<s>
The	O
PowerBook	B-Device
(	O
known	O
as	O
Macintosh	B-Device
PowerBook	I-Device
before	O
1997	O
)	O
is	O
a	O
family	O
of	O
Macintosh	B-Device
laptop	B-Device
computers	I-Device
designed	O
,	O
manufactured	O
and	O
sold	O
by	O
Apple	O
Computer	O
from	O
1991	O
to	O
2006	O
.	O
</s>
<s>
During	O
its	O
lifetime	O
,	O
the	O
PowerBook	B-Device
went	O
through	O
several	O
major	O
revisions	O
and	O
redesigns	O
,	O
often	O
being	O
the	O
first	O
to	O
incorporate	O
features	O
that	O
would	O
later	O
become	O
standard	O
in	O
competing	O
laptops	B-Device
.	O
</s>
<s>
The	O
PowerBook	B-Device
line	O
was	O
targeted	O
at	O
the	O
professional	O
market	O
.	O
</s>
<s>
In	O
1999	O
,	O
the	O
line	O
was	O
supplemented	O
by	O
the	O
home	O
and	O
education-focused	O
iBook	B-Device
family	O
.	O
</s>
<s>
The	O
PowerBook	B-Device
was	O
replaced	O
by	O
the	O
MacBook	B-Operating_System
Pro	I-Operating_System
in	O
2006	O
as	O
part	O
of	O
the	O
Mac	B-Device
transition	I-Device
to	I-Device
Intel	I-Device
processors	I-Device
.	O
</s>
<s>
In	O
October	O
1991	O
,	O
Apple	O
released	O
the	O
first	O
three	O
PowerBooks	B-Device
:	O
the	O
low-end	O
PowerBook	B-Device
100	I-Device
,	O
the	O
more	O
powerful	O
PowerBook	B-Device
140	I-Device
,	O
and	O
the	O
high	O
end	O
PowerBook	B-Device
170	I-Device
,	O
the	O
only	O
one	O
with	O
an	O
active	B-General_Concept
matrix	I-General_Concept
display	O
.	O
</s>
<s>
These	O
machines	O
caused	O
a	O
stir	O
in	O
the	O
industry	O
with	O
their	O
compact	O
dark	O
grey	O
cases	O
,	O
built-in	O
trackball	B-Device
,	O
and	O
the	O
innovative	O
positioning	O
of	O
the	O
keyboard	O
that	O
left	O
room	O
for	O
palmrests	O
on	O
either	O
side	O
of	O
the	O
pointing	B-Device
device	I-Device
.	O
</s>
<s>
Portable	O
PC	O
computers	O
at	O
the	O
time	O
were	O
still	O
oriented	O
toward	O
DOS	O
,	O
and	O
tended	O
to	O
have	O
the	O
keyboard	O
forward	O
towards	O
the	O
user	O
,	O
with	O
empty	O
space	O
behind	O
it	O
that	O
was	O
often	O
used	O
for	O
function	B-Application
key	I-Application
reference	B-General_Concept
cards	I-General_Concept
.	O
</s>
<s>
In	O
the	O
early	O
days	O
of	O
Microsoft	B-Application
Windows	I-Application
,	O
many	O
notebooks	B-Device
came	O
with	O
a	O
clip	O
on	O
trackball	B-Device
that	O
fit	O
on	O
the	O
edge	O
of	O
the	O
keyboard	O
molding	O
.	O
</s>
<s>
As	O
usage	O
of	O
DOS	O
gave	O
way	O
to	O
the	O
graphical	B-Application
user	I-Application
interface	I-Application
,	O
the	O
PowerBook	B-Device
's	O
arrangement	O
became	O
the	O
standard	O
layout	O
all	O
future	O
notebook	B-Device
computers	I-Device
would	O
follow	O
.	O
</s>
<s>
The	O
PowerBook	B-Device
140	I-Device
and	O
170	O
were	O
the	O
original	O
PowerBook	B-Device
designs	O
,	O
while	O
the	O
PowerBook	B-Device
100	I-Device
was	O
the	O
result	O
of	O
Apple	O
having	O
sent	O
the	O
schematics	O
of	O
the	O
Mac	B-Device
Portable	I-Device
to	O
Sony	O
,	O
who	O
miniaturized	O
the	O
components	O
.	O
</s>
<s>
Hence	O
the	O
PowerBook	B-Device
