4.
Carefully
place
the
microprocessor
into
the
microprocessor
socket.
Note:
To
maintain
the
correct
orientation
between
the
microprocessor
and
the
microprocessor
socket
during
installation,
observe
the
following
information:
v
The
microprocessor
has
two
notches
that
are
keyed
to
two
tabs
on
the
sides
of
the
socket.
v
Make
sure
that
the
microprocessor
is
oriented
with
the
notches
and
alignment
marks
in
the
socket
before
you
try
to
close
the
lever.
Microprocessor
Microprocessor socket
Microprocessor
release lever
Alignment marks
v
Do
not
use
excessive
force
when
pressing
the
microprocessor
into
the
socket.
5.
Close
the
microprocessor
bracket
frame;
then,
close
the
microprocessor
release
lever
to
lock
the
microprocessor
securely
in
place.
6.
Install
the
heat
sink:
a.
Make
sure
that
the
heat-sink
locking
lever
is
in
the
fully
open
position.
Important:
Be
careful
when
you
handle
the
microprocessor
and
heat
sink.
Do
not
contaminate
the
thermal
material
between
them.
b.
Slide
the
bottom
edge
of
the
heat
sink
under
the
lower
flange
of
the
retention
module;
then,
place
the
top
of
the
heat
sink
onto
the
top
of
the
retention
module.
Heat-sink locking
lever
Heat-sink
Microprocessor
c.
Close
the
heat-sink
locking
lever
and
lock
it
securely
in
place.
Note:
If
you
are
installing
an
additional
microprocessor
in
microprocessor
socket
2,
you
must
also
install
a
VRM.
7.
If
installing
a
second
microprocessor,
install
a
VRM
in
the
VRM
connector
on
the
system
board.
a.
Open
the
retaining
clips
on
each
end
of
the
VRM
connector.
b.
Turn
the
VRM
so
that
the
keys
align
with
the
slot.
c.
Insert
the
VRM
into
the
connector
by
aligning
the
edges
of
the
VRM
with
the
slots
at
the
end
of
the
VRM
connector.
Firmly
press
the
VRM
straight
158
System
x3400
Types
7973,
7974,
7975,
and
7976:
Problem
Determination
and
Service
Guide
Summary of Contents for System x3400 Type 7973
Page 1: ...System x3400 Types 7973 7974 7975 and 7976 Problem Determination and Service Guide...
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Page 3: ...System x3400 Types 7973 7974 7975 and 7976 Problem Determination and Service Guide...
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Page 210: ...Part Number 31R2197 Printed in USA 1P P N 31R2197...
