IBM 8671 Hardware Maintenance Manual - Page 47

Power, Attention, Description, action

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See your operating-system documentation to determine if your operating system supports hot-plug PCI adapters and, if so, how to disable the hot-plug PCI slot. Attention LEDs Each hot-plug PCI slot has an attention LED that is visible from the rear of the server and one that can be seen from inside the server. These LEDs have the same meaning; they are duplicated to be visible from outside or inside the server. An attention LED flashes approximately once per second when it is on. The meaning of the attention LEDs is defined by your operating system. See your operating-system documentation to determine if your operating system supports hot-plug PCI adapters and, if so, what the attention LEDs indicate. The following table describes the adapter power and attention LEDs. Table 4. Adapter power and attention LEDs Power LED Attention LED Description and action On Flashing The adapter requires attention. The slot still has power applied. Do not remove or install an adapter in the slot. See your operating-system documentation for instructions. On Off Normal operation; no intervention is required. Off Flashing The adapter requires intervention. Power is removed from the slot. An adapter can be removed or installed in the slot. Off Off Power is removed from the slot. An adapter can be removed or installed in the slot. Chapter 3. Diagnostics 37

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See
your
operating-system
documentation
to
determine
if
your
operating
system
supports
hot-plug
PCI
adapters
and,
if
so,
how
to
disable
the
hot-plug
PCI
slot.
Attention
LEDs
Each
hot-plug
PCI
slot
has
an
attention
LED
that
is
visible
from
the
rear
of
the
server
and
one
that
can
be
seen
from
inside
the
server.
These
LEDs
have
the
same
meaning;
they
are
duplicated
to
be
visible
from
outside
or
inside
the
server.
An
attention
LED
flashes
approximately
once
per
second
when
it
is
on.
The
meaning
of
the
attention
LEDs
is
defined
by
your
operating
system.
See
your
operating-system
documentation
to
determine
if
your
operating
system
supports
hot-plug
PCI
adapters
and,
if
so,
what
the
attention
LEDs
indicate.
The
following
table
describes
the
adapter
power
and
attention
LEDs.
Table
4.
Adapter
power
and
attention
LEDs
Power
LED
Attention
LED
Description
and
action
On
Flashing
The
adapter
requires
attention.
The
slot
still
has
power
applied.
Do
not
remove
or
install
an
adapter
in
the
slot.
See
your
operating-system
documentation
for
instructions.
On
Off
Normal
operation;
no
intervention
is
required.
Off
Flashing
The
adapter
requires
intervention.
Power
is
removed
from
the
slot.
An
adapter
can
be
removed
or
installed
in
the
slot.
Off
Off
Power
is
removed
from
the
slot.
An
adapter
can
be
removed
or
installed
in
the
slot.
Chapter
3.
Diagnostics
37