100	I-Device
's	O
design	O
does	O
not	O
match	O
those	O
of	O
the	O
rest	O
of	O
the	O
series	O
,	O
as	O
it	O
was	O
actually	O
designed	O
after	O
the	O
140	O
and	O
170	O
and	O
further	O
benefited	O
from	O
improvements	O
learned	O
during	O
their	O
development	O
.	O
</s>
<s>
The	O
PowerBook	B-Device
100	I-Device
,	O
however	O
,	O
did	O
not	O
sell	O
well	O
until	O
Apple	O
dropped	O
the	O
price	O
substantially	O
.	O
</s>
<s>
The	O
100	O
series	O
PowerBooks	B-Device
were	O
intended	O
to	O
tie	O
into	O
the	O
rest	O
of	O
the	O
Apple	O
desktop	O
products	O
utilizing	O
the	O
corporate	O
Snow	O
White	O
design	O
language	O
incorporated	O
into	O
all	O
product	O
designs	O
since	O
1986	O
.	O
</s>
<s>
Unlike	O
the	O
Macintosh	B-Device
Portable	I-Device
,	O
however	O
,	O
which	O
was	O
essentially	O
a	O
battery-powered	O
desktop	O
in	O
weight	O
and	O
size	O
,	O
the	O
light	O
colors	O
and	O
decorative	O
recessed	O
lines	O
did	O
not	O
seem	O
appropriate	O
for	O
the	O
scaled-down	O
designs	O
.	O
</s>
<s>
The	O
first	O
series	O
of	O
PowerBooks	B-Device
were	O
hugely	O
successful	O
,	O
capturing	O
40%	O
of	O
all	O
laptop	B-Device
sales	O
.	O
</s>
<s>
When	O
attempting	O
to	O
increase	O
processing	O
power	O
,	O
Apple	O
was	O
hampered	O
by	O
the	O
overheating	O
problems	O
of	O
the	O
68040	B-Device
;	O
this	O
resulted	O
in	O
the	O
100-series	O
PowerBook	B-Device
being	O
stuck	O
with	O
the	O
aging	O
68030	B-Device
,	O
which	O
could	O
not	O
compete	O
with	O
newer-generation	O
Intel	O
80486-based	O
PC	O
laptops	B-Device
introduced	O
in	O
1994	O
.	O
</s>
<s>
For	O
several	O
years	O
,	O
new	O
PowerBook	B-Device
and	O
PowerBook	B-Device
Duo	I-Device
computers	O
were	O
introduced	O
that	O
featured	O
incremental	O
improvements	O
,	O
including	O
color	O
screens	O
,	O
but	O
by	O
mid-decade	O
,	O
most	O
other	O
companies	O
had	O
copied	O
the	O
majority	O
of	O
the	O
PowerBook	B-Device
's	O
features	O
.	O
</s>
<s>
Apple	O
was	O
unable	O
to	O
ship	O
a	O
68040-equipped	O
PowerBook	B-Device
until	O
the	O
PowerBook	B-Device
500	I-Device
series	I-Device
in	O
1994	O
.	O
</s>
<s>
The	O
original	O
PowerBook	B-Device
100	I-Device
,	O
140	O
,	O
and	O
170	O
were	O
replaced	O
by	O
the	O
145	O
(	O
updated	O
to	O
the	O
145B	O
in	O
1993	O
)	O
,	O
160	B-Device
,	O
and	O
180	B-Device
in	O
1992	O
.	O
</s>
<s>
The	O
160	B-Device
and	O
180	B-Device
having	O
video	O
output	O
allowing	O
them	O
to	O
drive	O
an	O
external	O
monitor	B-Device
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
PowerBook	B-Device
180	I-Device
had	O
a	O
superb-for-the-time	O
active-matrix	B-General_Concept
grayscale	O
display	O
,	O
making	O
it	O
popular	O
with	O
the	O
Mac	O
press	O
.	O
</s>
<s>
In	O
1993	O
,	O
the	O
PowerBook	B-Device
165c	I-Device
was	O
the	O
first	O
PowerBook	B-Device
with	O
a	O
color	O
screen	O
,	O
later	O
followed	O
by	O
the	O
180c	B-Device
.	O
</s>
<s>
In	O
1994	O
,	O
the	O
last	O
true	O
member	O
of	O
the	O
100-series	O
form	O
factor	O
introduced	O
