<s>
iBook	O
is	O
a	O
line	O
of	O
laptop	B-Device
computers	I-Device
designed	O
,	O
manufactured	O
,	O
and	O
sold	O
by	O
Apple	O
Computer	O
from	O
1999	O
to	O
2006	O
.	O
</s>
<s>
The	O
line	O
targeted	O
entry-level	O
,	O
consumer	O
and	O
education	O
markets	O
,	O
with	O
lower	O
specifications	O
and	O
prices	O
than	O
the	O
PowerBook	B-Device
,	O
Apple	O
's	O
higher-end	O
line	O
of	O
laptop	B-Device
computers	I-Device
.	O
</s>
<s>
The	O
first	O
,	O
known	O
as	O
the	O
"	O
Clamshell	O
"	O
,	O
was	O
inspired	O
by	O
the	O
design	O
of	O
Apple	O
's	O
popular	O
iMac	B-Device
line	O
at	O
the	O
time	O
.	O
</s>
<s>
It	O
was	O
a	O
significant	O
departure	O
from	O
previous	O
portable	O
computer	O
designs	O
due	O
to	O
its	O
shape	O
,	O
bright	O
colors	O
,	O
incorporation	O
of	O
a	O
handle	O
into	O
the	O
casing	O
,	O
lack	O
of	O
a	O
display	O
closing	O
latch	O
,	O
lack	O
of	O
a	O
hinged	O
cover	O
over	O
the	O
external	O
ports	O
and	O
built-in	O
wireless	B-General_Concept
networking	I-General_Concept
.	O
</s>
<s>
In	O
October	O
2003	O
,	O
the	O
third	O
generation	O
was	O
introduced	O
,	O
adding	O
a	O
PowerPC	B-General_Concept
G4	I-General_Concept
chip	O
,	O
USB	B-Protocol
2.0	O
and	O
a	O
slot-loading	O
drive	O
.	O
</s>
<s>
Apple	O
replaced	O
the	O
iBook	O
line	O
with	O
the	O
MacBook	B-Operating_System
in	O
May	O
2006	O
during	O
the	O
Mac	B-Device
transition	I-Device
to	I-Device
Intel	I-Device
processors	I-Device
.	O
</s>
<s>
In	O
the	O
late	O
1990s	O
,	O
Apple	O
was	O
trimming	O
its	O
product	O
line	O
from	O
the	O
bewildering	O
variety	O
of	O
intersecting	O
Performa	B-Device
,	O
Quadra	B-Device
,	O
LC	B-Device
,	O
Power	B-Device
Macintosh	I-Device
and	O
PowerBook	B-Device
models	O
to	O
a	O
simplified	O
"	O
four	O
box	O
"	O
strategy	O
:	O
desktop	O
and	O
portable	O
computers	O
,	O
each	O
in	O
both	O
consumer	O
and	O
professional	O
models	O
.	O
</s>
<s>
Three	O
boxes	O
of	O
this	O
strategy	O
were	O
already	O
in	O
place	O
:	O
The	O
newly	O
introduced	O
iMac	B-Device
was	O
the	O
consumer	O
desktop	O
,	O
the	O
Blue	B-Device
and	I-Device
White	I-Device
G3	I-Device
filled	O
the	O
professional	O
desktop	O
box	O
,	O
and	O
the	O
PowerBook	B-Device
line	O
served	O
as	O
the	O
professional	O
portable	O
line	O
.	O
</s>
<s>
Like	O
the	O
iMac	B-Device
,	O
the	O
iBook	O
G3	O
had	O
a	O
PowerPC	B-Device
G3	I-Device
CPU	B-General_Concept
,	O
and	O
no	O
legacy	O
Apple	O
interfaces	O
.	O
</s>
<s>
USB	B-Protocol
,	O
Ethernet	O
,	O
modem	B-Application
ports	O
and	O
