Lenovo RD210 User Manual
Page 34
By
placing
the
system-error
LED
indicator
in
Remind
mode,
you
acknowledge
that
you
are
aware
of
the
last
failure
but
will
not
take
immediate
action
to
correct
the
problem.
The
remind
function
is
controlled
by
the
IMM.
v
NMI
button:
Press
this
button
to
force
a
nonmaskable
interrupt
to
the
microprocessor.
You
might
have
to
use
a
pen
or
the
end
of
a
straightened
paper
clip
to
press
the
button.
It
allows
you
to
blue
screen
the
server
and
take
a
memory
dump
(use
this
button
only
when
directed
by
service
personnel).
v
Checkpoint
code
display:
This
display
1
provides
a
checkpoint
code
that
indicates
the
point
at
which
the
system
stopped
during
the
boot
block
and
POST.
A
checkpoint
code
is
either
a
byte
or
a
word
value
that
is
produced
by
UEFI.
The
display
does
not
provide
error
codes
or
suggest
components
to
be
replaced.
Checkpoint
codes
can
be
used
by
service
and
support
for
more
in-depth
troubleshooting.
By
using
the
checkpoint
code
display,
you
do
not
have
to
wait
for
the
video
to
initialize
each
time
you
restart
the
server.
There
are
two
types
of
checkpoint
codes:
field
programmable
gate
array
(FPGA)
hardware
checkpoint
codes
and
UEFI
checkpoint
codes.
The
UEFI
checkpoint
codes
might
change
because
of
code
sequence
and
timing
changes
or
when
the
server
firmware
is
updated.
v
Reset
button:
Press
this
button
to
reset
the
server
and
run
the
power-on
self-test
(POST).
You
might
have
to
use
a
pen
or
the
end
of
a
straightened
paper
clip
to
press
the
button.
The
Reset
button
is
in
the
lower-right
corner
of
the
EasyLED
panel.
18
ThinkServer
RD210
Types
3795,
3796,
3818,
and
3819:
Installation
and
User
Guide