was	O
the	O
PowerBook	B-Device
150	I-Device
,	O
targeted	O
at	O
value-minded	O
consumers	O
and	O
students	O
.	O
</s>
<s>
The	O
PowerBook	B-Device
190	I-Device
,	O
released	O
in	O
1995	O
,	O
bears	O
no	O
resemblance	O
to	O
the	O
rest	O
of	O
the	O
PowerBook	B-Device
100	I-Device
series	O
,	O
and	O
is	O
in	O
fact	O
simply	O
a	O
Motorola	O
68LC040-based	O
version	O
of	O
the	O
PowerBook	B-Device
5300	I-Device
(	O
and	O
the	O
last	O
Macintosh	B-Device
model	O
to	O
utilize	O
a	O
Motorola	O
68k-family	O
processor	O
)	O
.	O
</s>
<s>
Like	O
the	O
190	O
,	O
however	O
,	O
the	O
150	O
also	O
used	O
the	O
5300	O
IDE-based	O
logic-board	O
architecture	O
.	O
</s>
<s>
From	O
the	O
100	O
's	O
68000	B-Device
processor	O
,	O
to	O
the	O
190	O
's	O
68LC040	O
processor	O
,	O
the	O
100	O
series	O
PowerBooks	B-Device
span	O
the	O
entire	O
Apple	O
68K	B-Device
line	O
,	O
with	O
the	O
190	O
even	O
upgradable	O
to	O
a	O
PowerPC	B-Architecture
processor	I-Architecture
.	O
</s>
<s>
In	O
1992	O
Apple	O
released	O
a	O
hybrid	O
portable/desktop	O
computer	O
,	O
the	O
PowerBook	B-Device
Duo	I-Device
,	O
continuing	O
to	O
streamline	O
the	O
subnotebook	B-Device
features	O
introduced	O
with	O
the	O
PowerBook	B-Device
100	I-Device
.	O
</s>
<s>
The	O
Duos	O
were	O
a	O
series	O
of	O
very	O
thin	O
and	O
lightweight	O
laptops	B-Device
with	O
a	O
minimum	O
of	O
features	O
,	O
which	O
could	O
be	O
inserted	O
into	O
a	O
docking	B-Device
station	I-Device
to	O
provide	O
the	O
system	O
with	O
extra	O
video	O
memory	B-Architecture
,	O
storage	B-Device
space	I-Device
,	O
connectors	O
,	O
and	O
could	O
be	O
connected	O
to	O
a	O
monitor	B-Device
.	O
</s>
<s>
1994	O
saw	O
the	O
introduction	O
of	O
the	O
Motorola	O
68LC040-based	O
PowerBook	B-Device
500	I-Device
series	I-Device
,	O
code-named	O
Blackbird	O
.	O
</s>
<s>
These	O
models	O
of	O
PowerBooks	B-Device
were	O
much	O
sleeker	O
and	O
faster	O
than	O
the	O
100	O
series	O
,	O
which	O
they	O
replaced	O
as	O
the	O
mid	O
and	O
high-end	O
models	O
.	O
</s>
<s>
The	O
500	O
series	O
featured	O
DSTN	B-Application
(	O
520	O
)	O
or	O
active-matrix	B-General_Concept
LCD	B-Device
displays	I-Device
(	O
540	O
and	O
550	O
)	O
,	O
stereo	O
speakers	O
,	O
and	O
was	O
the	O
first	O
computer	O
to	O
use	O
a	O
trackpad	B-Device
(	O
although	O
a	O
similar	O
technology	O
had	O
been	O
included	O
on	O
the	O
pioneering	O
Gavilan	O
SC	O
11	O
years	O
earlier	O
)	O
;	O
it	O
was	O
also	O
the	O
first	O
portable	O
computer	O
to	O
offer	O
built-in	O
Ethernet	O
networking	O
.	O
</s>
<s>
The	O
PowerBook	B-Device
500	I-Device
series	I-Device
was	O
the	O
mainstay	O
of	O
the	O
product	O
line	O
until	O
the	O
PowerBook	B-Device
5300	I-Device
.	O
</s>
<s>
The	O
500	O
series	O
was	O
the	O
first	O
PowerBook	B-Device
to	O
feature	O
PCMCIA	O
slots	O
,	O
although	O
this	O
was	O
an	O
optional	O
feature	O
that	O
required	O
the	O
user	O
to	O
sacrifice	O
one	O
of	O
the	O
two	O
available	O
battery	O
slots	O
to	O
house	O
the	O
PCMCIA	O
