Removing a hot-swap power supply, Removing, Hot-swap – Lenovo 3797 User Manual
Page 85: Power, Supply

4.
If
PCI
riser-card
assembly
1
contains
one
or
more
adapters,
remove
riser-card
assembly
1
(see
5.
Remove
the
DIMM
air
baffle
(see
Attention:
To
avoid
breaking
the
retaining
clips
or
damaging
the
DIMM
connectors,
open
and
close
the
clips
gently.
6.
Open
the
retaining
clip
2
on
each
end
of
the
DIMM
connector.
7.
Touch
the
static-protective
package
that
contains
the
DIMM
to
any
unpainted
metal
surface
on
the
server.
Then,
remove
the
DIMM
from
the
package.
8.
Turn
the
DIMM
so
that
the
DIMM
keys
align
correctly
with
the
connector.
9.
Insert
the
DIMM
into
the
connector
1
by
aligning
the
edges
of
the
DIMM
with
the
slots
at
the
ends
of
the
DIMM
connector.
Firmly
press
the
DIMM
straight
down
into
the
connector
by
applying
pressure
on
both
ends
of
the
DIMM
simultaneously.
The
retaining
clips
snap
into
the
locked
position
when
the
DIMM
is
firmly
seated
in
the
connector.
Important:
If
there
is
a
gap
between
the
DIMM
and
the
retaining
clips,
the
DIMM
has
not
been
correctly
inserted;
open
the
retaining
clips,
remove
the
DIMM,
and
then
reinsert
it.
10.
Install
the
DIMM
air
baffle
(see
11.
Install
PCI
riser-card
assembly
2,
if
you
removed
it
(see
If
you
have
other
devices
to
install
or
remove,
do
so
now.
Otherwise,
go
to
If
you
have
other
optional
devices
to
install
or
remove,
do
so
now.
Otherwise,
go
to
Removing
a
hot-swap
power
supply
Important:
If
the
server
has
two
power
supplies,
and
if
you
remove
either
of
them,
the
server
will
not
have
redundant
power;
if
the
server
power
load
then
exceeds
675
W,
the
server
might
not
start
or
might
not
function
correctly.
To
remove
a
power
supply,
complete
the
following
steps.
Chapter
5.
Installing
optional
devices
and
replacing
customer
replaceable
units
69