Table 3. System memory configuration for performance (continued)
Installed
memory
DIMM connector
123456789101112131415161718192021222324
18 DIMMs X X X X X X XXXXXX XXX XXX
20 DIMMs XXXXXXXX XXXXXX XXX XXX
22 DIMMs XXXXXXXX XXXXXXXXXXX XXX
24 DIMMs XXXXXXXXXXXXXXXXXXXXXXXX
The following table lists the memory configurations and installation order to
optimize the IBM MAX5 for power saving.
Table 4. System memory configuration for power saving (uses a maximum of 8 DIMMs)
Installed
memory
DIMM connector
123456789101112131415161718192021222324
2 DIMMs X X
4 DIMMs X X X X
6 DIMMs X X X X X X
8 DIMMs XXXXXXXX
Table 5. System memory configuration for mirroring with power savings (uses a maximum of 16 DIMMs). This
configuration mirrors the DIMMs in DIMM Grouping A with the DIMMs in DIMM Grouping B.
Note: Mirroring is supported between DIMM pairs.
Installed
memory
DIMM connector
123456789101112131415161718192021222324
4 DIMMs X X X X
8 DIMMs X X X X XXXX
12 DIMMs X X X X X X X X X X X X
16 DIMMs XXXXXXXX XXXXXXXX
DIMM installation procedure
To install a DIMM, complete the following steps:
1. Before you begin, read “Safety” on page v and “Installation guidelines” on
page 23.
2. Read the documentation that comes with the DIMMs.
3. Locate the DIMM connectors (see “Blade server connectors - BladeCenter HX5”
on page 21). Determine the DIMM connector into which you will be installing
memory.
4. If another memory module is already installed in the DIMM connector, remove
it (see “Removing a DIMM - BladeCenter HX5” on page 42).
5. Touch the static-protective package that contains the DIMM to any unpainted
metal surface on the BladeCenter unit or any unpainted metal surface on any
other grounded rack component in the rack in which you are installing the
DIMM for at least 2 seconds; then, remove the DIMM from its package.
6. To install the DIMMs, repeat the following steps for each DIMM that you
install.
Chapter 3. Installing optional devices 35
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