expansion	O
cage	O
.	O
</s>
<s>
The	O
PowerBook	B-Device
500	I-Device
series	I-Device
was	O
released	O
as	O
Apple	O
was	O
already	O
moving	O
its	O
desktop	O
machines	O
to	O
the	O
PowerPC	B-Architecture
processor	I-Architecture
range	O
,	O
and	O
a	O
future	O
upgrade	O
was	O
promised	O
from	O
the	O
start	O
.	O
</s>
<s>
This	O
came	O
in	O
1995	O
,	O
as	O
an	O
Apple	O
Motherboard	O
containing	O
a	O
100MHz	O
603e	O
processor	O
and	O
8	O
MB	O
of	O
RAM	B-Architecture
(	O
which	O
snapped	O
into	O
a	O
slot	O
containing	O
the	O
previous	O
25	O
or	O
33MHz	O
68040	B-Device
processor	O
and	O
the	O
4	O
MB	O
of	O
RAM	B-Architecture
on	O
the	O
previous	O
daughterboard	O
)	O
.	O
</s>
<s>
At	O
the	O
same	O
time	O
Newer	B-Device
Technology	I-Device
offered	O
an	O
Apple-authorized	O
117MHz	O
Motherboard	O
,	O
which	O
was	O
more	O
popular	O
than	O
the	O
Apple	O
product	O
,	O
and	O
optionally	O
came	O
without	O
any	O
RAM	B-Architecture
.	O
</s>
<s>
The	O
company	O
later	O
offered	O
167MHz	O
and	O
183MHz	O
upgrades	O
containing	O
more	O
memory	B-Architecture
and	O
onboard	O
cache	B-General_Concept
memory	I-General_Concept
to	O
improve	O
performance	O
.	O
</s>
<s>
The	O
500	O
series	O
was	O
completely	O
discontinued	O
upon	O
the	O
introduction	O
of	O
its	O
replacement	O
the	O
PPC-based	O
PowerBook	B-Device
5300	I-Device
,	O
with	O
the	O
PowerBook	B-Device
190	I-Device
replacing	O
the	O
500	O
as	O
the	O
only	O
68LC040	O
PowerBook	B-Device
Apple	O
offered	O
.	O
</s>
<s>
The	O
PowerBook	B-Device
5300	I-Device
,	O
while	O
highly	O
anticipated	O
as	O
one	O
of	O
the	O
first	O
PowerPC-based	O
PowerBooks	B-Device
(	O
along	O
with	O
the	O
PowerBook	B-Device
Duo	I-Device
2300c	I-Device
,	O
both	O
released	O
on	O
the	O
same	O
day	O
)	O
,	O
had	O
numerous	O
problems	O
.	O
</s>
<s>
In	O
its	O
5300ce	O
incarnation	O
with	O
a	O
TFT	O
of	O
800x600	O
pixels	O
,	O
Apple	O
offered	O
a	O
117MHz	O
PPC	O
,	O
32	O
MB	O
of	O
on-board	O
RAM	B-Architecture
,	O
and	O
a	O
hot-swappable	O
drive	B-Device
bay	I-Device
.	O
</s>
<s>
With	O
all	O
of	O
these	O
features	O
,	O
though	O
,	O
the	O
5300ce	O
was	O
quite	O
ahead	O
of	O
other	O
laptop	B-Device
models	O
at	O
the	O
time	O
.	O
</s>
<s>
Multiple	O
problems	O
with	O
reliability	O
,	O
stability	O
and	O
safety	O
(	O
by	O
some	O
,	O
the	O
model	O
was	O
referred	O
as	O
the	O
"	O
HindenBook	O
"	O
because	O
the	O
lithium	O
ion	O
batteries	O
used	O
actually	O
burst	O
into	O
flame	O
in	O
Apple	O
tests	O
,	O
necessitating	O
a	O
recall	O
and	O
downgrade	O
to	O
nickel	B-Device
metal	I-Device
hydride	I-Device
batteries	I-Device
)	O
were	O
present	O
in	O
the	O
early	O
5300s	O
.	O
</s>
<s>
Apple	O
recovered	O
from	O
the	O
5300	O
debacle	O
in	O
1996	O
and	O
1997	O
by	O
introducing	O
three	O
new	O
PowerBooks	B-Device
:	O
the	O
PowerBook	B-Device
1400	I-Device
,	O
intended	O
to	O
replace	O
the	O
5300	O
as	O
a	O
general-purpose	O
PowerBook	B-Device
;	O
the	O
PowerBook	B-Device
2400	I-Device
,	O
intended	O
