Important
notice
for
handling
the
system
board
in
ThinkPad
T42
series:
In
ThinkPad
T42
series,
the
security
chip
a
is
soldered
on
the
underside
of
the
system
board
as
in
this
figure.
a
In
ThinkPad
T42
series,
accelerometer
chip
for
the
IBM
HDD
Active
Protection
System
b
is
also
soldered
on
the
topside
of
the
system
board.
b
Removing
and
replacing
a
FRU
ThinkPad
T40/T40p,
T41/T41p,
T42/T42p
Series
145