Cisco 3000 Series, Hardware Installation And Maintenance

Page: 90 / 102

Entering
the
Bootstrap
Program
Display/Reset
Virtual Configuration
RegisterThe command
displays the virtual
configuration register
The
command
used with the
/r option will reset the configuration
register
to
the default
and
cause
the system software
image
to ignore the configuration
register
information
sets the ignore
NVR.4M
contents bit
0x0040 To
reset to
the default enter the
following at the
prompt
0/F
Table
C-i
lists
additional
command
options
Table
C-i
Command
Options
Monitor
Command
Function
Displays
the virtual configuration
register
currently
in effect
with
description
of
the bits
o/r Resets the
virtual configuration
register to
the defaults
as
follows
9600 baud
console
UART
speed
break/abort has
no
effect
ignore
the system
configuration
boot from
ROM
o/r
Oxvalue
Sets the virtual configuration
register
to the
hex
value value
To
automatically
reboot the router enter the
command
after
entering
the
o/r
command
Note To
enable the router
to
read the nonvolatile
RAM
configuration clear
the
ignore
NVRAM
contents
bit
0x0040
with
the
config-register
command
after using the o/r
command
Memory/Bus DiagnosticThe
command
runs
the
memory test
By
default the
memory
test
examines
processor
main
memory
Caution
It is
good
practice
for you
to
save the
configuration in
file
on
host
in
your
network
before testing
To
test
memoly enter the
command
with the
option at
the
prompt
as
follows
tm
To
use the default addresses
and
select
the
default
tests press the
Return key
after
each
prompt
displayed
The
time
to
run
diagnostic is
memory
size
dependent
It
will
take
minimum
of ten
minutes
If
the
program
encounters memoiy problems
it
will
display appropriate error
messages on
the console
terminal
Be
sure
to reinitialize
the processor before booting the
system by
entering
at
the bootstrap
prompt
Bootstrap
Program C-3