Lenovo THINKPAD T41/T41P User Manual
Page 75
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3.
To
write
ECA
information,
select
1.
Write
ECA/rework
number
from
EEPROM,
and
follow
the
instruction.
4.
To
write
box
build
date,
select
4.
Write
box
build
date
from
EEPROM,
and
follow
the
instruction
on
the
screen.
If
the
system
board
is
being
replaced,
try
to
read
the
ECA
information
from
the
old
system
board
and
transfer
the
information
to
the
new
system.
If
the
system
board
is
inoperable,
this
will
not
be
possible.
FRU
replacement
notices
ThinkPad
T40/T40p,
T41/T41p,
T42/T42p
Series
69
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