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Cisco 7201 Installation and Configuration Guide
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Chapter 4 Replacing Cisco 7201 Field-Replaceable Units
Removing and Installing a DIMM
To replace or upgrade the DIMM, follow these instructions:
Figure 4-14 Removing and Replacing the DIMM
Note Use only a DDR-SDRAM DIMM purchased from Cisco.
Step 1 Attach an ESD-preventative wrist strap between you and an unpainted router surface.
Step 2 Locate the DIMM on the system board.
Step 3 Press both spring latches outward to release the DIMM.
Step 4 Gently pull the DIMM free from the DIMM socket, taking care not to touch the pins that insert into the
socket. Place the DIMM in an anti-static bag.
Caution Forcing the DIMM into the socket can damage the DIMM. Use the notches on the DIMM to align the
DIMM in the DIMM socket before inserting it.
Step 5 Locate the notches and align the DIMM with the socket before inserting it.
Step 6 Gently insert the new DIMM, taking care not to damage the pins on the edge of the DIMM.
Step 7 Press down on the DIMM until the spring latches lock the DIMM in place.
Go to the “Replacing the Cover and Powering On the Router” section on page 4-18 to complete this
installation procedure.
For memory specifications and configurations, see Appendix A, “Specifications.”
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