IBM Flex System x440 Compute Node Installation And Service Manual page 532

Procedure
To remove the hard disk drive backplane, complete the following steps.
1. Remove the cover (see "Removing the compute node cover" on page 498).
2. For the hard disk drive backplane that you have to replace, disconnect the
3. To disconnect the cable from the hard disk drive backplane that you removed,
4. Push the retention clip on the hard disk drive cage toward the rear of the
5. Disconnect the hard disk drive backplane cable from the system board ▌3▐.
6. Lift out the hard disk drive backplane and cable. It might be necessary to pull
What to do next
If you are instructed to return the hard disk drive backplane, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
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IBM Flex System x440 Compute Node Types 7917 and 2584: Installation and Service Guide
applicable hard disk drive by pressing the release latch (orange) on the hard
disk drive to release the drive handle; then, use the drive handle to slide the
hard disk drive approximately 12 mm (0.5 in.) out of the bay. See "Removing a
hot-swap hard disk drive" on page 522).
pull the connector clip away from the cable to unhook the clip from the
backplane as you push the cable connector toward the rear of the compute
node ▌1▐.
Hard disk
drive backplane
Retention
clip
Flex
cable
connector
compute node to release it from under the tab; then, slide the retention clip
toward the front of the compute node to release the hard disk drive backplane
▌2▐.
the backplane toward the front of the compute node before you lift it out of the
compute node ▌4▐.
Connector clip