Cisco 3600 Series

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Cisco 3600 Series Hardware Installation Guide
OL-2056-02
Chapter 5 Installing Memory in the Router
Replacing DRAM and SDRAM
SDRAM DIMM Orientation
DIMMs have polarization notches to ensure proper orientation and alignment holes to ensure proper
positioning. Figure 5-12 shows the polarization notches and alignment holes on a DIMM.
Caution To avoid damaging ESD-sensitive components, observe all ESD precautions. To avoid damaging the
underlying mainboard, do not use excessive force when you remove or replace DIMMs.
Figure 5-12 SDRAM DIMM
Polarization notches
Connector edge
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Alignment holes