as	O
a	O
slim	O
,	O
sleek	O
sub-notebook	B-Device
to	O
replace	O
the	O
PowerBook	B-Device
Duo	I-Device
;	O
and	O
the	O
luxury	O
model	O
PowerBook	B-Device
3400	I-Device
.	O
</s>
<s>
The	O
PowerBook	B-Device
1400	I-Device
and	O
3400	O
were	O
the	O
first	O
PowerBooks	B-Device
ever	O
to	O
include	O
an	O
internal	O
CD	O
drive	O
.	O
</s>
<s>
Late	O
in	O
1997	O
,	O
the	O
PowerBook	B-Device
3400	I-Device
was	O
adapted	O
into	O
the	O
first	O
PowerBook	B-Device
G3	O
,	O
codenamed	O
the	O
Kanga	O
.	O
</s>
<s>
This	O
series	O
was	O
the	O
last	O
PowerBook	B-Device
model	O
to	O
employ	O
a	O
"	O
real	O
"	O
keyboard	O
with	O
1cm	O
high	O
keys	O
;	O
all	O
later	O
models	O
have	O
flat	O
keys	O
.	O
</s>
<s>
The	O
first	O
PowerBook	B-Device
G3	O
Series	O
(	O
completely	O
redesigned	O
from	O
the	O
Kanga	O
)	O
was	O
released	O
in	O
1998	O
,	O
although	O
it	O
was	O
still	O
an	O
Old	B-Device
World	I-Device
ROM	I-Device
Mac	O
.	O
</s>
<s>
These	O
new	O
PowerBooks	B-Device
took	O
design	O
cues	O
from	O
the	O
500	O
series	O
PowerBook	B-Device
,	O
sporting	O
dramatic	O
curves	O
and	O
a	O
jet-black	O
plastic	O
case	O
.	O
</s>
<s>
Debuting	O
at	O
roughly	O
the	O
same	O
time	O
as	O
the	O
G3	O
iMac	B-Device
,	O
the	O
"	O
WallStreet/Mainstreet	O
"	O
series	O
composed	O
of	O
models	O
with	O
varying	O
features	O
,	O
such	O
as	O
different	O
processing	O
speeds	O
(	O
from	O
233	O
to	O
300MHz	O
)	O
and	O
the	O
choice	O
of	O
12-	O
,	O
13-	O
,	O
or	O
14-inch	O
screens	O
.	O
</s>
<s>
They	O
all	O
included	O
dual	O
drive	B-Device
bays	I-Device
capable	O
of	O
accommodating	O
floppy	O
drives	O
,	O
CD-ROM/DVD	O
-ROM	O
drives	O
,	O
hard	B-Device
drives	I-Device
,	O
or	O
even	O
extra	O
batteries	O
.	O
</s>
<s>
A	O
second	O
PowerBook	B-Device
G3	O
Series	O
code-named	O
"	O
PDQ	O
"	O
was	O
introduced	O
later	O
in	O
1998	O
,	O
with	O
minor	O
changes	O
in	O
configuration	O
options	O
,	O
notably	O
the	O
inclusion	O
of	O
L2	O
cache	B-General_Concept
in	O
even	O
the	O
lowest-priced	O
233MHz	O
model	O
,	O
which	O
helped	O
overall	O
performance	O
.	O
</s>
<s>
Apple	O
introduced	O
two	O
later	O
G3	O
PowerBook	B-Device
models	O
,	O
similar	O
in	O
appearance	O
(	O
curved	O
,	O
black	O
plastic	O
case	O
with	O
black	O
rubberized	O
sections	O
)	O
but	O
thinner	O
,	O
lighter	O
and	O
with	O
revised	O
internal	O
systems	O
.	O
</s>
<s>
The	O
"	O
Lombard	O
"	O
appeared	O
in	O
1999	O
,	O
(	O
AKA	O
:	O
Bronze	O
Keyboard	O
)	O
a	O
thinner	O
,	O
lighter	O
,	O
and	O
faster	O
(	O
333	O
or	O
400MHz	O
)	O
PowerBook	B-Device
with	O
a	O
longer	O
battery	O
life	O
and	O
had	O
both	O
USB	B-Protocol
and	O
SCSI	B-Architecture
built	O
in	O
and	O
was	O
a	O
New	B-Device
World	I-Device
ROM	I-Device
Mac	O
,	O
and	O
then	O
the	O
"	O
Pismo	O
"	O
in	O
2000	O
,	O
which	O
replaced	O
the	O
single	O
SCSI	B-Architecture
port	O
with	O
two	O
FireWire	B-Protocol
ports	I-Protocol
,	O
updated	O
the	O
PowerBook	B-Device
line	O
to	O
AGP	B-Architecture
graphics	O
,	O
a	O
100MHz	O
bus	O
