Rom Monitor Syntax Conventions; Rom Monitor Command Descriptions; Boot Commands In The Rom Monitor - Cisco 3700 Series Hardware Installation Manual

Appendix B Using the ROM Monitor
help
history
iomemdef
meminfo
repeat
reset
rommon-pref
set
stack
sync
sysret
tftpdnld
unalias
unset
xmodem
rommon 2>
Not all ROM monitor commands are available on all platforms.
Note
To display information about command syntax, enter the command name followed by -?. ROM monitor
commands are case-sensitive. Enter commands exactly as shown. You can end any command by
generating a Break (system interrupt) at the console.

ROM Monitor Syntax Conventions

ROM monitor syntax in this appendix uses the following conventions:
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•
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ROM Monitor Command Descriptions

This section describes some useful ROM monitor commands. See the Cisco IOS configuration guides
and command references for more information on ROM monitor commands.

Boot Commands in the ROM Monitor

The router always boots first from a Cisco IOS software image in CompactFlash memory, because there
is no separate, dedicated boot helper image ([rx]boot). The first image in CompactFlash memory
functions as the boot helper image, but you can override this by setting the BOOTLDR Monitor
OL-2180-08
monitor builtin command help
monitor command history
set IO mem to a default 25%
main memory information
repeat a monitor command
system reset
select ROMMON
display the monitor variables
produce a stack trace
write monitor environment to NVRAM
print out info from last system return
tftp image download
unset an alias
unset a monitor variable
x/ymodem image download
Square brackets [ ] denote an optional element. In the following example, the element abc is not
required, but you can specify it if you choose:
command [abc]
If a minus option is followed by a colon (for example, [-s:]) you must provide an argument for the
option.
A term in italics means that you must fill in the appropriate information. In the following example,
you replace the term in italics with the interface type you are using:
command interface-type

ROM Monitor Syntax Conventions

Cisco 3700 Series Routers Hardware Installation Guide
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