3. Unlock and remove the side cover (see “Removing the side cover” on page
166).
4. Carefully turn the server on its side so that it is lying flat, with the system
board facing up.
Attention: Do not allow the server to fall over.
5. Locate the DIMM connectors on the system board. Determine the connectors
into which you will install the DIMMs. Install the DIMMs in the sequence shown
in the following table.
Table 18. DIMM installation sequence
Number of DIMMs Installation sequence (connectors)
First pair of DIMMs 1, 3
Second pair of DIMMs 2, 4
6. Open the retaining clips and, if necessary, remove any existing DIMM.
Attention: To avoid breaking the retaining clips or damaging the DIMM
connectors, open and close the clips gently.
7. Touch the static-protective package that contains the DIMM to any unpainted
metal surface on the server. Then, remove the new DIMM from the package.
8. Turn the DIMM so that the DIMM keys align correctly with the connector.
9. 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 installed. Open the
retaining clips, remove the DIMM, and then reinsert it.
10. Install and lock the side cover (see “Installing the side cover” on page 167).
11. Stand the server back up in its vertical position.
12. Reconnect the external cables and power cords; then, turn on the attached
devices and turn on the server.
Removing the system battery
The following notes describe information that you must consider when you replace
the battery:
Chapter 5. Removing and replacing server components 207
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