speed	O
,	O
and	O
DVD-ROM	O
optical	O
drives	O
standard	O
,	O
in	O
addition	O
to	O
dropping	O
the	O
"	O
G3	O
"	O
from	O
the	O
PowerBook	B-Device
name	O
.	O
</s>
<s>
The	O
Pismo	O
revision	O
also	O
brought	O
AirPort	O
wireless	O
networking	O
capability	O
(	O
802.11b	O
)	O
,	O
which	O
had	O
debuted	O
in	O
Apple	O
's	O
iBook	B-Device
in	O
July	O
1999	O
.	O
</s>
<s>
Interim	O
CEO	O
Steve	O
Jobs	O
turned	O
his	O
eye	O
to	O
the	O
redesign	O
of	O
the	O
PowerBook	B-Device
series	O
in	O
2000	O
.	O
</s>
<s>
The	O
result	O
,	O
introduced	O
in	O
January	O
2001	O
,	O
was	O
a	O
completely	O
re-designed	O
New	B-Device
World	I-Device
PowerBook	B-Device
with	O
a	O
titanium	O
skin	O
and	O
a	O
15.2-inch	O
wide-aspect	O
screen	O
suitable	O
for	O
watching	O
widescreen	O
movies	O
.	O
</s>
<s>
Built	O
with	O
the	O
PowerPC	B-General_Concept
G4	I-General_Concept
processor	O
,	O
it	O
was	O
billed	O
as	O
"	O
the	O
first	O
supercomputer	O
you	O
can	O
actually	O
take	O
with	O
you	O
on	O
an	O
airplane.	O
"	O
</s>
<s>
It	O
was	O
lighter	O
than	O
most	O
PC	O
based	O
laptops	B-Device
,	O
and	O
due	O
to	O
the	O
low	O
power	O
consumption	O
of	O
the	O
PowerPC	B-Architecture
it	O
outlasted	O
them	O
by	O
hours	O
.	O
</s>
<s>
Because	O
of	O
their	O
large	O
screens	O
and	O
high	O
performance	O
,	O
Titanium	O
Powerbooks	B-Device
were	O
the	O
first	O
laptops	B-Device
to	O
be	O
widely	O
deployed	O
as	O
desktop	B-Application
replacement	I-Application
computers	I-Application
.	O
</s>
<s>
The	O
industrial	O
design	O
of	O
the	O
notebooks	B-Device
quickly	O
became	O
a	O
standard	O
that	O
others	O
in	O
the	O
industry	O
would	O
follow	O
,	O
creating	O
a	O
new	O
wave	O
of	O
wide-screened	O
notebook	B-Device
computers	I-Device
.	O
</s>
<s>
The	O
Titanium	O
PowerBooks	B-Device
were	O
released	O
in	O
configurations	O
of	O
400MHz	O
,	O
500MHz	O
,	O
550MHz	O
,	O
667MHz	O
,	O
800MHz	O
,	O
867MHz	O
,	O
and	O
1GHz	O
.	O
</s>
<s>
They	O
are	O
the	O
last	O
PowerBooks	B-Device
able	O
to	O
boot	O
Mac	B-Application
OS	I-Application
9	O
.	O
</s>
<s>
In	O
2003	O
,	O
Apple	O
Computer	O
launched	O
both	O
the	O
largest-screen	O
laptop	B-Device
in	O
the	O
world	O
and	O
Apple	O
's	O
smallest	O
full-featured	O
notebook	B-Device
computer	I-Device
.	O
</s>
<s>
Both	O
machines	O
were	O
made	O
of	O
anodized	O
aluminum	O
(	O
coining	O
the	O
new	O
nickname	O
AlBook	O
)	O
,	O
featured	O
DVD-burning	O
capabilities	O
,	O
AirPort	O
Extreme	O
networking	O
,	O
Bluetooth	B-Protocol
,	O
and	O
12.1-inch	O
or	O
17-inch	O
LCD	B-Device
displays	I-Device
.	O
</s>
<s>
The	O
17-inch	O
model	O
included	O
a	O
fiber	O
optic-illuminated	O
keyboard	O
,	O
which	O
eventually	O
became	O
standard	O
on	O
all	O
15-inch	O
and	O
17-inch	O
PowerBooks	B-Device
.	O
</s>
<s>
The	O
12-inch	O
PowerBook	B-Device
's	O
screen	O
did	O
not	O
use	O
the	O
same	O
panel	O
as	O
that	O
used	O
on	O
the	O
12-inch	O
iBook	B-Device
,	O
while	O
the	O
17-inch	O
PowerBook	B-Device
used	O
the	O
same	O
screen	O
as	O
