<s>
The	O
PowerBook	B-Device
500	I-Device
series	I-Device
(	O
codenamed	O
Blackbird	O
,	O
which	O
it	O
shared	O
with	O
the	O
older	O
Macintosh	B-Device
IIfx	I-Device
)	O
is	O
a	O
range	O
of	O
Apple	B-Device
Macintosh	I-Device
PowerBook	B-Device
portable	B-Device
computers	I-Device
first	O
introduced	O
by	O
Apple	O
Computer	O
with	O
the	O
540c	O
model	O
on	O
May	O
16	O
,	O
1994	O
.	O
</s>
<s>
It	O
was	O
the	O
first	O
PowerBook	B-Device
series	O
to	O
use	O
a	O
Motorola	O
68LC040	O
CPU	O
(	O
simultaneous	O
with	O
Duo	B-Device
280	I-Device
)	O
and	O
be	O
upgradeable	O
to	O
the	O
PowerPC	B-Architecture
architecture	O
via	O
a	O
swap-out	O
CPU	O
daughter	O
card	O
(	O
with	O
the	O
PowerPC	B-Architecture
and	O
68040	B-Device
upgrades	O
for	O
sale	O
)	O
,	O
use	O
9.5-inch	O
Dual	O
Scan	O
passive	O
color/B	O
&W	O
displays	O
,	O
16-bit	O
stereo	O
sound	O
with	O
stereo	O
speakers	O
,	O
have	O
an	O
expansion	O
bay	O
,	O
PC	B-Architecture
Card	I-Architecture
capability	O
,	O
two	O
battery	O
bays	O
(	O
and	O
a	O
ten-minute	O
sleep/clock	O
battery	O
,	O
which	O
allowed	O
for	O
main	O
batteries	O
to	O
be	O
swapped	O
out	O
while	O
in	O
sleep	O
mode	O
)	O
,	O
full-size	O
keyboard	O
with	O
F1	O
–	O
F12	O
function	B-Application
keys	I-Application
,	O
be	O
able	O
to	O
sleep	O
while	O
connected	O
to	O
an	O
external	O
monitor	O
and	O
have	O
a	O
battery	O
contact	O
cover	O
included	O
on	O
the	O
actual	O
batteries	O
.	O
</s>
<s>
It	O
included	O
a	O
single	O
serial	O
port	O
which	O
could	O
be	O
to	O
connect	O
to	O
a	O
serial	O
printer	O
or	O
a	O
network	O
via	O
Apple	O
's	O
LocalTalk	B-Device
.	O
</s>
<s>
In	O
another	O
first	O
,	O
it	O
also	O
included	O
an	O
AAUI	B-Protocol
port	O
for	O
connecting	O
to	O
Ethernet	O
networks	O
.	O
</s>
<s>
The	O
500	O
series	O
was	O
discontinued	O
completely	O
with	O
the	O
introduction	O
of	O
the	O
ill-fated	O
PowerBook	B-Device
5300	I-Device
.	O
</s>
<s>
The	O
PowerBook	B-Device
190	I-Device
was	O
the	O
de	O
facto	O
successor	O
to	O
the	O
500	O
and	O
continued	O
the	O
only	O
68LC040	O
processor	O
offering	O
as	O
the	O
low	O
end	O
of	O
the	O
PowerPC-based	O
PowerBook	B-Device
family	O
.	O
</s>
<s>
In	O
a	O
survey	O
taken	O
in	O
November	O
2000	O
,	O
Insanely	O
Great	O
Macintosh	B-Device
ranked	O
the	O
540c	O
No	O
.	O
</s>
<s>
2	O
on	O
its	O
list	O
of	O
the	O
all-time	O
best	O
PowerBook	B-Device
models	O
made	O
.	O
</s>
<s>
The	O
PowerBook	B-Device
500	I-Device
series	I-Device
was	O
introduced	O
on	O
May	O
16	O
,	O
1994	O
,	O
with	O
the	O
high-end	O
active	O
matrix	O
LCD	O
PowerBook	B-Device
540c	I-Device
and	O
540	O
,	O
with	O
the	O
passive	O
matrix	O
520c	O
and	O
520	O
soon	O
after	O
.	O
</s>
<s>
One	O
of	O
its	O
marketing	O
highlights	O
was	O
the	O
promise	O
of	O
a	O
PowerPC	B-Architecture
upgrade	O
to	O
its	O
CPU	O
and	O
PC	B-Architecture
Card	I-Architecture
(	O
PCMCIA	B-Architecture
)	O
expansion	O
.	O
</s>
<s>
The	O
introduction	O
of	O
this	O
model	O
came	O
at	O
the	O
time	O
of	O
Apple	O
's	O
changeover	O
to	O
the	O
new	O
PowerPC	B-Architecture
chip	I-Architecture
from	O
the	O
68k	O
line	O
of	O
CPUs	O
,	O
and	O
Apple	O
's	O
advertising	O
and	O
promise	O
of	O
the	O
PowerPC	B-Architecture
was	O
the	O
cause	O
of	O
headaches	O
to	O
the	O
company	O
.	O
</s>
<s>
