thinkpad r40, lenovo
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IBM
Mobile
Systems
ThinkPad
Computer
Hardware
Maintenance
Manual
March 2004
This manual supports:
ThinkPad R40
Note
Before
using
this
information
and
the
product
it
supports,
be
sure
to
read
the
general
information
under
“Notices”
on
page
178.
First
Edition
(March
2004)
The
following
paragraph
does
not
apply
to
the
United
Kingdom
or
any
country
where
such
provisions
are
inconsistent
with
local
law:
INTERNATIONAL
BUSINESS
MACHINES
CORPORATION
PROVIDES
THIS
PUBLICATION
“AS
IS”
WITHOUT
ANY
WARRANTY
OF
ANY
KIND,
EITHER
EXPRESS
OR
IMPLIED,
INCLUDING,
BUT
NOT
LIMITED
TO,
THE
LIMITED
WARRANTIES
OF
MERCHANTABILITY
OR
FITNESS
FOR
A
PARTICULAR
PURPOSE.
Some
states
do
not
allow
disclaimer
or
express
or
implied
warranties
in
certain
transactions;
therefore,
this
statement
may
not
apply
to
you.
This
publication
could
include
technical
inaccuracies
or
typographical
errors.
Changes
are
periodically
made
to
the
information
herein;
these
changes
will
be
incorporated
in
new
editions
of
the
publication.
IBM
may
make
improvements
or
changes
to
the
products
or
the
programs
described
in
this
publication
at
any
time.
It
is
possible
that
this
publication
may
contain
references
to,
or
information
about,
IBM
products
(machines
and
programs),
programming,
or
services
that
are
not
announced
in
your
country.
Such
references
or
information
must
not
be
construed
to
mean
that
IBM
intends
to
announce
such
IBM
products,
programming,
or
services
in
your
country.
Requests
for
technical
information
about
IBM
products
should
be
made
to
your
IBM
authorized
dealer
or
your
IBM
marketing
representative.
©
Copyright
International
Business
Machines
Corporation
2004.
All
rights
reserved.
US
Government
Users
Restricted
Rights
–
Use,
duplication
or
disclosure
restricted
by
GSA
ADP
Schedule
Contract
with
IBM
Corp.
Contents
About
this
manual
.
.
.
.
.
.
.
.
.
.
.
Introduction
.
.
.
.
.
.
.
.
.
.
.
.
.
Important
service
information
.
.
.
.
.
.
.
.
.
Strategy
for
replacing
FRUs
.
.
.
.
.
.
.
.
How
to
use
error
messages
.
.
.
.
.
.
.
.
Diskette
compatibility
matrix
.
.
.
.
.
.
.
.
.
Safety
notices:
multilingual
translations
.
.
.
.
.
.
Safety
information
.
.
.
.
.
.
.
.
.
.
.
.
General
safety
.
.
.
.
.
.
.
.
.
.
.
.
Electrical
safety
.
.
.
.
.
.
.
.
.
.
.
Safety
inspection
guide
.
.
.
.
.
.
.
.
.
Handling
devices
that
are
sensitive
to
electrostatic
discharge
.
.
.
.
.
.
.
.
.
.
.
.
Grounding
requirements
.
.
.
.
.
.
.
.
.
Laser
compliance
statement
.
.
.
.
.
.
.
.
.
General
descriptions
.
.
.
.
.
.
.
.
.
.
Read
this
first
.
.
.
.
.
.
.
.
.
.
.
.
.
What
to
do
first
.
.
.
.
.
.
.
.
.
.
.
Related
service
information
.
.
.
.
.
.
.
.
.
Service
web
site
.
.
.
.
.
.
.
.
.
.
.
Restoring
the
preloaded
system
.
.
.
.
.
.
Passwords
.
.
.
.
.
.
.
.
.
.
.
.
.
Power
management
.
.
.
.
.
.
.
.
.
.
Checkout
guide
.
.
.
.
.
.
.
.
.
.
.
.
Testing
the
computer
.
.
.
.
.
.
.
.
.
.
Detecting
system
information
with
PC-Doctor
.
.
.
Power
system
checkout
.
.
.
.
.
.
.
.
.
ThinkPad
R40
.
.
.
.
.
.
.
.
.
.
.
.
.
Product
overview
.
.
.
.
.
.
.
.
.
.
.
.
Specifications
.
.
.
.
.
.
.
.
.
.
.
.
Status
indicators
.
.
.
.
.
.
.
.
.
.
.
FRU
tests
.
.
.
.
.
.
.
.
.
.
.
.
.
Fn
key
combinations
.
.
.
.
.
.
.
.
.
.
Symptom-to-FRU
index
.
.
.
.
.
.
.
.
.
.
Numeric
error
codes
.
.
.
.
.
.
.
.
.
.
Error
messages
.
.
.
.
.
.
.
.
.
.
.
Beep
symptoms
.
.
.
.
.
.
.
.
.
.
.
No-beep
symptoms
.
.
.
.
.
.
.
.
.
.
