IBM System x3800 Installation Manual page 27

1. Read the safety information that begins on page v and "Installation guidelines"
on page 7.
2. Remove the front cover (tower model only), and the top cover (see "Removing
the front cover, top cover, and bezel" on page 9).
3. If you are not hot-swapping a DIMM, turn off the server and peripheral devices,
and disconnect the power cords and all external cables necessary to replace
the device.
Attention: When moving the memory card, do not allow it to touch any
components or structures inside the server.
If you are hot-swapping a DIMM, make sure that the Memory Hot-Swap
Enabled LED is lit.
Memory card
retention levers
4. Remove the memory card:
a. Open the memory card retention levers on the top of the memory card.
b. While holding the retention levers open, lift the memory card out of the
server.
5. Place the memory card on a flat, static-protective surface with the DIMM
connectors facing up.
Attention: To avoid breaking the DIMM retaining clips or damaging the
DIMM connectors, open and close the clips gently.
6. Open the retaining clip on each end of the DIMM connector.
7. Touch the static-protective package that contains the DIMM to any unpainted
metal surface on the server. Then, remove the DIMM from the package.
8. Turn the DIMM so that the DIMM keys align correctly with the slot.
Chapter 2. Installing options
15