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IBM 8434 Manual Do Utilizador

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4.
   
Lift
 
the
 
power
 
supply
 
out.
    
To
 
replace
 
the
 
power
 
supply,
 
do
 
the
 
following:
 
1.
   
Install
 
the
 
new
 
power
 
supply
 
and
 
insert
 
the
 
four
 
screws
 
that
 
hold
 
the
 
power
 
supply
 
in
 
place.
 
2.
   
Reconnect
 
all
 
power
 
supply
 
cables
 
to
 
the
 
system
 
board
 
and
 
the
 
drives.
 
See
 
 
 
 
 
 
 
 
 
 
 
 
 
3.
   
Go
 
to
 
 
 
 
 
 
 
 
 
 
Type
 
8191
 
Before
 
performing
 
any
 
removals
 
or
 
replacements,
 
turn
 
off
 
the
 
computer
 
and
 
peripheral
 
devices
 
and
 
disconnect
 
all
 
external
 
cables
 
and
 
power
 
cords.
 
To
 
remove
 
the
 
power
 
supply,
 
do
 
the
 
following:
 
1.
   
Turn
 
off
 
the
 
computer
 
and
 
peripheral
 
devices
 
and
 
disconnect
 
all
 
external
 
cables
 
and
 
power
 
cords;
 
then,
 
remove
 
the
 
cover.
 
See
 
 
 
 
 
 
 
2.
   
Disconnect
 
all
 
power
 
supply
 
cables
 
from
 
the
 
system
 
board
 
and
 
the
 
drives.
 
See
 
 
 
 
 
 
 
 
 
 
 
 
 
3.
   
Remove
 
the
 
four
 
screws
 
that
 
hold
 
the
 
power
 
supply
 
in
 
place.
   
58
 
Hardware
 
Maintenance
 
Manual