Power-on LED
Power-control button
Reset button
Hard disk drive activity LED
Locator LED
System error LED
USB 1 connector
USB 2 connector
2.
Read
the
safety
information
that
begins
on
page
and
3.
Turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cord
and
all
external
cables.
4.
Remove
the
server
from
the
rack
and
place
on
a
flat,
static-protective
surface.
5.
Remove
the
cover
(see
6.
Reconnect
all
external
cables
and
the
power
cord;
then,
turn
on
the
server.
Attention:
For
proper
cooling
and
airflow,
replace
the
cover
before
turning
on
the
server.
Operating
the
server
for
extended
periods
of
time
(more
than
30
minutes)
with
the
cover
removed
might
damage
server
components.
Certain
components
inside
the
server
have
LEDs
that
will
be
lit
to
indicate
the
location
of
a
problem.
For
example,
a
DIMM
error
will
light
the
LED
next
to
the
failing
DIMM
on
the
system
board.
7.
Look
at
the
system
service
label
on
the
underside
of
the
server
cover,
which
gives
an
overview
of
internal
components.
This
information
can
often
provide
enough
information
to
correct
the
error.
The
following
illustration
shows
the
LEDs
on
the
system
board.
88
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...