Bootstrap
Program
Bootstrap
Program
This
section
describes
the bootstrap
program
also
known
as
the
ROM
monitor
The
bootstrap
program
can
help
you
isolate
or
rule
out
hardware
problems
encountered
when
installing
your router
summary
of the bootstrap
diagnostic
tests
and
command
options
follows
Entering the Bootstrap
Program
The
bootstrap
diagnostics
help
initialize
the
processor
hardware
and
boot
the
main
operating
system
software
If
you
set
the software
configuration
register
bits
and
to
zero you
can
start the
server
in
standalone
bootstrap
mode
The
bootstrap
mode
prompt
is
an
angle
bracket
To
enable
the
Break key
and
to
default
to
booting
in
the bootstrap
mode
at
the bootstrap
prompt
set
the
configuration
register
to
0x0 by
entering
the following
o/r
OxO
See
Table
4-2
for
an explanation
of
the
o/r
command
While
running
the system
software
you
can
reset
the configuration
register
to
0x0 by
entering
configuration
mode
and
then
entering
the
configuration
command
following
config-register
OxO
The
new
configuration
register
value
0x0
takes
effect
after
the router
is
rebooted
If
you
set
the
configuration
to
OxO
you
will
have
to
manually
boot
the system
each
time
you
reboot
the router
Note
Break
interrupt
is
always
enabled
for
60
seconds
after
booting
the
system
even
if
break
is
configured
to
be
off
by
setting
the configuration
register
During
the 60-second
window
you
can
break
to
the
bootstrap
program
prompt The
ROM
monitor
o/r
command
will
reset
the configuration
register
back
to
the default
value
Available Bootstrap
Commands
Once
in
the
bootstrap
mode
enter
at
the
prompt
to
display
list
of available
commands
and
options
as
follows
Toggle
cache
state
Server
IP
address
TFTP
Server
Name
Load
and
execute
system
image
from
RON
or
from
TFTP
server
Continue
address
/S
Deposit
value
of
size
into
location
with
modifier
/S
Examine
location
with
size
with
modifier
Begin
execution
Help
for
commands
Initialize
Displays
Stack
trace
Server
IP
address
TFTP
Server
Name
Load
system
image
from
RON
or
from
TFTP
server
but
do
not
begin
execution
Show
software
configuration
register
option
settings
Set
break
point
Single
step
next
instruction
function
Test
device
for
help
Deposit
and
Examine
sizes
may
be
byte
long
or
short
Modifiers
may
be
register
or
byte
swap
Register
names
are
DOD7
AO-A7
SS US
SR
and
PC
Troubleshooting
the
Initial
Hardware
Configuration
4-11
Summary of Contents for CRM3
Page 1: ...ems en SYsTEM ...
Page 7: ...vi CRM3 Hardware Installation and Maintenance ...
Page 11: ...CRM3 Hardware Installation and Maintenance ...
Page 17: ...System Specifications 1 4 CRM3 Hardware Installation and Maintenance ...
Page 35: ...Inspecting the System 2 18 CRM3 Hardware Installation and Maintenance ...
Page 57: ...Bootstrap Program 4 14 CRM3 Hardware Installation and Maintenance ...
Page 67: ...Recovering Lost Password 5 10 CRM3 Hardware Installation and Maintenance ...
Page 87: ...Virtual Configuration Register Settings B fl CRM3 Hardware Installation and Maintenance ...