that	O
used	O
on	O
the	O
17-inch	O
flat-panel	O
iMac	B-Device
,	O
but	O
with	O
a	O
thinner	O
backlight	O
.	O
</s>
<s>
Later	O
in	O
2003	O
,	O
the	O
15-inch	O
PowerBooks	B-Device
were	O
redesigned	O
and	O
featured	O
the	O
same	O
aluminum	O
body	O
style	O
as	O
their	O
smaller	O
and	O
larger	O
siblings	O
,	O
and	O
with	O
the	O
same	O
feature	O
set	O
as	O
the	O
17-inch	O
model	O
(	O
including	O
the	O
backlit	O
keyboard	O
)	O
.	O
</s>
<s>
This	O
basic	O
design	O
would	O
carry	O
through	O
the	O
transition	O
to	O
the	O
Intel-based	O
MacBook	B-Operating_System
Pro	I-Operating_System
,	O
lasting	O
until	O
late	O
2008	O
.	O
</s>
<s>
In	O
April	O
2004	O
,	O
the	O
aluminum	O
PowerBooks	B-Device
were	O
upgraded	O
.	O
</s>
<s>
The	O
SuperDrive	B-Device
was	O
upgraded	O
to	O
4×	O
burning	O
speed	O
for	O
DVDs	O
,	O
the	O
fastest	O
processor	O
available	O
was	O
upgraded	O
to	O
1.5GHz	O
,	O
and	O
the	O
graphics	O
cards	O
were	O
replaced	O
with	O
newer	O
models	O
,	O
offering	O
up	O
to	O
128	O
MB	O
of	O
video	O
memory	B-Architecture
.	O
</s>
<s>
In	O
addition	O
,	O
AirPort	O
Extreme	O
cards	O
became	O
standard	O
for	O
all	O
PowerBooks	B-Device
instead	O
of	O
being	O
offered	O
as	O
an	O
add-on	O
option	O
.	O
</s>
<s>
In	O
January	O
2005	O
,	O
the	O
specifications	O
of	O
the	O
aluminum	O
PowerBooks	B-Device
were	O
revised	O
once	O
more	O
to	O
accompany	O
a	O
price	O
decrease	O
.	O
</s>
<s>
Memory	B-Architecture
and	O
hard	B-Device
drive	I-Device
defaults	O
were	O
increased	O
to	O
512	O
MB	O
and	O
5400	O
rpm	O
,	O
respectively	O
,	O
with	O
a	O
new	O
storage	O
maximum	O
of	O
100	O
GB	O
on	O
the	O
17-inch	O
model	O
.	O
</s>
<s>
Each	O
model	O
also	O
received	O
an	O
enhanced	O
trackpad	B-Device
with	O
scrolling	O
capabilities	O
,	O
a	O
revised	O
Bluetooth	B-Protocol
module	O
supporting	O
BT	O
2.0	O
+EDR	O
,	O
and	O
a	O
new	O
feature	O
that	O
parks	O
the	O
drive	O
heads	O
when	O
sudden	O
motion	O
is	O
detected	O
by	O
an	O
internal	O
sensor	O
.	O
</s>
<s>
The	O
SuperDrive	B-Device
now	O
included	O
DVD+R	O
capability	O
.	O
</s>
<s>
In	O
October	O
2005	O
,	O
the	O
two	O
higher-end	O
PowerBooks	B-Device
were	O
upgraded	O
once	O
again	O
,	O
with	O
higher-resolution	O
displays	O
(	O
1440	O
×	O
960	O
pixels	O
on	O
the	O
15-inch	O
model	O
,	O
and	O
1680	O
×	O
1050	O
pixels	O
on	O
the	O
17-inch	O
model	O
)	O
and	O
faster	O
533MHz	O
DDR2	O
(	O
PC2-4200	O
)	O
memory	B-Architecture
.	O
</s>
<s>
The	O
SuperDrive	B-Device
became	O
standard	O
equipment	O
and	O
included	O
support	O
for	O
dual-layer	O
DVDs	O
on	O
the	O
15	O
-	O
and	O
17-inch	O
models	O
.	O
</s>
<s>
The	O
17-inch	O
model	O
was	O
updated	O
with	O
a	O
120	O
GB	O
standard	O
hard	B-Device
drive	I-Device
,	O
as	O
well	O
as	O
a	O
7200	O
rpm	O
,	O
100	O
GB	O
build-to-order	O
option	O
.	O
</s>
<s>
These	O
drives	O
were	O
also	O
options	O
on	O
the	O
15-inch	O
PowerBook	B-Device
.	O
</s>
<s>
The	O
12-inch	O
model	O
with	O
SuperDrive	B-Device
remained	O
unchanged	O
in	O
this	O
