Chapter
3.
Server
power,
controls,
and
indicators
This
chapter
describes
the
controls
and
light-emitting
diodes
(LEDs)
and
how
to
turn
the
server
on
and
off.
Front
view
The
following
illustration
shows
the
controls,
LEDs,
and
connectors
on
the
front
of
the
server.
Hard disk drive
activity LED (green)
Hard disk drive
status LED (amber)
DVD-ROM drive
activity LED (green)
Diskette drive
activity LED (green)
DVD-ROM eject button
Diskette-eject button
Rack release
latch
Rack release
latch
Operator information
panel
Rack
release
latches:
Press
these
latches
to
release
the
server
from
the
rack.
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.
Operator
information
panel:
This
panel
contains
controls,
LEDs,
and
connectors.
The
following
illustration
shows
the
controls,
LEDs,
and
connectors
on
the
operator
information
panel.
USB connector
System-error LED
Information LED
System-locator LED
SCSI activity LED
Power-control button
Power-on LED
Release latch
The
following
controls,
LEDs,
and
connectors
are
on
the
operator
information
panel:
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.
©
Copyright
IBM
Corp.
2006
25
Summary of Contents for 8840 - eServer xSeries 346
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