Table 36. Memory rank sparing mode DIMM population sequence (continued)
Number of DIMMs
Number of installed
microprocessor
DIMM connector
Sixth pair of DIMMs
1
3, 6
Seventh pair of DIMMs
2
13, 14
Eighth pair of DIMMs
2
16, 17
Ninth pair of DIMMs
2
20, 21
Tenth pair of DIMMs
2
23, 24
Eleventh pair of DIMMs
2
19, 22
Twelfth pair of DIMMs
2
15, 18
Note:
DIMM connectors 3, 6, 7, 10, 15, 18, 19, and 22 are not used in memory rank sparing mode when UDIMMs
are installed in the server.
Installing a DIMM
Use this information to install a DIMM.
Before you begin
Read the safety information in “Safety” on page vii and “Installation guidelines”
on page 34.
If you are replacing a component or installing an optional device in the server, you
need to turn off the server and peripheral devices, and disconnect the power cords
and all external cables.
About this task
To install a DIMM, complete the following steps.
Procedure
1.
Carefully turn the server on its side so that it is lying flat, with the cover
facing up.
Attention:
Do not allow the server to fall over.
2.
Unlock and remove the left-side cover (see “Removing the left-side cover” on
page 39).
3.
Remove the air baffle if installed (see “Removing the air baffle” on page 210).
4.
Locate the DIMM connectors on the system board (see “System-board internal
connectors” on page 27). Determine the connectors into which you will install
the DIMMs.
5.
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.
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System x3500 M4 Type 7383: Installation and Service Guide
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