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B-6
Cisco 3600 Series Routers Hardware Installation Guide
OL-2056-05
Appendix B Using the ROM Monitor
ROM Monitor Command Descriptions
Informational Commands in the ROM Monitor
dev—List boot device identifications on the router, for example:
rommon 10 > dev
Devices in device table:
id name
flash: flash
slot0: PCMCIA slot 0
slot1: PCMCIA slot 1
eprom: eprom
dir device:[partition:]—Lists the files on the named device. For example:
rommon 8> dir flash:
File size Checksum File name
2229799 bytes (0x220627) 0x469e C3660-is-mz.122-13T
help—Shows a summary of ROM monitor commands (equivalent to ?).
meminfo—Displays main memory size, starting address, and available range; size of packet memory;
and size of NVRAM. The following example shows the meminfo command:
rommon 9 > meminfo
Main memory size: 16 MB in 32-bit mode.
Available main memory starts at 0xa000e000, size 16328KB
IO (packet) memory size: 25 percent of main memory.
NVRAM size: 128KB
meminfo [-l]—The meminfo command with the -l option shows supported DRAM configurations. The
following example shows an example of the meminfo -l command:
rommon 1> meminfo -l
The following 64 bit memory configs are supported:
-------------------------------------------------
DIMM SOCKET 0 DIMM SOCKET 1 TOTAL MEMORY
------------- ------------- ------------
16 MB 0 MB 16 MB
16 MB 16 MB 32 MB
32 MB 0 MB 32 MB
32 MB 16 MB 48 MB
32 MB 32 MB 64 MB
64 MB 0 MB 64 MB
64 MB 16 MB 80 MB
64 MB 32 MB 96 MB
64 MB 64 MB 128 MB
128 MB 0 MB 128 MB
128 MB 16 MB 144 MB
128 MB 32 MB 160 MB
128 MB 64 MB 192 MB
128 MB 128 MB 256 MB
rommon 2>
Other Useful ROM Monitor Commands
reset or i—Resets and initializes the router, similar to power on.