respect	O
,	O
although	O
each	O
new	O
PowerBook	B-Device
boasted	O
a	O
longer	O
battery	O
life	O
.	O
</s>
<s>
On	O
May	O
20	O
,	O
2005	O
,	O
Apple	O
and	O
the	O
Consumer	O
Product	O
Safety	O
Commission	O
announced	O
the	O
recall	O
of	O
some	O
Apple	B-Device
PowerBook	I-Device
G4	O
batteries	O
.	O
</s>
<s>
These	O
batteries	O
were	O
manufactured	O
by	O
Sony	O
;	O
Dell	O
,	O
Toshiba	O
,	O
Lenovo	O
,	O
HP	O
,	O
Fujitsu	O
and	O
Acer	O
laptops	B-Device
were	O
also	O
affected	O
by	O
the	O
defective	O
batteries	O
.	O
</s>
<s>
In	O
early	O
August	O
2006	O
,	O
Engadget	B-Application
reported	O
that	O
a	O
PowerBook	B-Device
had	O
"	O
violently	O
exploded	O
"	O
because	O
of	O
faulty	O
battery	O
.	O
</s>
<s>
On	O
August	O
24	O
,	O
2006	O
,	O
Apple	O
and	O
the	O
CPSC	O
announced	O
an	O
additional	O
recall	O
of	O
more	O
batteries	O
for	O
the	O
same	O
PowerBook	B-Device
models	O
.	O
</s>
<s>
At	O
the	O
2006	O
Macworld	O
Conference	O
&	O
Expo	O
,	O
the	O
MacBook	B-Operating_System
Pro	I-Operating_System
was	O
introduced	O
.	O
</s>
<s>
The	O
new	O
notebooks	B-Device
,	O
however	O
,	O
only	O
came	O
in	O
15.4-inch	O
models	O
and	O
the	O
12-inch	O
and	O
17-inch	O
PowerBooks	B-Device
remained	O
available	O
for	O
sale	O
at	O
Apple	O
stores	O
and	O
retailers	O
,	O
as	O
well	O
as	O
the	O
15-inch	O
model	O
,	O
which	O
was	O
sold	O
until	O
supplies	O
ran	O
out	O
.	O
</s>
<s>
On	O
April	O
24	O
,	O
2006	O
the	O
17-inch	O
PowerBook	B-Device
G4	O
was	O
replaced	O
by	O
a	O
17-inch	O
MacBook	B-Operating_System
Pro	I-Operating_System
variant	O
.	O
</s>
<s>
The	O
12-inch	O
PowerBook	B-Device
G4	O
remained	O
available	O
until	O
May	O
16	O
,	O
2006	O
,	O
when	O
the	O
MacBook	B-Device
was	O
introduced	O
as	O
a	O
replacement	O
for	O
the	O
iBook	B-Device
.	O
</s>
<s>
Because	O
of	O
its	O
availability	O
in	O
highly	O
powerful	O
configurations	O
,	O
it	O
was	O
also	O
considered	O
a	O
replacement	O
for	O
the	O
12-inch	O
PowerBook	B-Device
,	O
ending	O
the	O
nearly	O
15-year	O
production	O
of	O
PowerBook-branded	O
computers	O
.	O
</s>
<s>
An	O
indirect	O
successor	O
,	O
the	O
13-inch	O
MacBook	B-Operating_System
Pro	I-Operating_System
,	O
was	O
introduced	O
in	O
mid	O
2009	O
.	O
</s>
<s>
Traditionally	O
,	O
the	O
portable	O
line	O
trailed	O
the	O
desktops	O
in	O
the	O
utilization	O
of	O
the	O
latest	O
processors	O
,	O
with	O
the	O
notable	O
exception	O
of	O
the	O
PowerBook	B-Device
G3	O
,	O
which	O
was	O
released	O
simultaneously	O
with	O
the	O
desktop	O
Power	B-Device
Macintosh	I-Device
G3	O
.	O
</s>
<s>
PowerBooks	B-Device
would	O
continue	O
to	O
trail	O
behind	O
the	O
desktop	O
Macs	O
,	O
however	O
,	O
never	O
even	O
adopting	O
the	O
G5	B-General_Concept
processor	I-General_Concept
.	O
</s>
<s>
With	O
the	O
introduction	O
of	O
the	O
Intel-based	O
Macs	O
,	O
once	O
again	O
,	O
the	O
MacBook	B-Operating_System
Pro	I-Operating_System
joined	O
the	O
iMac	B-Device
in	O
sharing	O
the	O
new	O
technology	O
simultaneously	O
.	O
</s>
