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Hardware Installation Guide for the Cisco 4000 Series  Integrated Services Router
OL-32185-02
Chapter 5      ROM Monitor Overview and Basic Procedures
  Exiting ROM Monitor Mode
Step 5 Messages pertaining to the upgrade are displayed on the console. After the display of these messages 
stops and the router prompt is available, run the reload command to reload the router.
Step 6 If autoboot has not been enabled by using the config-register 0x2102 command, run the boot 
filesystem:/file-location command at the ROMmon prompt to boot the Cisco IOS XE image, where 
filesystem:/file-location is the path to the consolidated package file. The ROMmon upgrade is not 
permanent for any piece of hardware until the Cisco IOS XE image is booted.
Step 7 Run the enable command at the user prompt to enter the privileged EXEC mode after the boot is 
complete. 
Step 8 Run the show platform command or the show rom-monitor slot command to verify whether the 
ROMmon has been upgraded.