Server power features, Turning on the server, Server – IBM 206 User Manual
Page 24: Power, Features, Turning
Server
power
features
When
the
server
is
connected
to
an
ac
power
source
but
is
not
turned
on,
the
operating
system
does
not
run,
and
all
core
logic
is
shut
down;
however,
the
server
can
respond
to
remote
requests
to
turn
on
the
server.
The
power-on
LED
flashes
to
indicate
that
the
server
is
connected
to
an
ac
power
source
but
is
not
turned
on
(standby
mode).
Turning
on
the
server
Approximately
20
seconds
after
the
server
is
connected
to
ac
power,
the
power-control
button
becomes
active,
and
you
can
turn
on
the
server
and
start
the
operating
system
by
pressing
the
power-control
button.
The
server
can
also
be
turned
on
in
any
of
the
following
ways:
v
If
a
power
failure
occurs
while
the
server
is
turned
on,
the
server
will
restart
automatically
when
power
is
restored.
v
If
your
operating
system
supports
the
system-management
software
for
an
optional
Remote
Supervisor
Adapter
II,
the
system-management
software
can
turn
on
the
server.
v
If
your
operating
system
supports
the
Wake
on
LAN
feature,
the
Wake
on
LAN
feature
can
turn
on
the
server.
v
If
an
optional
Remote
Supervisor
Adapter
II
is
installed
in
the
server,
the
server
can
be
turned
on
from
the
Remote
Supervisor
Adapter
II
user
interface.
Note:
When
4
GB
or
more
of
memory
(physical
or
logical)
is
installed,
some
memory
is
reserved
for
various
system
resources
and
is
unavailable
to
the
operating
system.
The
amount
of
memory
that
is
reserved
for
system
resources
depends
on
the
operating
system,
the
configuration
of
the
server,
and
the
configured
PCI
options.
12
xSeries
206
Type
8482:
User’s
Guide