AC
power
LED:
This
green
LED
provides
status
information
about
the
power
supply.
During
typical
operation,
both
the
ac
and
dc
power
LEDs
are
lit.
For
any
other
combination
of
LEDs,
see
the
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
xSeries
Documentation
CD.
Power-cord
connector:
Connect
the
power
cord
to
this
connector.
Ethernet
Activity
LED:
This
LED
is
on
the
Ethernet
connector.
When
it
flashes,
it
indicates
that
data
is
being
transmitted
or
received
between
the
server
and
the
network
device
that
is
connected
to
the
connector.
The
flashing
frequency
is
proportional
to
the
amount
of
traffic
on
the
network
link.
ASM:
Use
this
connector
to
connect
the
server
to
an
Advanced
System
Management
(ASM)
network.
Ethernet
link
status
LED:
This
LED
is
on
the
Ethernet
connector.
When
this
LED
is
lit,
there
is
an
active
connection
on
the
Ethernet
port.
Remote
Supervisor
II
SlimLine
Ethernet:
Use
this
connector
to
connect
the
server
to
an
optional
Remote
Supervisor
Adapter
II
SlimLine
installed
in
another
server.
This
connector
is
enabled
when
the
Remote
Supervisor
II
SlimLine
option
is
installed.
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
except
for
the
service
processor
is
shut
down;
however,
the
server
can
respond
to
requests
from
the
service
processor
(also
called
the
baseboard
management
controller),
such
as
a
remote
request
to
turn
on
the
server.
The
power-on
LED
flashes
to
indicate
that
the
server
is
connected
to
ac
power
but
is
not
turned
on.
Turning
on
the
server
Approximately
20
seconds
after
the
server
is
connected
to
ac
power,
the
power-control
button
becomes
active,
one
or
more
fans
might
start
running,
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
the
server
is
connected
to
an
Advanced
System
Management
interconnect
network
that
contains
at
least
one
server
with
an
optional
Remote
Supervisor
Adapter
II
SlimLine
installed,
the
server
can
be
turned
on
from
the
Remote
Supervisor
Adapter
II
SlimLine
user
interface.
v
If
your
operating
system
supports
the
systems-management
software
for
an
optional
Remote
Supervisor
Adapter
II
SlimLine,
the
systems-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.
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
Chapter
1.
Introducing
the
IBM
xSeries
236
Type
8841
server
13
Summary of Contents for eServer xSeries 236
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