46 7000 Series Route Switch Processor (RSP7000) Installation and Configuration in the Cisco 7000 Series Routers
Reference Information
Step 5 Use the following series of commands to designate the file image.new (which is in the Flash
memory card in slot 0) as the default boot image:
Router# config t
Router(config)# no boot system
Router(config)# boot system flash slot0:image.new
Router(config)# ^z
Router# copy running-config startup-config
Router# reload
When the system reloads, it will boot the file image.newfrom the Flash memory card in slot 0.
Recovering from Locked Blocks
A locked block of Flash memory occurs when power is lost or a Flash memory card is unplugged
during a write or erase operation. When a block of Flash memory is locked, it cannot be written to
or erased, and the operation will consistently fail at a particular block location. The only way to
recover from locked blocks is by reformatting the Flash memory card with the format command.
Caution Formatting a Flash memory card will cause existing data to be lost.