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Installing a DIMM
Use this information to install a DIMM.
Read the safety information in “Safety” on page v and “Installation guidelines” on page 33.
If you are installing an optional device in the server, turn off the server and peripheral devices, and disconnect
the power cords and all external cables.
Attention:
Static electricity that is released to internal server components when the server is powered on
might cause the server to halt, which might result in the loss of data. To avoid this potential problem,
always use an electrostatic-discharge wrist strap or other grounding system when you work inside the
server with the power on.
The following illustration shows the location of the DIMM connectors on the system board.
DIMM 1
DIMM 2
DIMM 3
DIMM 4
Microprocessor
DIMM 4
DIMM 3
DIMM 2
DIMM 1
Figure 17. The location of the DIMM connectors on the system board
To install a DIMM, complete the following steps.
Step 1.
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 10. DIMM installation sequence
Number of DIMMs
Installation sequence (connectors)
First pair of DIMMs
1, 3
Second pair of DIMMs
2, 4
Step 2.
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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