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The following illustration shows the memory module installation rules for servers that have two
microprocessors (CPU1 and CPU2) installed.
Figure 36. Memory module installation rules
Installing a memory module
Attention:
Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii and “Guidelines” on page 59.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Notes:
• To optimize system performance, ensure that you consider and follow the memory module installation
rules when performing the operation. See “Memory module installation rules” on page 66.
• Use any documentation that comes with the memory module and follow those instructions in addition to
the instructions in this topic.
To install a memory module, do the following:
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ThinkServer RD550 User Guide and Hardware Maintenance Manual
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