LCD-related
symptoms
.
.
.
.
.
.
.
.
.
Intermittent
problems
.
.
.
.
.
.
.
.
.
.
Undetermined
problems
.
.
.
.
.
.
.
.
.
FRU
replacement
notices
.
.
.
.
.
.
.
.
.
Screw
notices
.
.
.
.
.
.
.
.
.
.
.
.
Retaining
serial
numbers
.
.
.
.
.
.
.
.
.
Removing
and
replacing
a
FRU
.
.
.
.
.
.
.
.
1010
Battery
pack
.
.
.
.
.
.
.
.
.
.
.
1020
Ultrabay
Plus
device
.
.
.
.
.
.
.
.
©
Copyright
IBM
Corp.
2004
iii
1030
Hard-disk
drive
.
.
.
.
.
.
.
.
.
.
1040
DIMM
.
.
.
.
.
.
.
.
.
.
.
.
1050
Mini
PCI
adapter
.
.
.
.
.
.
.
.
.
1060
Keyboard
.
.
.
.
.
.
.
.
.
.
.
1070
Backup
battery
.
.
.
.
.
.
.
.
.
.
1080
Optical
storage
in
the
fixed
bay
.
.
.
.
.
1090
PC
Card
slot
assembly
.
.
.
.
.
.
.
1100
Hinge
cover
.
.
.
.
.
.
.
.
.
.
.
1110
Communication
daughter
card
(CDC)
.
.
.
1120
Fan
assembly
.
.
.
.
.
.
.
.
.
.
1130
CPU
.
.
.
.
.
.
.
.
.
.
.
.
.
1140
Bluetooth
antenna
assembly
.
.
.
.
.
.
1150
LCD
assembly
.
.
.
.
.
.
.
.
.
.
1160
Keyboard
bezel
.
.
.
.
.
.
.
.
.
1170
Speaker
assembly
and
microphone
cable
108
1180
System
board
.
.
.
.
.
.
.
.
.
.
1190
Hard-disk
drive
slot
.
.
.
.
.
.
.
.
2000
Ultrabay
Plus
guide
rail
.
.
.
.
.
.
.
2010
I/O
Bracket
.
.
.
.
.
.
.
.
.
.
.
2020
LCD
front
bezel
.
.
.
.
.
.
.
.
.
2030
Inverter
card
.
.
.
.
.
.
.
.
.
.
2040
LCD
panel
and
LCD
cable
assembly
.
.
.
2050
Antenna
assembly,
hinges,
and
LCD
cover
124
Locations
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Front
view
for
2681,
2682,
2683,
2722,
2723,
2724
127
Rear
view
for
2681,
2682,
2683,
2722,
2723,
2724
129
Bottom
view
for
2681,
2682,
2683,
2722,
2723,
2724
.
.
.
.
.
.
.
.
.
.
.
.
.
Front
view
for
2684,
2685
.
.
.
.
.
.
.
.
Rear
view
for
2684,
2685
.
.
.
.
.
.
.
.
Bottom
view
for
2684,
2685
.
.
.
.
.
.
.
Parts
list
.
.
.
.
.
.
.
.
.
.
.
.
.
.
R40
series
model
matrix
.
.
.
.
.
.
.
.
Overall
.
.
.
.
.
.
.
.
.
.
.
.
.
LCD
FRUs
.
.
.
.
.
.
.
.
.
.
.
.
Keyboard
.
.
.
.
.
.
.
.
.
.
.
.
.
Recovery
CDs
.
.
.
.
.
.
.
.
.
.
.
Miscellaneous
parts
.
.
.
.
.
.
.
.
.
.
AC
adapters
.
.
.
.
.
.
.
.
.
.
.
.
Telephone
cable
.
.
.
.
.
.
.
.
.
.
.
Optional
FRUs
.
.
.
.
.
.
.
.
.
.
.
Common
parts
list
.
.
.
.
.
.
.
.
.
.
Notices
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Trademarks
.
.
.
.
.
.
.
.
.
.
.
.
iv
ThinkPad
R40
About
this
manual
This
manual
contains
service
and
reference
information
for
IBM
ThinkPad
R40
product.
Use
this
manual
along
with
the
advanced
diagnostic
tests
to
troubleshoot
problems.
The
manual
is
divided
into
sections
as
follows:
v
The
common
sections
provide
general
information,
guidelines,
and
safety
information
required
in
servicing
computers.
v
The
product-specific
section
includes
service,
reference,
and
product-specific
parts
information.
Important
This
manual
is
intended
for
trained
service
personnel
who
are
familiar
with
ThinkPad
products.
Use
this
manual
along
with
the
advanced
diagnostic
tests
to
troubleshoot
problems
effectively.
Before
servicing
an
IBM
ThinkPad
product,
be
sure
to
review
the
safety
information
under
notices:
multilingual
translations”
on
page
5,
“Safety
information”
on
page
17,
and
“Laser
compliance
statement”
on
page
22.
©
Copyright
IBM
Corp.
2004
1
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