Lenovo 3057 Maintenance Manual page 175

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.
9. Note the orientation of the new backplane and position it on the chassis so that the small hooks
the chassis pass through the corresponding holes in the new backplane. Then, carefully press the new
backplane straight down so that it is secured in place by the small retaining studs
Figure 121. Installing the backplane for server models with 12 3.5-inch hard disk drive bays
10. Reinstall all the hot-swap hard disk drives and dummy trays (if any) in the hard disk drive bays. See
"Installing or replacing a hot-swap hard disk drive" on page 150.
11. Refer to your note to connect the cables to the new backplane.
12. If you are instructed to return the old hot-swap hard disk drive backplane, follow all packaging
instructions and use any packaging materials that are supplied to you for shipping.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to "Completing the parts replacement" on page 186.
Replacing the backplane for server models with 2.5-inch hard disk drive bays
Attention: Do not open your server or attempt any repair before reading and understanding "Safety information"
on page iii and "Guidelines" on page 83.
This topic provides instructions on how to replace the backplane for server models with 2.5-inch hard
disk drive bays. Depending on the model, your server might come with one or two 2.5-inch hard disk
drive backplanes.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Note: To clearly show the backplane, the system fans are omitted from the illustrations in this topic.
To replace the backplane for server models with 2.5-inch hard disk drive bays, do the following:
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 flat,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server.
.
Chapter 6 Installing, removing, or replacing hardware
1 on
2 on the chassis.
161