Removing And Replacing Dimms - IBM xSeries 455 Option Installation Manual

v When you install or remove DIMMs, the server configuration information

Removing and replacing DIMMs

Complete the following steps to install a DIMM in your server with the server turned
off:
1. Read the safety information beginning on page v and "Installation guidelines" on
2. Turn off the server and peripheral devices, and disconnect the power cords and
3. Open the DIMM access door that covers the DIMM connector into which you
4. Install the new DIMM:
28
xSeries 455: Option Installation Guide
changes. When you restart the server, the server displays a message indicating
that the memory configuration has changed.
page 13.
all external cables; then, open the server cover.
Attention: When you handle static-sensitive devices, take precautions to
avoid damage from static electricity. For details about handling these devices,
see "Handling static-sensitive devices" on page 14.
will be installing the DIMM.
a. Open the retaining clip on each end of the DIMM connector.
b. Touch the static-protective package containing the DIMM to any unpainted
metal surface on the server. Then, remove the DIMM from the package.
Attention: To avoid breaking the retaining clips or damaging the DIMM
connectors, open and close the clips gently.
c. Turn the DIMM so that the DIMM keys align correctly with the slot.
d. Insert the DIMM into the connector by aligning the edges of the DIMM with
the slots at the ends of the DIMM connector. Firmly press the DIMM straight
down into the connector by applying pressure on both ends of the DIMM
simultaneously. The retaining clips snap into the locked position when the
DIMM is firmly seated in the connector. If there is a gap between the DIMM
and the retaining clips, the DIMM has not been correctly inserted; open the