11.
Loosen
the
two
screws
from
the
center
cover
and
remove
the
cover.
Center
Cover
Media
Cable
Tray
12.
Remove
the
media
cable
tray.
13.
Remove
the
screws
from
the
power
distribution
board.
Power
Distribution
Board
14.
Remove
the
power
distribution
board.
Replacement
Replace
in
reverse
order.
I/O
Drawer
Power
Supplies
and
Power
Supply
Fan
Assemblies
Notes:
1.
Each
drawer
can
have
up
to
two
power
supplies.
You
can
replace
each
power
supply
separately.
The
removal
and
replacement
procedures
are
the
same
for
each
power
supply.
2.
The
procedure
described
in
this
section
applies
to
the
I/O
drawer
power
supplies.
3.
Power
supplies
for
the
CEC
and
I/O
drawers
cannot
be
interchanged.
4.
If
a
drawer
has
two
power
supplies,
each
is
hot-pluggable.
If
only
one
needs
to
be
removed,
you
do
not
have
to
power
off
the
system.
5.
Each
power
supply
has
a
test
switch.
See
“Power
Supply
Test
Switch
Procedure”
on
page
452.
448
Service
Guide
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 430: ...412 Service Guide...
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...
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