And Hardware Maintenance Manual page 175

To replace the rear backplane, do the following:
1. Remove all external 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. Prepare your server. See "Removing or extending the server from the rack cabinet" on page 69.
3. Remove all the installed drives and dummy trays (if any) from the rear drive assembly. See "Installing or
replacing a hot-swap drive" on page 141.
4. Record the cable routing and cable connections and then disconnect cables from the backplane.
5. Remove the rear backplane/cage assembly. See "Removing the rear backplane/cage assembly" on
page 152.
6. Remove the two screws that secure the backplane. Then, lift the backplane from the cage.
Figure 153. Removing the rear backplane
7. Touch the static-protective package that contains the new 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.
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Chapter 6 Replacing hardware
161