Use
this
procedure
to
remove
or
replace
the
power
distribution
board
-
PB1
in
an
FC
5078,
FC
0578,
FC
5088,
or
FC
0588.
To
remove
or
replace
the
power
distribution
board
-
PB1:
1.
Remove
the
top,
front,
and
rear
covers.
See
2.
Power
down
the
expansion
unit.
Pull
the
power
plugs
that
run
from
the
unit
to
the
ac
box
of
the
unit
below.
See
3.
Remove
the
center
top
plate.
4.
Remove
the
two
power
supplies.
See
5.
From
the
top
of
the
unit,
remove
and
label
the
cables
that
connect
to
the
power
distribution
board.
6.
Remove
the
screws
that
secure
the
power
distribution
board
to
the
expansion
unit.
7.
Pull
the
power
distribution
board
out
through
the
top
of
the
expansion
unit.
8.
Install
the
power
distribution
backplane
by
reversing
this
procedure.
9.
After
exchanging
an
item,
go
to
This
ends
the
procedure.
FC
5078,
FC
0578
-
Power
supplies
-
P01
and
P02
For
use
by
authorized
service
providers.
Use
this
procedure
to
remove
or
replace
the
power
supplies
-
P01
and
P02
in
an
FC
5078,
FC
0578,
FC
5088,
and
FC
0588.
Attention:
Do
not
power
off
the
system.
Note:
Remove
and
replace
only
one
power
supply
at
a
time.
To
remove
or
replace
the
power
supplies
-
P01
and
P02:
1.
Do
not
power
off
the
system
if
it
is
powered
on.
2.
Open
the
front
cover.
See
3.
Remove
the
ac
line
cord
from
the
power
supply
being
replaced.
4.
Pull
down
on
the
docking
handle
located
in
the
front
of
the
power
supply,
to
release
the
power
supply
from
the
expansion
unit.
5.
Remove
the
power
supply.
6.
Remove
the
AMD
from
the
power
supply
by
pulling
out
on
the
latch
knob
and
sliding
the
AMD
to
the
left
towards
the
latch.
7.
Install
the
new
power
supply
by
reversing
this
procedure.
Note:
Do
not
slam
the
new
power
supply
when
installing
it
into
the
system.
Insert
the
power
supply
until
it
engages
the
frame,
then
lift
the
docking
handle
to
lock
the
power
supply
into
place.
8.
After
exchanging
an
item,
go
to
This
ends
the
procedure.
FC
5078,
FC
0578,
FC
5088,
FC
0588
-
Tower
card
-
CB1
For
use
by
authorized
service
providers.
Use
this
procedure
in
conjunction
with
the
Expansion
unit
power
procedure
to
remove
or
replace
the
tower
card
-
CB1
in
an
FC
5078,
FC
0578,
FC
5088,
and
FC
0588.
To
remove
or
replace
the
tower
card
-
CB1:
1.
Power
off
the
expansion
tower.
See
the
2.
Open
the
rear
cover.
See
Analyze
hardware
problems
169
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...