v
Make
sure
you
use
the
correct
screw.
If
you
have
a
torque
screwdriver,
tighten
all
screws
firmly
to
the
torque
shown
in
the
table.
Never
use
a
screw
that
you
removed.
Use
a
new
one.
Make
sure
the
screws
are
tightened
firmly.
Retaining
serial
numbers
This
section
includes
the
following
descriptions:
v
“Restoring
the
serial
number
of
the
system
unit”
v
“Retaining
the
UUID”
Restoring
the
serial
number
of
the
system
unit
When
the
computer
was
manufactured,
the
EEPROM
on
the
system
board
was
loaded
with
the
serial
numbers
of
the
system
and
all
major
components.
These
numbers
need
to
remain
the
same
throughout
the
life
of
the
computer.
If
you
replace
the
system
board,
you
must
restore
the
serial
number
of
the
system
unit
to
its
original
value.
Before
replacing
the
system
board,
save
the
original
serial
number
by
doing
the
following:
1.
Install
the
ThinkPad
hardware
maintenance
diskette
version
1.69,
and
restart
the
computer.
2.
From
the
main
menu,
select
1.
Set
System
Identification
.
3.
Select
2.
Read
S/N
data
from
EEPROM
.
The
serial
number
for
each
device
is
displayed.
Write
down
the
serial
number
of
the
system
unit,
designated
as
follows:
20:
System
unit
serial
number
After
you
have
replaced
the
system
board,
restore
the
serial
number
by
doing
the
following:
1.
Install
the
ThinkPad
hardware
maintenance
diskette
version
1.69,
and
restart
the
computer.
2.
From
the
main
menu,
select
1.
Set
System
Identification
.
3.
Select
1.
Add
S/N
data
from
EEPROM
.
Follow
the
instructions
on
the
screen.
Note:
The
serial
number
of
the
system
unit
is
written
on
the
label
attached
on
the
bottom
of
the
computer.
Retaining
the
UUID
The
Universally
Unique
Identifier
(UUID)
is
a
128-bit
number
uniquely
assigned
to
your
computer
at
production
FRU
replacement
notices
ThinkPad
R40
61
Содержание ThinkPad R40 2681
Страница 6: ...2 ThinkPad R40...
Страница 88: ...3 Removing and replacing a FRU 84 ThinkPad R40...
Страница 93: ...Modem daughter card MDC 3 4 5 continued Removing and replacing a FRU ThinkPad R40 89...
Страница 105: ...7 7 Removing and replacing a FRU ThinkPad R40 101...
Страница 109: ...Remove the keyboard bezel in the direction of arrow 2 2 2 Removing and replacing a FRU ThinkPad R40 105...
Страница 111: ...Remove the keyboard bezel in the direction of arrow 2 2 2 Removing and replacing a FRU ThinkPad R40 107...
Страница 132: ...5 6 7 8 10 11 12 13 14 9 1 2 3 4 15 16 Locations 128 ThinkPad R40...
Страница 165: ...LCD FRUs 1 2 3 4 5 Parts list ThinkPad R40 161...
Страница 183: ...Notices ThinkPad R40 179...
Страница 184: ...Part Number 13N6183 Printed in Korea 1P P N 13N6183...
