Lenovo ThinkCentre 7515 Maintenance Manual page 97

Note: Only DDR2 SDRAM DIMMs can be used.
To install or replace a memory module:
1. Remove the computer cover. See "Removing the computer cover" on page 86.
2. Remove any parts that might prevent access to the memory slots.
3. Locate the memory slots. See "Locating parts on the system board" on page 89.
4. Open the retaining clips.
Figure 7. Opening the retaining clips
If you are replacing an old memory module, open the retaining clips and
remove the memory module being replaced as shown.
Figure 8. Removing the memory module
Chapter 8. Replacing FRUs - Tamdhu computers
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