Lenovo System x3250 M5 Installation And Service Manual page 243

Step 3. Pull and loosen the retention latch on top of the drive backplane cage and lift the backplane up.
Rotate the drive backplane backward and out of the tabs at the bottom of the drive cage and
remove the backplane from the server.
Figure 156. 3.5-inch hot-swap hard disk drive backplane removal
Step 4. Disconnect all cables from the hard disk drive backplane.
If you are instructed to return the server component or optional device, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.
Replacing the 3.5-inch hot-swap hard disk drive backplane
Use this information to replace the 3.5-inch hot-swap hard disk drive backplane.
Read the safety information in "Safety" on page v and "Installation guidelines" on page 31.
If you are replacing a server component in the server, you need to slide the server out from the rack
enclosure, turn off the server and peripheral devices, and disconnect the power cords and all external cables.
To replace the 3.5-inch hot-swap hard disk drive backplane, complete the following steps:
Step 1. Reconnect all cables that you removed from the hard disk drive backplane.
Step 2. Lower the backplane into the alignment slots in the chassis.
Step 3. Align the tabs of the drive backplane with the backplane slots at the back of the backplane cage.
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Chapter 6 Removing and replacing server components
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