an	O
optical	O
drive	O
were	O
standard	O
.	O
</s>
<s>
The	O
iBook	O
G3	O
was	O
the	O
first	O
Mac	B-Device
to	O
use	O
Apple	O
's	O
new	O
"	O
Unified	O
Logic	O
Board	O
Architecture	O
"	O
,	O
which	O
condensed	O
all	O
of	O
the	O
machine	O
's	O
core	O
features	O
into	O
two	O
chips	O
,	O
and	O
added	O
AGP	B-Architecture
and	O
Ultra	O
DMA	O
support	O
.	O
</s>
<s>
The	O
iBook	O
was	O
the	O
first	O
mainstream	O
computer	O
designed	O
and	O
sold	O
with	O
integrated	O
wireless	B-General_Concept
networking	I-General_Concept
.	O
</s>
<s>
On	O
the	O
iBook	O
's	O
introduction	O
,	O
Phil	O
Schiller	O
,	O
Apple	O
's	O
VP	O
of	O
Marketing	O
,	O
held	O
an	O
iBook	O
while	O
jumping	O
off	O
a	O
height	O
as	O
data	O
from	O
the	O
computer	O
was	O
transferred	O
to	O
another	O
in	O
order	O
to	O
demonstrate	O
the	O
wireless	B-General_Concept
networking	I-General_Concept
capability	O
.	O
</s>
<s>
To	O
provide	O
sufficient	O
impact	O
protection	O
,	O
the	O
iBook	O
was	O
larger	O
and	O
heftier	O
than	O
the	O
PowerBook	B-Device
of	O
the	O
time	O
,	O
and	O
yet	O
had	O
lower	O
specifications	O
.	O
</s>
<s>
Standard	O
features	O
like	O
PC	B-Architecture
card	I-Architecture
slots	O
were	O
absent	O
,	O
and	O
so	O
were	O
speculated	O
features	O
such	O
as	O
touch	O
screens	O
and	O
an	O
ultra-long	O
battery	O
life	O
.	O
</s>
<s>
The	O
line	O
continually	O
received	O
processor	B-Architecture
,	O
memory	O
,	O
hard	O
disk	O
upgrades	O
and	O
new	O
colors	O
.	O
</s>
<s>
FireWire	B-Protocol
and	O
video	O
out	O
were	O
later	O
added	O
.	O
</s>
<s>
The	O
design	O
was	O
discontinued	O
in	O
May	O
2001	O
,	O
in	O
favor	O
of	O
the	O
new	O
"	O
Dual	O
USB	B-Protocol
"	O
iBooks	O
.	O
</s>
<s>
The	O
design	O
was	O
clearly	O
influenced	O
by	O
Apple	O
's	O
consumer	O
desktop	O
,	O
the	O
iMac	B-Device
.	O
</s>
<s>
In	O
fact	O
,	O
one	O
of	O
the	O
marketing	O
slogans	O
for	O
the	O
iBook	O
was	O
"	O
iMac	B-Device
to	O
go.	O
"	O
</s>
<s>
The	O
clamshell	O
design	O
also	O
echoed	O
the	O
eMate	B-Device
300	I-Device
.	O
</s>
<s>
However	O
,	O
unlike	O
the	O
iMac	B-Device
,	O
the	O
iBook	O
did	O
not	O
feature	O
pinstripes	O
.	O
</s>
<s>
Compared	O
to	O
follow-up	O
iBook	O
and	O
PowerBook	B-Device
notebook	B-Device
computers	I-Device
,	O
the	O
Clamshell	O
iBook	O
proved	O
to	O
be	O
the	O
more	O
reliable	O
model	O
.	O
</s>
<s>
Model	O
Original	O
SE	O
(	O
Special	O
Edition	O
)	O
FireWire	B-Protocol
FireWire	B-Protocol
SE	O
Timetable	O
Released	O
July	O
21	O
,	O
1999	O
February	O
16	O
,	O
2000	O
