Chapter 9 Removing and Installing the NPE or NSE
Removing and Replacing the NPE or NSE
Caution SODIMMs are sensitive components that are susceptible to ESD damage. Handle SODIMMs by the edges only; avoid touching the memory modules, pins, or traces (the metal fingers along the connector edge of the SODIMM). (See Figure
Figure 9-15 Handling a SODIMM
1. Press power switch to standby (
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Follow these steps to install the new SODIMM:
Cisco 813 router
33105
5.Press power switch to on ( 
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2.Connect power supply cable.
Step 1 Remove a new SODIMM from the antistatic container.
Step 2 Hold the SODIMM
Step 3 Tilt the SODIMM to approximately the same angle as the socket, and insert the connector edge into the socket.
Caution When inserting the SODIMM, use firm but not excessive pressure. If you damage a socket, you will have to return the
Step 4 Gently press on the SODIMM until the SODIMM spring latches snap into place.
Step 5 If the SODIMM appears misaligned, carefully remove it and reseat it in the socket. Push the SODIMM gently back into the socket until the spring latches snap into place.
This completes the SDRAM SODIMM replacement procedure. To reinstall the
Checking a SDRAM Upgrade or Replacement
If, after a SDRAM upgrade or replacement, the system fails to boot properly, or if the console terminal displays a checksum or memory error, ensure that the SIMM, DIMM, or SODIMM is installed correctly. If necessary, shut down the system and remove the network processing engine or network services engine. Check the SIMM, DIMM, or SODIMM by looking straight down it and then at eye level. The
Network Processing Engine and Network Services Engine Installation and Configuration
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