Lenovo ThinkSTaTion series, Hardware Maintenance Manual, Page: 123 / 304

5. Open the retaining clips as shown.
If you are replacing an old memory module, open the retaining clips and remove the memory module
being replaced as shown.
6. Position the new memory module over the memory slot. Make sure the notch
1
on the memory module
aligns correctly with the slot key 2 on the system board. Push the memory module straight down into
the slot until the retaining clips close.
Chapter 11
.
Replacing FRUs (Type 4155, 4158, 4218)
115