Table of Contents
Advertisement
v When you install or remove DIMMs, the server configuration information
To install a DIMM, complete the following steps:
1. Read the safety information that begins on page v and "Installation guidelines"
2. Turn off the server and peripheral devices, and disconnect the power cord and
3. Remove the riser-card assembly (see "Removing the riser-card assembly" on
4. Remove the air baffle (see "Removing the air baffle" on page 12).
5. Open the retaining clip on each end of the DIMM connector.
6. Touch the static-protective package that contains the DIMM to any unpainted
7. Turn the DIMM so that the key aligns correctly with the connector.
8. Insert the DIMM into the connector by aligning the edges of the DIMM with the
16
IBM System x3655 Type 7985: Installation Guide
basis. Each microprocessor requires that two or more pairs of DIMMs be
installed to support online sparing. The DIMMs must be the same speed, type,
size (or larger), and technology as the failed pair of DIMMs
Enable online-spare memory through the Configuration/Setup Utility program.
The BIOS code assigns the online-spare DIMM pairs according to your DIMM
configuration.
changes. When you restart the server, the system displays a message that
indicates that the memory configuration has changed.
on page 9.
all external cables. Remove the cover.
page 23).
Attention:
To avoid breaking the retaining clips or damaging the DIMM
connectors, open and close the clips gently.
metal surface on the outside of the server. Then, remove the DIMM from the
package.
slots at the ends of the DIMM connector. Firmly press the DIMM straight down
into the connector by applying pressure on both ends of the DIMM
simultaneously. The retaining clips snap into the locked position when the DIMM
is firmly seated in the connector.
Note: If there is a gap between the DIMM and the retaining clips, the DIMM
has not been correctly inserted; open the retaining clips, remove the DIMM, and
then reinsert it.
Advertisement
Table of Contents
