<s>
The	O
ProSpeed	B-Device
was	O
a	O
line	O
of	O
laptop	B-Device
computers	I-Device
developed	O
by	O
NEC	O
in	O
1988	O
.	O
</s>
<s>
It	O
was	O
introduced	O
simultaneously	O
with	O
their	O
slimmer	O
and	O
less	O
heavy	O
UltraLite	B-Device
line	O
of	O
notebook	B-Device
computers	I-Device
.	O
</s>
<s>
The	O
i386SX-equipped	O
CSX	O
model	O
,	O
released	O
in	O
September	O
1989	O
,	O
was	O
the	O
first	O
laptop	B-Device
with	O
a	O
color	B-Device
LCD	I-Device
.	O
</s>
<s>
It	O
was	O
also	O
one	O
of	O
the	O
first	O
laptops	B-Device
with	O
to	O
be	O
offered	O
with	O
a	O
docking	B-Device
station	I-Device
.	O
</s>
