IBM 8862 User Manual - Page 47

Server, power, features, Turning, server

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EXP LED: When this LED is lit, it indicates that an attached I/O expansion unit has failed. LOG LED: When this LED is lit, it indicates that you should view the event log or the Remote Supervisor Adapter II log for information about a non-optimal condition. OVER SPEC LED: When this LED is lit, it indicates that there is greater demand on the power supplies than they are specified to deliver. Remind button: Press this button to reset the system-error LED on the operator information panel and place the server in remind mode. In remind mode, the fault has not been cleared but the system-error LED is flashing (once every 2 seconds) instead of lit; the system-error LED will be lit if another system error occurs. 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, 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 not turned on. 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 You can turn on the server through the Remote Supervisor Adapter or Remote Supervisor Adapter II user interface. v The system-management software for the Remote Supervisor Adapter II 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 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. Chapter 3. Server controls, LEDs, and power 35

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EXP
LED:
When
this
LED
is
lit,
it
indicates
that
an
attached
I/O
expansion
unit
has
failed.
LOG
LED:
When
this
LED
is
lit,
it
indicates
that
you
should
view
the
event
log
or
the
Remote
Supervisor
Adapter
II
log
for
information
about
a
non-optimal
condition.
OVER
SPEC
LED:
When
this
LED
is
lit,
it
indicates
that
there
is
greater
demand
on
the
power
supplies
than
they
are
specified
to
deliver.
Remind
button:
Press
this
button
to
reset
the
system-error
LED
on
the
operator
information
panel
and
place
the
server
in
remind
mode.
In
remind
mode,
the
fault
has
not
been
cleared
but
the
system-error
LED
is
flashing
(once
every
2
seconds)
instead
of
lit;
the
system-error
LED
will
be
lit
if
another
system
error
occurs.
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,
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
not
turned
on.
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
You
can
turn
on
the
server
through
the
Remote
Supervisor
Adapter
or
Remote
Supervisor
Adapter
II
user
interface.
v
The
system-management
software
for
the
Remote
Supervisor
Adapter
II
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
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.
Chapter
3.
Server
controls,
LEDs,
and
power
35