Lenovo THINKSERVER 3821 - Manual (Page 218)

7. Reconnect the external cables and power cords; then, turn on the attached
devices and turn on the server.
Removing a memory module
1 DIMM
2 Retaining clip
To remove a dual inline memory module (DIMM), do the following:
1. Read the safety information that begins on page 5.
2. Turn off the server and peripheral devices, and disconnect the power cords
and all external cables.
3. Turn the server on its side so that it is lying flat, with the cover facing up.
4. Unlock and remove the left-side cover (see “Removing the left-side cover” on
page 157).
5. Remove the hot-swap power supply or power supplies from the power-supply
cage (see “Removing a hot-swap power supply” on page 174).
6. Rotate the power-supply cage to its open position (see “Opening the
power-supply cage” on page 158).
7. Remove the air baffle (see “Removing the air baffle” on page 169).
8. Locate the DIMM connectors on the system board (see “System-board internal
connectors” on page 131).
Attention: To avoid breaking the retaining clips or damaging the DIMM
connectors, handle the clips gently.
9. Move the DIMM retaining clips on the side of the DIMM connector to the open
position by pressing the retaining clips away from the center of the DIMM
connector.
10. Using your fingers, lift the DIMM out of the DIMM connector.
11. If you are instructed to return the DIMM, follow all packaging instructions, and
use any packaging materials for shipping that are supplied to you.
210 ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual