3.
Press
on
the
left
edge
of
the
bezel,
and
rotate
the
left
side
of
the
bezel
away
from
the
server.
Rotate
the
left
edge
of
the
bezel
out
beyond
90°;
then,
pull
the
bezel
away
from
the
server.
Removing
the
left-side
cover
Important:
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,
see
the
Problem
Determination
and
Service
Guide
for
diagnostic
information.
Left-side cover
Cover release latch
Lock
To
remove
the
cover,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
v
and
“Installation
guidelines”
on
page
21.
2.
Turn
off
the
server
and
all
attached
devices.
3.
Disconnect
all
external
cables
and
power
cords.
4.
Using
the
supplied
key,
unlock
the
left-side
cover.
5.
Pull
the
cover-release
latch
down
and
rotate
the
top
edge
of
the
cover
away
from
the
server.
Attention:
For
proper
cooling
and
airflow,
replace
the
cover
before
you
turn
on
the
server.
Operating
the
server
for
extended
periods
of
time
(more
than
30
minutes)
with
the
cover
removed
might
damage
server
components.
6.
Remove
the
left-side
cover
from
the
server.
Installing
an
adapter
The
following
notes
describe
the
types
of
adapters
that
the
server
supports
and
other
information
that
you
must
consider
when
you
install
an
adapter:
v
Locate
the
documentation
that
comes
with
the
adapter
and
follow
those
instructions
in
addition
to
the
instructions
in
this
section.
If
you
must
change
the
switch
or
jumper
settings
on
the
adapter,
follow
the
instructions
that
come
with
the
adapter.
v
Avoid
touching
the
components
and
gold-edge
connectors
on
the
adapter.
v
PCI
slot
6
supports
half-length
5.0
V
PCI
adapters
only.
v
PCI
slot
1
supports
half-length
3.3
V
PCI
adapters
only.
24
IBM
System
x3500
Type
7977:
User’s
Guide
Summary of Contents for 7977E7U
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