System-error
LED:
When
this
amber
LED
is
lit,
it
indicates
that
a
system
error
has
occurred.
Use
the
diagnostic
LED
panel
and
the
system
service
label
on
the
inside
of
the
left-side
cover
to
further
isolate
the
error.
See
the
Problem
Determination
and
Service
Guide
on
the
IBM
System
x
Documentation
CD
for
additional
information.
USB
1
connector:
Connect
USB
devices
to
these
connectors.
USB
2
connector:
Connect
USB
devices
to
these
connectors.
DVD-eject
button:
Press
this
button
to
release
a
CD
or
DVD
from
the
DVD
drive.
Hard
disk
drive
status
LED:
When
this
LED
is
lit,
it
indicates
that
the
associated
hard
disk
drive
has
failed.
If
an
optional
RAID
adapter
is
installed
in
the
server
and
the
LED
flashes
slowly
(one
flash
per
second),
the
drive
is
being
rebuilt.
If
the
LED
flashes
rapidly
(three
flashes
per
second),
the
controller
is
identifying
the
drive.
Hard
disk
drive
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.
DVD
drive
activity
LED:
When
this
LED
is
lit,
it
indicates
that
the
DVD
drive
is
in
use.
Chapter
1.
The
System
x3500
server
9
Summary of Contents for 7977E7U
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