I/O
Drawer
Power
Distribution
Board
Removal
1.
Turn
off
power
as
described
in
“Powering
Off
the
System”
on
page
415.
2.
Place
the
I/O
drawer
in
the
rear
service
position,
as
described
in
“Rear
Service
Position”
on
page
463.
3.
Remove
the
two
thumbscrews
and
remove
the
rear
cover.
Rear
Cover
4.
Remove
any
adapters
or
files
installed
in
slots
12,
13,
or
14.
5.
Disconnect
the
four
I/P
cables
from
the
I/O
tray.
6.
Remove
two
screws
from
each
side
of
the
I/O
drawer
board
assembly.
7.
Disconnect
the
miscellaneous
power
cable
from
PCI
board
connector
J21.
8.
Slide
the
I/O
drawer
board
assembly
to
the
rear
to
disconnect
the
assembly
from
the
power
distribution
board
bus
bar.
9.
Place
the
I/O
drawer
in
the
front
service
position
as
described
in
“Front
Service
Position”
on
page
464.
10.
Remove
the
power
supplies
as
described
in
“I/O
Drawer
Power
Supplies
and
Power
Supply
Fan
Assemblies”
on
page
448.
Chapter
10.
Removal
and
Replacement
Procedures
447
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...
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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...
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