Maintaining the Router B-9
System-Code SIMM Replacement
Note
For more information about the copy flash tftp command and other related
commands, refer to the Cisco IOS configuration and command reference publications.
These publications are available on the Documentation CD-ROM that came with your
router, and on Cisco Connection Online. You can also order printed copies. See the
“Ordering Documentation” on page xi for ordering information.
System-Code SIMM Replacement
Take the following steps to upgrade the system-code Flash memory SIMM:
Step 1
If you have not already done so, enter the copy flash tftp EXEC command to
back up the system code.
Step 2
Power OFF the router.
Step 3
Remove all cables from the rear panel of the router.
Step 4
Attach an ESD-preventive wrist or ankle strap.
Step 5
Open the chassis cover following the procedure in the “Opening the Chassis”
section on page B-3.
Step 6
Locate the system-code SIMM on the system card. (See Figure B-3.)
Step 7
If necessary, remove the existing system-code SIMM by pulling outward on the
connector holders to unlatch them. The connector holds the SIMM tightly, so be
careful not to break the holders on the SIMM connector. (See Figure B-5.)
Caution
To prevent damage, do not press on the center of the SIMM. Handle each
SIMM carefully.