September	O
13	O
,	O
2000	O
Discontinued	O
February	O
16	O
,	O
2000	O
September	O
13	O
,	O
2000	O
May	O
1	O
,	O
2001	O
Color(s )	O
Blueberry	O
Tangerine	O
Graphite	O
Indigo	O
Key	O
Lime	O
(	O
)	O
Graphite	O
Key	O
Lime	O
(	O
)	O
Ordering	O
info	O
.	O
</s>
<s>
There	O
was	O
no	O
PCMCIA	B-Architecture
port	I-Architecture
for	O
additional	O
expansion	O
capabilities	O
.	O
</s>
<s>
This	O
is	O
only	O
possible	O
with	O
the	O
"	O
FireWire	B-Protocol
"	O
and	O
"	O
FireWire	B-Protocol
SE	O
"	O
models	O
,	O
as	O
they	O
have	O
8MB	O
of	O
video	O
RAM	O
;	O
the	O
older	O
ones	O
only	O
have	O
4MB	O
.	O
</s>
<s>
All	O
clamshell	O
iBooks	O
supported	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
10.0	I-Operating_System
through	O
10.3.9	B-Operating_System
.	O
</s>
<s>
Mac	B-Application
OS	I-Application
X	I-Application
Tiger	I-Application
(	O
v10.4	O
)	O
can	O
also	O
be	O
installed	O
.	O
</s>
<s>
Despite	O
that	O
,	O
it	O
added	O
an	O
extra	O
USB	B-Protocol
port	O
and	O
a	O
higher	O
resolution	O
screen	O
.	O
</s>
<s>
With	O
this	O
revision	O
,	O
Apple	O
began	O
transitioning	O
to	O
translucent	O
and	O
white	O
polycarbonate	O
casings	O
in	O
most	O
of	O
its	O
consumer	O
line	O
,	O
such	O
as	O
the	O
iMac	B-Device
and	O
the	O
eMac	B-Device
.	O
</s>
<s>
Apple	O
added	O
a	O
PowerPC	B-General_Concept
G4	I-General_Concept
chip	O
to	O
the	O
iBook	O
line	O
on	O
October	O
23	O
,	O
2003	O
,	O
finally	O
ending	O
Apple	O
's	O
use	O
of	O
the	O
PowerPC	B-Device
G3	I-Device
chip	O
.	O
</s>
<s>
The	O
iBook	B-Device
G4	I-Device
notebook	B-Device
also	O
features	O
an	O
opaque	O
white	O
case	O
finish	O
and	O
keyboard	O
and	O
a	O
plastic	O
display	O
hinge	O
.	O
</s>
<s>
This	O
is	O
also	O
the	O
last	O
iBook	O
laptop	B-Device
released	O
before	O
MacBooks	B-Operating_System
replaced	O
the	O
iBook	O
line	O
in	O
2006	O
.	O
</s>
<s>
The	O
"	O
sponginess	O
"	O
was	O
corrected	O
in	O
the	O
PowerPC	B-General_Concept
G4	I-General_Concept
models	O
.	O
</s>
<s>
The	O
memory	O
in	O
the	O
iBook	B-Device
G4	I-Device
is	O
covered	O
by	O
a	O
removable	O
Airport	O
card	O
,	O
and	O
accessible	O
by	O
removing	O
the	O
RAM	O
shield	O
with	O
a	O
Phillips	O
#00	O
screwdriver	O
.	O
</s>
<s>
Although	O
no	O
longer	O
officially	O
supported	O
by	O
macOS	B-Application
versions	O
beyond	O
those	O
given	O
in	O
the	O
chart	O
above	O
,	O
the	O
system	O
has	O
also	O
been	O
supported	O
via	O
MorphOS	B-Operating_System
(	O
an	O
Amiga	O
compatible	O
OS	O
)	O
since	O
version	O
3.2	O
.	O
</s>
