Removing and installing a hot-swap power supply, Removing, Installing – Lenovo RD210 User Manual
Page 92: Hot-swap, Power, Supply

5.
Use
the
thermal-grease
syringe
to
place
9
uniformly
spaced
dots
of
0.02
mL
each
on
the
top
of
the
microprocessor.
The
outermost
dots
must
be
within
approximately
5
mm
of
the
edge
of
the
microprocessor,
this
is
to
ensure
uniform
distribution
of
the
grease.
Note:
If
the
grease
is
properly
applied,
approximately
half
of
the
grease
will
remain
in
the
syringe.
6.
Install
the
heat
sink
onto
the
microprocessor.
If
you
have
other
options
to
install
or
remove,
do
so
now.
Otherwise,
go
to
Removing
and
installing
a
hot-swap
power
supply
This
procedure
is
used
when
either
installing
an
optional
hot-swap
power
supply
or
replacing
a
defective
power
supply.
The
removal
procedure
is
used
only
when
replacing
a
power
supply.
This
procedure
applies
only
to
server
models
that
have
hot-swap
power
supplies.
When
you
remove
or
install
a
hot-swap
power
supply,
observe
the
following
precautions.
v
The
server
comes
with
one
675-watt
hot-swap
12-volt
output
power
supply.
The
input
voltage
is
110
V
ac
or
220
V
ac
auto-sensing.
v
You
can
install
an
optional
675-watt
hot-swap
12-volt
output
power
supply
for
redundancy.
v
These
power
supplies
are
designed
for
parallel
operation.
In
the
event
of
a
power-supply
failure,
the
redundant
power
supply
continues
to
power
the
system.
The
server
supports
a
maximum
of
two
power
supplies.
Statement
5:
76
ThinkServer
RD210
Types
3795,
3796,
3818,
and
3819:
Installation
and
User
Guide