v
No:
Reject
the
MCM/passthru
module.
Install
another
MCM/passthru
(M21,
M16,
M11,
M14),
and
go
to
step
1
(See
page
7.
Inspect
the
interposer
for
shorts.
8.
Are
there
any
shorts
visible?
v
Yes:
Reject
the
MCM/passthru
module
and
install
another
one
(M21,
M16,
M11,
M14),
and
go
to
step
1
(See
page
v
No:
Reinstall
the
MCM/passthru,
and
go
to
step
1
(See
page
MCM
installation
shorts
test,
procedure
3
Are
there
any
L3
cache
modules
to
install?
v
Yes:
Remove
the
meter,
and
then
follow
the
Testing
L3
cache
modules
for
a
short
circuit
(See
page
procedure.
v
No:
Remove
the
meter
and
test
card,
and
return
to
the
procedure
that
sent
you
here.
This
ends
the
procedure.
Test
method
2:
Testing
L3
cache
modules
for
a
short
circuit
Perform
this
test
to
ensure
that
a
short
circuit
was
not
created
when
installing
an
L3
cache
module.
You
can
use
one
of
the
following
options
during
the
L3-cache
module
replacement.
v
Use
the
new
capacitor
book
(part
44P2471)
and
a
multimeter
v
Use
the
MCM/L3
module
short-circuit
test
tool
(part
44P0209)
Testing
L3
cache
modules
for
a
short
circuit,
procedure
1
Note:
This
procedure
should
only
be
performed
by
trained
personnel.
Ensure
the
UEPO
switch
is
in
the
Off
position
before
performing
this
procedure.
1.
Power
down
the
system.
See
2.
Ensure
the
UEPO
is
off.
3.
Disengage
all
DCAs
from
the
CEC
backplane.
4.
Choose
from
the
following
options:
v
If
you
are
using
the
new
capacitor
book
option:
Install
the
Capacitor
book
in
DCA
location
6
(M38),
with
no
meter
attached.
v
If
you
are
using
the
short-circuit
test
tool
option:
Install
the
test
card
in
DCA
location
6
(M38),
with
no
meter
attached.
5.
Wait
one
minute
to
allow
any
charge
to
dissipate.
6.
Select
the
meter
to
be
used
for
this
test
(only
meters
recorded
in
the
can
be
used).
Use
the
most
accurate
meter
available.
7.
Record
the
meter
that
will
be
used.
8.
Record
the
fail
criteria
for
the
meter
being
used.
9.
Calibrate
the
meter
by
performing
the
following:
Note:
Do
not
install
the
meter
in
the
card
at
this
time.
a.
Set
the
meter
to
the
range
defined
in
the
table.
b.
Power
the
meter
off
and
on.
c.
Short
the
meter
leads
together.
d.
Record
the
meter
reading.
Call
this
resistance
″
Meter
Lead
Resistance
″
(MLR).
10.
Are
there
L3
cache
modules
installed
in
the
system?
v
Yes:
Continue
with
L3
cache
testing,
procedure
2
(See
page
128
Hardware
(Remove
and
Replace;
Part
Locations
and
Listings)
Summary of Contents for 270
Page 2: ......
Page 12: ...x Hardware Remove and Replace Part Locations and Listings...
Page 279: ...Figure 3 CCIN 2881 with pluggable DIMM Analyze hardware problems 267...
Page 281: ...Figure 6 Models 830 SB2 with FC 9074 HSL and SPCN locations Analyze hardware problems 269...
Page 283: ...Figure 1b Model 840 SB3 processor tower dual line cord Analyze hardware problems 271...
Page 294: ...01 gif port and LED locations 282 Hardware Remove and Replace Part Locations and Listings...
Page 295: ...s src rzaq4519 gif locations Analyze hardware problems 283...
Page 483: ...Table 1 Cover assembly FC 5095 Expansion I O Tower Analyze hardware problems 471...
Page 614: ...602 Hardware Remove and Replace Part Locations and Listings...
Page 618: ...606 Hardware Remove and Replace Part Locations and Listings...
Page 621: ......
Page 622: ...Printed in USA SY44 5917 02...