Max5 Memory - IBM System x3850 X5 Implementation Manual

Figure 4-15 Memory mezzanine tray
Table 4-9 NUMA-compliant DIMM installation: Two processors and the memory mezzanine installed
Processor 1 (planar DIMMs)
Buffer
4 N x
8 Y x
12 N x x
16 Y x x
20 N x x x
24 Y x x x
28 N x x x x x x x x x x x
32 Y x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x
a. For more information about Hemisphere Mode and its importance, see 2.3.5, "Hemisphere Mode" on page 26.
Tip: Table 4-9 lists only memory configurations that are considered best practice in
obtaining optimal memory and processor performance. For a full list of supported memory
configurations, see the IBM System x3690 X5 Installation and User Guide or the IBM
System x3690 X5 Problem Determination and Service Guide. You can obtain both of these
documents at the following website:
http://www.ibm.com/support

4.8.3 MAX5 memory

The MAX5 memory expansion unit has 32 DIMM sockets. It is designed to augment the
memory that is installed in the attached x3690 X5 server.
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IBM eX5 Implementation Guide
Buffer Buffer
x
x x
x x x
x x x x
x x x x x
x x x x x x
Processor 2 (mezzanine DIMMs)
Buffer Buffer
x
x x
x x x
x x x x
x x x x x
x x x x x x
x x x x x x x x x x x x x x
Buffer Buffer
x
x x
x x x
x x x x
x x x x x
x x x x x x
Buffer
x
x
x x
x x
x x x
x x x