<s>
The	O
PowerBook	B-Device
Duo	I-Device
230	I-Device
is	O
a	O
subnotebook	B-Device
personal	B-Device
computer	I-Device
introduced	O
on	O
October	O
19	O
,	O
1992	O
by	O
Apple	O
Computer	O
,	O
Inc	O
.	O
</s>
<s>
Priced	O
at	O
US	O
$2	O
,	O
610	O
,	O
the	O
PowerBook	B-Device
Duo	I-Device
230	I-Device
was	O
the	O
high	O
end	O
model	O
of	O
the	O
two	O
simultaneously	O
released	O
PowerBook	B-Device
Duos	I-Device
,	O
the	O
lower	O
end	O
being	O
the	O
US	O
$	O
2,250	O
PowerBook	B-Device
Duo	I-Device
210	I-Device
.	O
</s>
<s>
With	O
a	O
33	O
MHz	O
Motorola	B-Device
68030	I-Device
microprocessor	O
,	O
4	O
MB	O
of	O
RAM	O
and	O
an	O
80	O
or	O
120	O
MB	O
SCSI	B-Architecture
hard	B-Device
disk	I-Device
drive	I-Device
,	O
the	O
PowerBook	B-Device
Duo	I-Device
230	I-Device
was	O
nearly	O
identical	O
to	O
the	O
simultaneously	O
released	O
PowerBook	B-Device
180	I-Device
except	O
for	O
the	O
smaller	O
9.1	O
inch	O
greyscale	O
"	O
supertwist	O
"	O
passive-matrix	O
LCD	B-Device
and	O
the	O
lack	O
of	O
a	O
68882	B-General_Concept
floating-point	B-General_Concept
unit	I-General_Concept
.	O
</s>
<s>
With	O
the	O
October	O
1993	O
introduction	O
of	O
the	O
PowerBook	B-Device
Duo	I-Device
250	I-Device
and	O
270c	O
,	O
the	O
230	O
replaced	O
the	O
210	O
in	O
the	O
entry	O
level	O
,	O
eventually	O
being	O
discontinued	O
entirely	O
on	O
July	O
27	O
,	O
1994	O
shortly	O
after	O
the	O
introduction	O
of	O
the	O
68040-based	O
PowerBook	B-Device
Duo	I-Device
280	I-Device
and	O
280c	O
.	O
</s>
