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C-9
Cisco Secure Router 520 Series Software Configuration Guide
OL-14210-01
Appendix C ROM Monitor
Exiting the ROM Monitor
FP: 0x80005f9c, PC: 0x80008118
FP: 0x80005fac, PC: 0x80008064
FP: 0x80005fc4, PC: 0xfff03d70
FP: 0x80005ffc, PC: 0x00000000
FP: 0x00000000, PC: 0x00000000
• meminfo—Displays size in bytes, starting address, available range of main memory, the starting
point and size of packet memory, and size of NVRAM; for example:
rommon 9> meminfo
Main memory size: 40 MB.
Available main memory starts at 0x10000, size 40896KB
IO (packet) memory size: 5 percent of main memory.
NVRAM size: 32KB
Exiting the ROM Monitor
You must set the configuration register to a value from 0x2 to 0xF for the router to boot a Cisco IOS
image from flash memory upon startup or reloading.
The following example shows how to reset the configuration register and cause the router to boot a
Cisco
IOS image stored in flash memory:
rommon 1 > confreg 0x2101
You must reset or power cycle for new config to take effect:
rommon 2 > boot
The router will boot the Cisco IOS image in flash memory. The configuration register will change to
0x2101 the next time the router is reset or power cycled.