Dummy Dimm Modules - Fujitsu PRIMERGY BX920 S3 Upgrade And Maintenance Manual

Main memory
8.1.1.7

Dummy DIMM modules

All empty DIMM slots must be fitted with dummy DIMM modules to ensure
sufficient cooling of the system.
Figure 57: Dummy DIMM module
Dummy modules are installed and removed in the same way as the DIMM
modules as described in sections "Installing a memory module" on page 173
and "Removing a memory module" on page 176.
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BX920 S3