Attention:
1)
Do
not
use
excessive
force
when
pressing
the
microprocessor
into
the
socket.
2)
Make
sure
that
the
microprocessor
is
oriented
and
aligned
correctly
with
pin
number
1
in
the
socket
before
you
try
to
close
the
microprocessor-release
lever.
The
following
illustration
shows
the
alignment
marks
for
both
microprocessors
and
sockets.
Microprocessor 2
Microprocessor 1
Microprocessor
socket 2
Microprocessor
socket 1
Alignment marks
Alignment marks
c.
Center
the
microprocessor
over
the
microprocessor
socket.
Align
the
triangle
on
the
corner
of
the
microprocessor
with
the
triangle
on
the
corner
of
the
socket
and
carefully
press
the
microprocessor
into
the
socket.
d.
Carefully
close
the
microprocessor-release
lever
to
secure
the
microprocessor
in
the
socket.
Attention:
Do
not
set
the
heat
sink
down
after
you
remove
the
plastic
cover
and
do
not
touch
the
thermal
grease
on
the
bottom
of
the
heat
sink.
Touching
the
thermal
grease
will
contaminate
it.
If
the
thermal
grease
on
the
microprocessor
or
heat
sink
becomes
contaminated,
contact
your
service
technician.
11.
Install
the
heat
sink
on
the
microprocessor:
Heat sink
Thermal grease
a.
Remove
the
plastic
cover
from
the
bottom
of
the
heat
sink.
b.
Align
and
place
the
heat
sink
on
top
of
the
microprocessor,
grease
side
down,
in
the
retention
bracket.
Press
firmly
on
the
heat
sink.
Attention:
Alternate
the
tightening
of
the
two
captive
screws
to
prevent
damage
to
the
microprocessor.
Ensure
that
the
screws
are
completely
tightened
(until
they
stop);
otherwise,
damage
to
the
microprocessor
will
occur.
c.
Secure
the
heat
sink
to
the
microprocessor
by
tightening
the
captive
screws.
Alternate
between
the
two
captive
screws
in
the
heat
sink
while
tightening
them.
12.
Install
the
air
baffle.
13.
If
you
have
other
options
to
install
or
remove,
do
so
now.
14.
Replace
the
support
bracket
(see
15.
Replace
the
side
cover
(see
60
IBM
IntelliStation
Z
Pro
Type
6221:
Hardware
Maintenance
Manual
Summary of Contents for IntelliStation Z Pro 6221
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Page 165: ...Japanese Voluntary Control Council for Interference VCCI statement Appendix Notices 155...
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