IBM System x3610, Problem Determination And Service Manual

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Removing a memory module (DIMM)
To remove a DIMM, complete the following steps.
DIMM
DIMM connector
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 43.
2. Turn off the server and peripheral devices and disconnect all power cords and
external cables.
3. Remove the cover (see “Removing the cover” on page 46).
4. Remove the air duct (see “Removing the air duct” on page 47).
Attention: To avoid breaking the retaining clips or damaging the DIMM
connectors, open and close the clips gently.
5. Open the retaining clip on each end of the DIMM connector and lift the DIMM
from the connector.
6. Replace the DIMM or remove the second DIMM of the pair.
7. If you are instructed to return the DIMM, follow all packaging instructions, and
use any packaging materials for shipping that are supplied to you.
Installing a memory module
For information about the types of dual inline memory modules (DIMMs) that the
server supports and other information that you must consider when installing
DIMMs, see the
User’s Guide on the IBM System x Documentation CD.
v
The server comes with a minimum of two 512 MB DIMMs, installed in connectors
1 and 2 or one 1 GB DIMM, installed in connector 1. When you install additional
DIMMs, you must install the DIMMs in the order shown in the following tables, to
maintain performance.
Table 7. DIMM installation sequence, non-interleaved
DIMM DIMM connectors
1st 1
2nd 3
3rd 5
Table 8. DIMM installation sequence, interleaved
DIMM pair DIMM connectors
1st 1 and 2
2nd 3 and 4
3rd 5 and 6
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IBM System x3610 Type 7942: Problem Determination and Service Guide