Lenovo System x3650 M5 Installation And Service Manual page 201

Table 14. 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
Seventh pair of DIMMs
Eighth pair of DIMMs
Ninth pair of DIMMs
Tenth pair of DIMMs
Eleventh pair of DIMMs
Twelfth pair of DIMMs
Replacing a memory module
Use this information to replace a memory module.
Step 1. Read the safety information that begins on "Safety" on page v and "Installation guidelines" on page
305.
Step 2. Turn off the server and peripheral devices and disconnect the power cords and all external cables,
if necessary.
Step 3. Remove the top cover (see "Removing the top cover" on page 162).
Step 4. Remove the air baffle (see "Removing the air baffle" on page 165).
Step 5. Carefully open the retaining clips on each end of the DIMM connector and remove the DIMM.
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
1
1
1
1
1
1
.
Chapter 5 Installing, removing, and replacing components
DIMM connector
1, 2
4, 5
8, 9
11, 12
3, 6
7, 10
13, 14
16, 17
20, 21
23, 24
15, 18
19, 22
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