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When inserting DIMMs, use firm but not excessive pressure. If you damage a socket, you will have to return
the router to the factory for repair.
Caution
Step 5
Use light insertion force and insert smoothly, but ensure that the DIMM is inserted straight. If necessary, rock the DIMM
gently back and forth to seat it properly. The following figure shows how to install the DIMM in the socket for the Cisco
ASR 1001-X Router.
Figure 21: Installing a DIMM in the Socket of the Cisco ASR 1001-X Router
Step 6
After the DIMM is installed, check whether the release levers are flush against the sides of the DIMM socket. If they
are not, the DIMM might not be seated properly. If the DIMM appears misaligned, carefully remove it according to the
removal procedure and then reseat it in the socket. Push the DIMM firmly back into the socket until the release levers
are flush against the sides of the DIMM socket.
Step 7
Repeat Step 4 through Step 6 for the remaining DIMM.
Step 8
Replace the Cisco ASR 1001-X Router top cover:
a) Slide the cover onto the chassis ensuring that the interlock hook feature fits on the chassis cover and base.
b) Install the top surface screws and the side screws and tighten them slightly.
Step 9
Install the power supplies into the chassis. See:
What to Do Next
This completes the procedure for replacing the Cisco ASR 1001-X Router DIMM.
After you have correctly installed the Cisco ASR 1001-X Router DIMMs, the system should reboot properly.
If the system fails to reboot properly or if the console terminal displays a checksum or memory error after
you have installed the new DIMMs, check the following:
Ensure that both the DIMMs are installed correctly. If necessary, shut down the system and remove the chassis
cover. Check the DIMMs by looking straight down on them to inspect them at eye level. The DIMMs should
be aligned at the same angle and the same height when properly installed. If a DIMM appears to stick out or
Cisco ASR 1001-X Router Hardware Installation Guide
107
Removing and Replacing FRUs from the Cisco ASR 1001-X Router
Removing and Replacing the Cisco ASR 1001-X Router DIMM Memory Module