3.
Install
an
MCM
or
pass
through
module.
4.
Press
the
toggle
switch
on
the
LGA-ST
forward
to
the
MCM/L3
PWR/GND
position.
This
action
will
test
the
MCM
or
pass
through
modules
for
power-to-ground
shorts.
Observe
the
lit
LEDs
on
the
LGA-ST
and
take
the
corresponding
following
actions:
Green
MCM
LED
is
lit
This
is
a
pass
state.
No
further
action
is
required.
Amber
MCM
LED
is
lit
This
is
a
fail
state.
There
might
be
a
short
across
the
MCM
or
pass
through
voltage
and
ground.
Complete
the
following
steps
to
correct
this
condition:
a.
Remove
the
MCM
or
pass
through
module
and
inspect
the
interposer
for
shorts.
b.
Replace
the
MCM
or
pass
through
module
and
repeat
step
If
the
fail
state
persists,
replace
the
MCM
or
pass
through.
Green
L3
LED
is
lit
This
is
a
pass
state.
No
further
action
is
required.
Amber
L3
LED
is
lit
This
is
a
fail
state.
There
might
be
a
short
between
one
of
the
two
L3
voltages
and
ground,
which
is
a
failing
condition,
or
the
combination
of
memory
books,
I/O
books,
and
L3
cache
modules
in
parallel
might
be
creating
a
low
resistance.
To
ensure
that
no
shorts
are
present
on
the
L3
modules
before
power
the
system
on,
perform
5.
Install
another
MCM
or
pass
through
module
and
repeat
step
until
all
required
MCMs
are
installed.
Chapter
9.
Removal
and
Replacement
Procedures
897
Summary of Contents for eserver pSeries 690
Page 1: ...pSeries 690 Service Guide SA38 0589 05 ERserver...
Page 2: ......
Page 3: ...pSeries 690 Service Guide SA38 0589 05 ERserver...
Page 12: ...x Eserver pSeries 690 Service Guide...
Page 14: ...xii Eserver pSeries 690 Service Guide...
Page 228: ...Step 1527 5 Call your next level of support 212 Eserver pSeries 690 Service Guide...
Page 362: ...Step 1545 15 Call for support This ends the procedure 346 Eserver pSeries 690 Service Guide...
Page 381: ...Step 154A 14 Turn off the power Chapter 3 Maintenance Analysis Procedures 365...
Page 430: ...414 Eserver pSeries 690 Service Guide...
Page 798: ...782 Eserver pSeries 690 Service Guide...
Page 923: ...L3 Cache Shorts Test Step 4 Chapter 9 Removal and Replacement Procedures 907...
Page 924: ...L3 Cache Shorts Test Step 5 908 Eserver pSeries 690 Service Guide...
Page 926: ...L3 Cache Shorts Test Step 2 910 Eserver pSeries 690 Service Guide...
Page 928: ...L3 Cache Shorts Test Step 4 912 Eserver pSeries 690 Service Guide...
Page 929: ...L3 Cache Shorts Test Step 5 Chapter 9 Removal and Replacement Procedures 913...
Page 1055: ...7040 Model 681 Media Subsystem 1 2 3 4 5 6 7 8 9 10 Chapter 10 Parts Information 1039...
Page 1057: ...Power and SCSI Cables to the Media Subsystem 1 2 3 5 4 6 Chapter 10 Parts Information 1041...
Page 1061: ...Power Cabling Chapter 10 Parts Information 1045...
Page 1090: ...1074 Eserver pSeries 690 Service Guide...
Page 1094: ...1078 Eserver pSeries 690 Service Guide...
Page 1122: ...1106 Eserver pSeries 690 Service Guide...
Page 1124: ...1108 Eserver pSeries 690 Service Guide...
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Page 1134: ...Printed in U S A February 2004 SA38 0589 05...