IBM 8479 Hardware Maintenance Manual - Page 48

Before, begin, Working, inside, server, power, System, reliability, considerations

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Page 48 highlights

For typical operation of the system, a jumper is installed on pins 1 and 2 of the complementary metal oxide semiconductor (CMOS) jumper. See "Clearing CMOS" on page 15 for information about the CMOS jumper. Before you begin Before you begin to install options in the server, read the following information: v Become familiar with the safety and handling guidelines provided in: - "Safety information" on page 103; - "Handling electrostatic discharge-sensitive devices" on page 106; and - "Safety notices (multi-lingual translations)" on page 107. These guidelines will help you work safely while working with the server or options. v The blue color on components and labels identifies touch points where a component can be gripped, a latch moved, and so on. v When you need to access the inside of the server to install options, you might find it easier to lay the server on its side. If you do so, make sure the stabilizing feet are in the horizontal position. Otherwise, the feet might break off because of the weight of the server. v Before you place the server in an upright position, rotate the two front feet a quarter turn away from the server. For complete details, see "Stabilizing feet" on page 41. v Make sure that you have an adequate number of properly grounded electrical outlets for the server, monitor, and any other options that you intend to install. v Back up all important data before you make changes to hard disk drives. v Have a small, flat-blade screwdriver available. v For a list of supported options for the xSeries 200, refer to http:// www.ibm.com/pc/compat on the World Wide Web. Working inside the server with the power on The server is designed with safety in mind. Follow these guidelines when you work inside a server that is turned on: v Avoid loose-fitting clothing on your forearms. Button long-sleeved shirts before working inside the server; do not wear cuff links while you are working inside the server. v Do not allow your necktie to hang inside the server. v Remove jewelry, such as bracelets, necklaces, rings, and loose-fitting wrist watches. v Remove items from your shirt pocket (such as pens or pencils) that could fall into the server as you lean over it. v Avoid dropping any metallic objects, such as paper clips, hair pins, or screws, into the server. System reliability considerations To help ensure proper cooling and system reliability, make sure that: v Each of the drive bays either has a drive, or a filler panel and electromagnetic compatibility (EMC) shield installed. v There is space around the server to allow the server cooling system to work properly. Leave about 127 mm (5 in.) of space around the front and rear of the server. 40 xSeries 200 Type 8479 and xSeries 200VL Type 8481: Hardware Maintenance Manual

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For
typical
operation
of
the
system,
a
jumper
is
installed
on
pins
1
and
2
of
the
complementary
metal
oxide
semiconductor
(CMOS)
jumper.
See
“Clearing
CMOS”
on
page
15
for
information
about
the
CMOS
jumper.
Before
you
begin
Before
you
begin
to
install
options
in
the
server,
read
the
following
information:
v
Become
familiar
with
the
safety
and
handling
guidelines
provided
in:
–
“Safety
information”
on
page
103;
–
“Handling
electrostatic
discharge-sensitive
devices”
on
page
106;
and
–
“Safety
notices
(multi-lingual
translations)”
on
page
107.
These
guidelines
will
help
you
work
safely
while
working
with
the
server
or
options.
v
The
blue
color
on
components
and
labels
identifies
touch
points
where
a
component
can
be
gripped,
a
latch
moved,
and
so
on.
v
When
you
need
to
access
the
inside
of
the
server
to
install
options,
you
might
find
it
easier
to
lay
the
server
on
its
side.
If
you
do
so,
make
sure
the
stabilizing
feet
are
in
the
horizontal
position.
Otherwise,
the
feet
might
break
off
because
of
the
weight
of
the
server.
v
Before
you
place
the
server
in
an
upright
position,
rotate
the
two
front
feet
a
quarter
turn
away
from
the
server.
For
complete
details,
see
“Stabilizing
feet”
on
page
41.
v
Make
sure
that
you
have
an
adequate
number
of
properly
grounded
electrical
outlets
for
the
server,
monitor,
and
any
other
options
that
you
intend
to
install.
v
Back
up
all
important
data
before
you
make
changes
to
hard
disk
drives.
v
Have
a
small,
flat-blade
screwdriver
available.
v
For
a
list
of
supported
options
for
the
xSeries
200,
refer
to
http://
www.ibm.com/pc/compat
on
the
World
Wide
Web.
Working
inside
the
server
with
the
power
on
The
server
is
designed
with
safety
in
mind.
Follow
these
guidelines
when
you
work
inside
a
server
that
is
turned
on:
v
Avoid
loose-fitting
clothing
on
your
forearms.
Button
long-sleeved
shirts
before
working
inside
the
server;
do
not
wear
cuff
links
while
you
are
working
inside
the
server.
v
Do
not
allow
your
necktie
to
hang
inside
the
server.
v
Remove
jewelry,
such
as
bracelets,
necklaces,
rings,
and
loose-fitting
wrist
watches.
v
Remove
items
from
your
shirt
pocket
(such
as
pens
or
pencils)
that
could
fall
into
the
server
as
you
lean
over
it.
v
Avoid
dropping
any
metallic
objects,
such
as
paper
clips,
hair
pins,
or
screws,
into
the
server.
System
reliability
considerations
To
help
ensure
proper
cooling
and
system
reliability,
make
sure
that:
v
Each
of
the
drive
bays
either
has
a
drive,
or
a
filler
panel
and
electromagnetic
compatibility
(EMC)
shield
installed.
v
There
is
space
around
the
server
to
allow
the
server
cooling
system
to
work
properly.
Leave
about
127
mm
(5
in.)
of
space
around
the
front
and
rear
of
the
server.
40
xSeries
200
Type
8479
and
xSeries
200VL
Type
8481:
Hardware
Maintenance
Manual