Server
controls,
LEDs,
and
connectors
This
section
describes
the
controls,
light-emitting
diodes
(LEDs),
and
connectors
on
the
front
and
rear
of
the
server.
Front
view
The
following
illustration
shows
the
controls,
light-emitting
diodes
(LEDs),
and
connectors
on
the
front
of
the
server.
Power-on LED
Power-control button
Reset button
Hard disk drive activity LED
Locator LED
System-error LED
USB 1 connector
USB 2 connector
CD-eject button
CD drive activity LED
Power-on
LED:
When
this
LED
is
lit,
it
indicates
that
the
server
is
turned
on.
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.
Power-control
button:
Press
this
button
to
turn
the
server
on
and
off
manually.
A
power-control-button
shield
comes
installed
around
the
button
to
prevent
the
server
from
being
turned
off
accidentally.
You
can
remove
this
disk-shaped
shield
if
you
prefer.
Reset
button:
Press
this
button
to
reset
the
server
and
run
the
power-on
self-test
(POST).
You
might
have
to
use
a
pen
or
the
end
of
a
straightened
paper
clip
to
press
the
button.
Hard
disk
drive
activity
LED:
When
this
LED
is
flashing,
it
indicates
that
a
hard
disk
drive
is
in
use.
Locator
LED:
When
this
LED
is
lit,
it
has
been
lit
remotely
by
the
system
administrator
to
aid
in
visually
locating
the
server.
System-error
LED:
When
this
LED
is
lit,
it
indicates
that
a
system
error
has
occurred.
USB
connectors:
Connect
a
USB
device
to
either
of
these
connectors.
CD-eject
button:
Press
this
button
to
release
a
CD
from
the
CD
drive.
CD
drive
activity
LED:
When
this
LED
is
lit,
it
indicates
that
the
CD
drive
is
in
use.
4
IBM
xSeries
306m
Types
8849
and
8491:
Problem
Determination
and
Service
Guide
Summary of Contents for xSeries 206m
Page 1: ...IBM xSeries 306m Types 8849 and 8491 Problem Determination and Service Guide...
Page 2: ......
Page 3: ...IBM xSeries 306m Types 8849 and 8491 Problem Determination and Service Guide...
Page 8: ...vi IBM xSeries 306m Types 8849 and 8491 Problem Determination and Service Guide...
Page 143: ......
Page 144: ...Part Number 31R1183 Printed in USA 1P P N 31R1183...
