Installation guidelines, Chapter, Installing – Lenovo 3797 User Manual
Page 49: Optional, Devices, Replacing, Customer, Replaceable, Units, Installation
Chapter
5.
Installing
optional
devices
and
replacing
customer
replaceable
units
This
chapter
provides
hardware
installation
and
replacement
procedures
for
customer
replaceable
units.
Installation
guidelines
Before
you
install
optional
devices,
read
the
following
information:
v
Read
the
safety
information
that
begins
on
page
and
the
guidelines
in
this
section.
This
information
will
help
you
work
safely.
v
When
you
install
your
new
server,
take
the
opportunity
to
download
and
apply
the
most
recent
firmware
updates.
This
step
will
help
to
ensure
that
any
known
issues
are
addressed
and
that
your
server
is
ready
to
function
at
maximum
levels
of
performance.
To
download
firmware
updates
for
your
server,
complete
the
following
steps:
1.
Go
to:
2.
Enter
your
product
number
(machine
type
and
model
number)
or
select
Servers
and
Storage
from
the
Select
your
product
list.
3.
Select
Servers
and
Storage
from
the
Brand
list.
4.
From
Family
list,
select
ThinkServer
RD220,
and
click
Continue.
5.
Click
Downloads
and
drivers
to
download
firmware
updates.
.
v
Before
you
install
optional
hardware,
make
sure
that
the
server
is
working
correctly.
Start
the
server,
and
make
sure
that
the
operating
system
starts,
if
an
operating
system
is
installed,
or
that
a
19990305
error
code
is
displayed,
indicating
that
an
operating
system
was
not
found
but
the
server
is
otherwise
working
correctly.
If
the
server
is
not
working
correctly,
refer
to
the
Hardware
Maintenance
Manual
for
diagnostic
information.
v
Observe
good
housekeeping
in
the
area
where
you
are
working.
Place
removed
covers
and
other
parts
in
a
safe
place.
v
If
you
must
start
the
server
while
the
cover
is
removed,
make
sure
that
no
one
is
near
the
server
and
that
no
tools
or
other
objects
have
been
left
inside
the
server.
v
Do
not
attempt
to
lift
an
object
that
you
think
is
too
heavy
for
you.
If
you
have
to
lift
a
heavy
object,
observe
the
following
precautions:
–
Make
sure
that
you
can
stand
safely
without
slipping.
–
Distribute
the
weight
of
the
object
equally
between
your
feet.
–
Use
a
slow
lifting
force.
Never
move
suddenly
or
twist
when
you
lift
a
heavy
object.
–
To
avoid
straining
the
muscles
in
your
back,
lift
by
standing
or
by
pushing
up
with
your
leg
muscles.
v
Make
sure
that
you
have
an
adequate
number
of
properly
grounded
electrical
outlets
for
the
server,
monitor,
and
other
devices.
v
Back
up
all
important
data
before
you
make
changes
to
disk
drives.
v
Have
a
small
flat-blade
screwdriver
available.
v
To
view
the
error
LEDs
on
the
system
board
and
internal
components,
leave
the
server
connected
to
power.
©
Lenovo
2009.
Portions
©
IBM
Corp.
2007.
33