Lenovo ThinkServer RD440 User Manual And Hardware Maintenance Manual page 194

7. Remove the three screws that secure the backplane and then carefully lift the backplane out of the
chassis.
Figure 144. Removing the backplane for server models with 2.5-inch hard-disk-drive bays
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.
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ThinkServer RD440 User Guide and Hardware Maintenance Manual