v
Release
latch:
Slide
this
latch
to
the
left
to
access
the
light
path
diagnostics
panel.
v
System-error
LED:
When
this
LED
is
lit,
it
indicates
that
a
system
error
has
occurred.
An
LED
on
the
light
path
diagnostics
panel
is
also
lit
to
help
isolate
the
error.
v
Information
LED:
When
this
LED
is
lit,
it
indicates
that
a
noncritical
event
has
occurred.
An
LED
on
the
light
path
diagnostics
panel
is
also
lit
to
help
isolate
the
error.
v
Location
LED:
Use
this
LED
to
visually
locate
the
server
among
other
servers.
You
can
use
IBM
Director
to
light
this
LED
remotely.
v
Power-control
button:
Press
this
button
to
turn
the
server
on
and
off
manually.
A
power-control-button
shield
comes
installed
on
the
server
to
prevent
the
server
from
being
turned
off
accidentally.
v
Power-on
LED:
When
this
LED
is
lit
and
not
flashing,
it
indicates
that
the
server
is
turned
on.
When
this
LED
is
flashing,
it
indicates
that
the
server
is
turned
off
and
is
still
connected
to
an
ac
power
source.
When
this
LED
is
off,
it
indicates
that
ac
power
is
not
present,
or
the
power
supply
or
the
LED
itself
has
failed.
Note:
If
this
LED
is
off,
it
does
not
mean
that
there
is
no
electrical
power
in
the
server.
The
LED
might
be
burned
out.
To
remove
all
electrical
power
from
the
server,
you
must
disconnect
the
power
cord
from
the
electrical
outlet.
USB
connectors:
Connect
a
USB
device,
such
as
a
USB
mouse,
keyboard,
or
other
USB
device,
to
either
of
these
connectors.
Video
connector:
Connect
a
monitor
to
this
connector.
Hard
disk
drive
activity
LED:
On
some
server
models,
each
hot-swap
hard
disk
drive
has
an
activity
LED.
When
this
LED
is
flashing,
it
indicates
that
the
drive
is
in
use.
Hard
disk
drive
status
LED:
On
some
server
models,
each
hot-swap
hard
disk
drive
has
a
status
LED.
When
this
LED
is
lit,
it
indicates
that
the
drive
has
failed.
If
an
optional
IBM
ServeRAID
™
controller
is
installed
in
the
server,
when
this
LED
is
flashing
slowly
(one
flash
per
second),
it
indicates
that
the
drive
is
being
rebuilt.
When
the
LED
is
flashing
rapidly
(three
flashes
per
second),
it
indicates
that
the
controller
is
identifying
the
drive.
CD/DVD-eject
button:
Press
this
button
to
release
a
CD
from
the
DVD-ROM
drive.
CD/DVD
drive
activity
LED:
When
this
LED
is
lit,
it
indicates
that
the
DVD
drive
is
in
use.
Rack
release
latches:
Press
these
latches
to
release
the
server
from
the
rack.
8
IBM
System
x3655
Type
7985
and
7943:
Problem
Determination
and
Service
Guide
Summary of Contents for 7985
Page 1: ...IBM System x3655 Type 7985 and 7943 Problem Determination and Service Guide...
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Page 112: ...View 1...
Page 159: ...Battery Chapter 5 Removing and replacing server components 141...
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Page 218: ...Part Number 42D2167 Printed in USA 1P P N 42D2167...