v
Make
sure
that
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
that
all
of
the
screws
are
tightened
firmly.
Retaining
serial
numbers
This
section
includes
the
following
descriptions:
v
v
v
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
1.71
or
later,
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
of
each
device
in
your
computer
is
displayed;
the
serial
number
of
the
system
unit
is
listed
as
follows:
v
20:
Serial
number
Write
down
that
number.
Note:
The
serial
number
of
the
system
unit
is
also
written
on
the
label
attached
to
the
bottom
of
the
computer.
After
you
have
replaced
the
system
board,
restore
the
serial
number
by
doing
the
following:
1.
Install
the
ThinkPad
Hardware
Maintenance
Diskette
Version
1.71
or
later
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.
FRU
replacement
notices
ThinkPad
R50e
Series
61
Содержание THINKPAD R50E -
Страница 6: ...2 R50e MT1834 1842 ...
Страница 107: ...Note Some models may not have the wireless LAN antenna cables 8 8 Removing and replacing a FRU ThinkPad R50e Series 103 ...
Страница 109: ...3 continued Removing and replacing a FRU ThinkPad R50e Series 105 ...
Страница 117: ...3 2 Removing and replacing a FRU ThinkPad R50e Series 113 ...
Страница 126: ...1 2 Removing and replacing a FRU 122 R50e MT1834 1842 ...
Страница 128: ...3 Route the cables as in the figure below e e Removing and replacing a FRU 124 R50e MT1834 1842 ...
Страница 146: ...LCD FRUs 1 2 5 6 7 3 k l m n 4 Parts list 142 R50e MT1834 1842 ...
Страница 166: ...Part Number 39T6191 1P P N 39T6191 ...
