Installing A Dimm - Lenovo System x3500 M5 Type 5464 Installation And Service Manual

Note: You can install DIMMs for the microprocessor 2 once the microprocessor 2 is installed. You do not
need to wait until all of the DIMM connectors for microprocessor 1 are filled.
The following table shows the installation sequence for memory rank sparing mode:
Table 9. Memory rank sparing mode DIMM population sequence
Number of DIMMs
First pair of DIMMs
Second pair of DIMMs
Third pair of DIMMs
Fourth pair of DIMMs
Fifth pair of DIMMs
Sixth pair of DIMMs
First pair of DIMMs
Second pair of DIMMs
Third pair of DIMMs
Fourth pair of DIMMs
Fifth pair of DIMMs
Sixth pair of DIMMs
Seventh pair of DIMMs
Eighth pair of DIMMs
Ninth pair of DIMMs
Tenth pair of DIMMs
Eleventh pair of DIMMs
Twelfth pair of DIMMs
Note: Rank Sparing is only supported when there is more than 1DPC or if a single QRDIMM is installed

Installing a DIMM

Use this information to install a DIMM.
Read the safety information in "Safety" on page v and "Installation guidelines" on page 29.
If you are replacing a server component in the server, you need to turn off the server and peripheral devices,
and disconnect the power cords and all external cables.
To install a DIMM, complete the following steps.
Step 1. Unlock and remove the left-side cover (see "Removing the left-side cover" on page 49).
Step 2. Remove the air baffle (see "Removing the air baffle" on page 188).
Step 3. Open the retaining clip on each end of the DIMM connector.
Attention: To avoid breaking the retaining clips or damaging the DIMM connectors, open and
close the clips gently.
Number of installed
microprocessor
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
DIMM connector
1, 2
4, 5
8, 9
11, 12
7, 10
3, 6
1, 2
13, 14
4, 5
16, 17
8, 9
20, 21
11, 12
23, 24
7, 10
19, 22
3, 6
15, 18
.
Chapter 2 Installing optional devices
79