Lenovo Flex System x220 Installation And Service Manual page 51

Flex system storage expansion node
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3. If the storage expansion node assembly is installed in an Flex System Enterprise Chassis, remove it
(see "Removing the storage expansion node assembly from the Flex System Enterprise Chassis" on
page 17 for instructions).
4. Carefully lay the storage expansion node assembly on a flat, static-protective surface with the storage
expansion node bezel facing you.
5. If a compute node is installed in the storage expansion node assembly, complete the following steps:
a. Remove the compute node cover (see the compute node Installation and Service Guide for
instructions).
b. If any I/O expansion adapters in the compute node are blocking access to the interposer connector,
remove them (see the compute node Installation and Service Guide for instructions).
c. Disconnect the interposer cable from the interposer connector on the compute node system board.
d. If you removed any I/O expansion adapters from the compute node, install them (see the compute
node Installation and Service Guide for instructions).
e. Install the compute node cover (see the compute node Installation and Service Guide for instructions).
6. If a flash/RAID adapter and flash power module are installed in the storage expansion node, remove
them (see "Removing the flash/RAID adapter" on page 38 and "Removing the flash power module"
on page 40 for instructions).
Procedure
On the underside of the expansion shelf, lift the raised edge of the retaining latch that secures the storage
expansion node to the shelf while you slide the storage expansion node away from the center of the shelf,
as shown in the following illustration.
What to do next
If you are instructed to return the storage expansion node, follow all packaging instructions, and use any
packaging materials for shipping that are supplied to you.
.
Chapter 5
Removing and replacing components
43

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