From the operating system software, you can configure the router to remain in the ROM monitor the next time it boots. 0x0 Enter the reload command to reboot the router with the new configuration register value, 0x0. The router remains in the ROM monitor and does not boot the operating system. As long as the configuration value is 0x0, you must manually boot the operating system from the console. During this 60-second window, you can break to the ROM monitor prompt by pressing the Break key.
Commands are case sensitive.
You can halt any command by pressing the Break key on a terminal. If you are using a PC, most terminal emulation programs halt a command when you press the Ctrl and the Break keys at the same time. If you are using another type of terminal emulator or terminal emulation software, refer to the documentation for that product for information on how to send a Break command. Boot an image. The boot command with no arguments boots the first image in boot ROM memory as the system image.