Types
7814,
7815,
9682,
9683,
9684,
and
9685
Important
The
heat
sink
and
microprocessor
might
be
very
hot.
Make
sure
these
components
are
cool
enough
to
safely
handle
before
continuing
this
procedure.
Note:
When
replacing
the
system
board
you
must
also
order
a
new
retention
module
for
the
new
system
board.
Make
sure
you
have
a
retention
module
for
the
new
system
board
before
continuing
with
this
procedure.
1.
Remove
the
cover.
See
“Removing
the
cover”
on
page
85.
2.
Lift
the
fan
duct
off
the
heat
sink
fan.
3.
Remove
any
adapter
cards
installed
in
the
PCI
connectors.
4.
You
might
have
to
remove
the
drive
bay
assembly
to
access
the
system
board.
See
“Accessing
system
board
components
and
drives”
on
page
90.
5.
Take
note
of
the
location
of
all
cable
connections
on
the
system
board
and
disconnect
all
cables.
See
the
system
board
illustration
for
your
machine
type
at
“Locating
parts
on
the
system
board”
on
page
87.
6.
Remove
the
hard
disk
drive.
See
“Replacing
the
hard
disk
drive”
on
page
112.
7.
Remove
the
screws
that
secure
the
system
board
to
the
chassis.
8.
Lift
the
system
board
out
of
the
chassis.
9.
Remove
the
memory
modules
from
the
failing
system
board
and
install
them
in
the
same
location
on
the
new
system
board.
10.
Disconnect
the
heat
sink
and
fan
assembly
cable
from
the
system
board.
See
the
system
board
illustration
for
your
machine
type
at
“Locating
parts
on
the
system
board”
on
page
87.
11.
Remove
the
four
screws
1
securing
the
heat
sink
and
fan
assembly
to
the
system
board.
12.
Lift
the
heat
sink
and
fan
assembly
off
the
failing
system
board.
Place
the
heat
sink
on
its
side
so
that
the
thermal
grease
does
not
come
in
contact
with
anything.
100
Hardware
Maintenance
Manual
Содержание 7812
Страница 2: ......
Страница 3: ...Hardware Maintenance Manual ...
Страница 17: ...Chapter 2 Safety information 11 ...
Страница 18: ...12 Hardware Maintenance Manual ...
Страница 19: ... 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs 1 2 Chapter 2 Safety information 13 ...
Страница 23: ...Chapter 2 Safety information 17 ...
Страница 24: ...1 2 18 Hardware Maintenance Manual ...
Страница 25: ...Chapter 2 Safety information 19 ...
Страница 26: ...1 2 20 Hardware Maintenance Manual ...
Страница 33: ...Chapter 2 Safety information 27 ...
Страница 34: ...28 Hardware Maintenance Manual ...
Страница 35: ...1 2 Chapter 2 Safety information 29 ...
Страница 39: ...Chapter 2 Safety information 33 ...
Страница 40: ...1 2 34 Hardware Maintenance Manual ...
Страница 44: ...38 Hardware Maintenance Manual ...
Страница 48: ...42 Hardware Maintenance Manual ...
Страница 56: ...50 Hardware Maintenance Manual ...
Страница 113: ...16 Go to Completing the FRU replacement on page 120 Chapter 8 Replacing FRUs Desktop computers 107 ...
Страница 168: ...162 Hardware Maintenance Manual ...
Страница 216: ...210 Hardware Maintenance Manual ...
Страница 220: ...214 Hardware Maintenance Manual ...
Страница 223: ......
Страница 224: ...Part Number 43C3182 Printed in USA 1P P N 43C3182 ...