Removing A Memory Module - Lenovo BladeCenter HS23E Problem Determination And Service Manual

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Removing a memory module

Use this information to remove a dual inline memory module (DIMM) from the
blade server.
The following illustration shows how to remove a DIMM from the blade server.
This information also applies to removing a DIMM filler.
After you install or remove a DIMM, you must change and save the new
configuration information by using the Setup utility. When you turn on the blade
server, a message indicates that the memory configuration has changed. Start the
Setup utility and select Save Settings (see "Using the Setup utility" on page 18 for
more information) to save changes.
To remove a DIMM, complete the following steps:
1. Before you begin, read "Safety" on page v and "Installation guidelines" on
page 47.
2. If the blade server is installed in a BladeCenter unit, remove it (see "Removing
the blade server from the BladeCenter unit" on page 49).
3. Remove the blade server cover (see "Removing the blade server cover" on page
52).
4. If an optional expansion unit is installed, remove the expansion unit (see
"Removing an optional expansion unit" on page 79).
5. Locate the DIMM connectors (see "Blade server connectors" on page 13).
Determine which DIMM you want to remove from the blade server.
Attention: To avoid breaking the retaining clips or damaging the DIMM
connectors, handle the clips gently.
6. Move the retaining clips on the ends of the DIMM connector to the open
position by pressing the retaining clips away from the center of the DIMM
connector.
7. Using your fingers, pull the DIMM out of the connector.
8. Install a DIMM or DIMM filler in each empty DIMM connector (see "Installing
a memory module" on page 66).
Note: A DIMM or DIMM filler must occupy each DIMM socket before the
blade server is turned on.
9. If you are instructed to return the DIMM, follow all packaging instructions, and
use any packaging materials for shipping that are supplied to you.
Chapter 5. Removing and replacing blade server components
65

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