Lenovo 6446 User Manual
Page 54
1
2
Attention:
In
a
dc
power
environment,
only
trained
service
personnel
other
than
Lenovo
service
technicians
are
authorized
to
connect
or
disconnect
power
to
the
dc
power
supply.
See
the
documentation
that
comes
with
each
dc
power
supply.
The
server
can
be
turned
off
in
any
of
the
following
ways:
v
You
can
turn
off
the
server
from
the
operating
system,
if
your
operating
system
supports
this
feature.
After
an
orderly
shutdown
of
the
operating
system,
the
server
will
be
turned
off
automatically.
v
You
can
press
the
power-control
button
to
start
an
orderly
shutdown
of
the
operating
system
and
turn
off
the
server,
if
your
operating
system
supports
this
feature.
v
If
the
operating
system
stops
functioning,
you
can
press
and
hold
the
power-control
button
for
more
than
4
seconds
to
turn
off
the
server.
v
The
service
processor
can
turn
off
the
server
as
an
automatic
response
to
a
critical
system
failure.
v
You
can
turn
off
the
server
through
a
request
from
the
service
processor.
40
ThinkServer
RD120
Types
6444,
6445,
6446,
and
6447:
Installation
Guide