Lenovo System x3100 M4 Installation And Service Manual page 58

8. Touch the static-protective package that contains the DIMM to any unpainted metal surface on the
outside of the server. Then, remove the DIMM from the package.
9. Turn the DIMM so that the DIMM keys align correctly with the connector.
10. Insert the DIMM into the connector by aligning the edges of the DIMM with the slots at the ends of the
DIMM connector.
11. 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.
Note: If there is a gap between the DIMM and the retaining clips, the DIMM has not been correctly
inserted; open the retaining clips, remove the DIMM, and then reinsert it.
12. Install the air duct.
13. Install the side cover (see
14. Stand the server back up in its vertical position.
15. Install the bezel (see
16. Reconnect the external cables and power cords; then, turn on the attached devices and turn on the
server.
To install a DIMM on the 5U server model with hot-swap power supplies (Model name: 2582-F4x), complete
the following steps. For 4U server models with non-hot-swap power supplies, please see the above sub-
section.
1. Read the safety information in
2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables.
3. Unlock and remove the side cover (see
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 8. DIMM installation sequence
Number of DIMMs
First pair of DIMMs
Second pair of DIMMs
System x3100 M4 Installation and Service Guide
44
"Replacing the side cover" on page
"Replacing the bezel" on page
"Safety" on page v
"Removing the side cover" on page
72).
70).
and "Installation guidelines" on page
Installation sequence (connectors)
1, 3
2, 4
30.
32).