6.
If
your
drawer
has
only
one
power
supply,
the
unused
power
supply
position
must
be
filled
with
a
cooling
unit,
which
must
have
a
power
supply
fan
assembly
attached
to
it.
7.
Do
not
hot-plug
a
power
supply
if
the
ambient
room
temperature
is
greater
than
32°C
(90°F),
as
it
can
cause
loss
of
data
or
data
corruption.
8.
Be
sure
that
the
replacement
power
supply
is
ready
to
install.
If
the
power
supply
is
removed
for
longer
than
four
minutes,
a
shutdown
command
is
issued
to
the
operating
system.
9.
Power
supply
1
fan
assembly
(fans
1
and
2)
is
located
on
the
rear
of
the
primary
power
supply.
Power
supply
2
fan
assembly
(fans
3
and
4)
is
located
on
the
rear
of
the
secondary
power
supply.
If
only
one
fan
in
a
fan
assembly
is
bad,
the
fan
assembly
must
be
replaced.
Power
supply
fan
5
is
located
in
the
primary
power
supply
and
if
that
fan
fails,
the
power
supply
must
be
replaced.
Power
supply
fan
6
is
located
in
the
secondary
power
supply
and
if
that
fan
fails,
the
power
supply
must
be
replaced.
Fan
9
is
located
in
the
cooling
unit.
Attention:
Several
emergency
power-off
warnings
(error
codes)
can
be
logged
to
the
system
error
logs
during
the
removal
and
replacement
of
a
power
supply
with
the
power
turned
on.
These
errors
can
be
logged
as
long
as
five
minutes
after
a
hot-plug
operation
is
performed.
After
hot-plugging
a
power
supply,
wait
at
least
5
minutes
and
then
examine
the
system
error
log.
Ensure
that
no
power
supply
errors
or
power
supply
fan
errors
are
being
logged
after
the
five
minute
time
delay.
Chapter
10.
Removal
and
Replacement
Procedures
449
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Summary of Contents for RS/6000 Enterprise Server M80
Page 1: ...RS 6000 Enterprise Server Model M80 Eserver pSeries 660 Model 6M1 Service Guide SA38 0571 01...
Page 10: ...x Service Guide...
Page 14: ...xiv Service Guide...
Page 16: ...xvi Service Guide...
Page 22: ...Data Flow 4 Service Guide...
Page 30: ...CEC Card Cage Rear of CEC drawer viewed from top cover removed 12 Service Guide...
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Page 485: ...Chapter 11 Parts Information This chapter contains parts information for the system 467...
Page 486: ...CEC Drawer Card Assembly 9 468 Service Guide...
Page 488: ...CEC Drawer Backplane 5 2a 1 2 3 4 470 Service Guide...
Page 490: ...CEC Drawer Power Supplies 1 2 3 4 5 6 7 8 9 472 Service Guide...
Page 492: ...CEC Drawer Fan Assemblies 2 1 3 4 5 6 8 9 10 11 12 13 7 14 474 Service Guide...
Page 496: ...7 8 9 10 6 1 2 3 4 4 5 478 Service Guide...
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