Replacing Flash Memory; Cisco 261X, Cisco 262X, Cisco 265X, And Cisco 26Xxxm; Tools Required; Preparing To Install The System-Code Simm - Cisco 2600 Series Hardware Installation Manual

Replacing Flash Memory

Step 4 Beginning with socket 0, insert the DIMM perpendicular to the socket. Push firmly into place, as shown
in step 1 of
alignment holes, and the locking spring clips click into place, as shown in Step 2 of
Ensure that each DIMM is straight (perpendicular to the socket). (See
Step 5
It is normal to feel some resistance when installing a DIMM, but do not use excessive force on the
Caution
DIMM, and do not touch the surface components.
Repeat
Step 6
Replace the router cover. Follow the instructions in the
Step 7
Replacing Flash Memory

Cisco 261x, Cisco 262x, Cisco 265x, and Cisco 26xxXM

The system code (router operating system software) is stored in a Flash memory 80-pin single in-line
memory module (SIMM).

Tools Required

You will need the following tools to remove and replace the system-code SIMM on the router:
•
•
•

Preparing to Install the System-Code SIMM

There is one system-code (Flash memory) SIMM socket on the system board. You can verify how much
Flash memory is already installed in your router by entering the show flash EXEC command.
The system code is stored on the Flash memory SIMM, but new system-code SIMMs are shipped
Caution
without preinstalled software. Before continuing with this procedure, use the copy flash tftp EXEC
command to back up the system code to a Trivial File Transfer Protocol (TFTP) server.
Cisco 2600 Series Routers Hardware Installation Guide
B-14
Figure B-9. When the DIMM is properly seated, the socket guide posts fit through the
Step 3 through Step 5 for each DIMM.
Medium-size flat-blade screwdriver (1/4-in. [0.625 cm])
ESD-preventive wrist strap
Flash SIMM
Appendix B
Figure B-9.)
"Closing the Chassis" section on page
Maintaining the Router
Figure B-9.
B34.
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