Installing And Removing Dimms; Removing A Dimm - Cisco CISCO1841 - 1841 Integrated Services Router Hardware Installation Manual

Installing and Removing DIMMs

Installing and Removing DIMMs

Cisco 1800 series fixed-configuration routers have 128 MB of DDR SDRAM installed on the system
board. You can install an additional DIMM in the DIMM connector to expand system memory to a
maximum of 384 MB.
Before you remove or install a DIMM, remove the chassis cover as described in the
Chassis Cover" section on page
When you remove or install DIMMs, always wear an ESD-preventive wrist strap, and ensure that it
Caution
makes good contact with your skin. Connect the equipment end of the wrist strap to the metal part of the
chassis.
Caution Handle DIMMs by the edges only. DIMMs are ESD-sensitive components and can be damaged by
mishandling.

Removing a DIMM

Follow these steps to remove a DIMM from the system board:
Locate the DIMM on the system board.
Step 1
Step 2 Pull the latches away from the DIMM at both ends; pulling the latches away lifts the DIMM slightly.
Now you can lift the DIMM out of the connector. See
Figure 7-3
3
2
1
Place the DIMM in an antistatic bag to protect it from ESD damage.
Step 3
Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
7-4
Removing a DIMM
Release the latches
Chapter 7
7-2.
Figure 7-2 shows the location of the DIMM connector.
Figure
1
2
Remove the DIMM
Installing and Upgrading Internal Modules
"Removing the
7-3.
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