Cisco 2500 Series Installation And Configuration Guide

Step 8 When the top cover is off, set it aside. Figure B-2 shows the layout of the system card, which is the
same for the routers.
Figure B-2: System Card Layout--Model 2520
Upgrading the DRAM SIMM
This section describes how to upgrade the DRAM SIMM on the system card. You might need to upgrade the
DRAM SIMM for the following reasons:
You upgrade the Cisco IOS feature set or release.
●
Your router maintains large routing tables or other memory-intensive features, such as spoofing or
protocol translations.
●
To see how much memory is currently installed in the router, enter the show version command. Near the
middle of the resulting output, a message similar to the following displays:
Cisco XXXX(68030) processor (revision X) with 4092K/2048K bytes of memory.
This line shows how much memory is installed (in this example, 4092K/2048K). The first number represents
primary memory and the second number represents shared memory.
Maintaining the Router
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Cisco 2500 Series Specifications

General

Brand	Cisco
Model	2500 Series
Category	Controller
Language	English