The	O
strong	O
demand	O
for	O
its	O
ground-breaking	O
design	O
and	O
Apple	O
's	O
incorrect	O
market	O
prediction	O
that	O
customers	O
would	O
wait	O
for	O
the	O
fully	O
PowerPC	B-Architecture
PowerBooks	B-Device
resulted	O
in	O
shortages	O
early	O
on	O
.	O
</s>
<s>
The	O
PC	B-Architecture
Card	I-Architecture
Cage	O
was	O
also	O
released	O
,	O
allowing	O
Macintosh	B-Device
users	O
to	O
add	O
PCMCIA	B-Architecture
capability	O
to	O
their	O
laptops	O
for	O
the	O
first	O
time	O
.	O
</s>
<s>
In	O
1995	O
Apple	O
Japan	O
introduced	O
an	O
updated	O
version	O
,	O
called	O
the	O
550c	O
,	O
with	O
a	O
bigger	O
display	O
(	O
10.4	O
inches	O
)	O
,	O
CPU	O
with	O
FPU	O
(	O
68040	B-Device
)	O
,	O
bigger	O
hard	O
drive	O
,	O
and	O
Japanese	O
keyboard	O
with	O
black	O
case	O
.	O
</s>
<s>
With	O
delays	O
for	O
the	O
new	O
PowerPC	B-Architecture
PowerBook	B-Device
5300	I-Device
,	O
demand	O
for	O
the	O
PPC	O
upgrade	O
mounted	O
,	O
and	O
Newer	B-Device
Technology	I-Device
began	O
to	O
market	O
the	O
upgrade	O
before	O
Apple	O
did	O
,	O
although	O
they	O
had	O
produced	O
the	O
upgrade	O
modules	O
for	O
Apple	O
first	O
.	O
</s>
<s>
Soon	O
thereafter	O
,	O
Newer	B-Device
Technology	I-Device
introduced	O
a	O
167MHz	O
model	O
that	O
outperformed	O
the	O
fastest	O
PowerBook	B-Device
5300	I-Device
,	O
the	O
$	O
6,800	O
5300ce	O
,	O
at	O
a	O
time	O
when	O
problems	O
with	O
that	O
line	O
became	O
a	O
real	O
issue	O
to	O
Apple	O
.	O
</s>
<s>
About	O
the	O
time	O
Apple	O
introduced	O
the	O
PowerBook	B-Device
1400	I-Device
,	O
Newer	B-Device
Technology	I-Device
introduced	O
a	O
183MHz	O
upgrade	O
with	O
128	O
KB	O
of	O
L2	O
cache	O
that	O
kept	O
it	O
ahead	O
of	O
the	O
power	O
curve	O
in	O
performance	O
.	O
</s>
<s>
Newer	B-Device
Technology	I-Device
stated	O
they	O
could	O
not	O
produce	O
more	O
of	O
the	O
183MHz	O
upgrades	O
because	O
the	O
supply	O
of	O
connectors	O
was	O
exhausted	O
.	O
</s>
<s>
Ethernet	O
via	O
AAUI	B-Protocol
(	O
a	O
transceiver	O
was	O
used	O
to	O
connect	O
to	O
either	O
UTP	O
or	O
coaxial	O
type	O
wiring	O
)	O
;	O
</s>
<s>
Non-specialized	O
internal	O
expansion	O
bay	O
for	O
connecting	O
many	O
types	O
of	O
devices	O
(	O
PDS	B-Device
connector	O
in	O
left	O
battery	O
bay	O
)	O
;	O
</s>
<s>
And	O
among	O
Apple	O
's	O
PowerBook	B-Device
line	O
the	O
first	O
to	O
have	O
:	O
</s>
<s>
68LC040	O
(	O
with	O
Duo	B-Device
280	I-Device
)	O
,	O
or	O
68040	B-Device
(	O
in	O
Japanese	O
model	O
)	O
CPU	O
standard	O
;	O
</s>
<s>
PowerPC	B-Architecture
603e	O
CPU	O
as	O
an	O
upgrade	O
;	O
</s>
<s>
CPU	O
on	O
daughtercard	O
(	O
first	O
in	O
any	O
Mac	B-Device
,	O
facilitating	O
PowerPC	B-Architecture
and	O
68040	B-Device
upgrades	O
)	O
;	O
</s>
<s>
Expansion	O
bay	O
(	O
PDS	B-Device
connector	O
in	O
left	O
battery	O
bay	O
)	O
;	O
</s>
<s>
PC	B-Architecture
Card	I-Architecture
capability	O
(	O
PCMCIA	B-Architecture
)	O
via	O
module	O
;	O
</s>
<s>
Full-size	O
keyboard	O
with	O
function	B-Application
keys	I-Application
(	O
F1	O
–	O
F12	O
)	O
;	O
</s>
<s>
The	O
550c	O
differed	O
from	O
the	O
four	O
two-tone	O
grey	O
models	O
in	O
a	O
few	O
other	O
key	O
respects	O
as	O
well	O
,	O
including	O
a	O
larger	O
active-matrix	O
color	O
screen	O
,	O
a	O
combined	O
Latin/Kana	O
keyboard	O
,	O
and	O
a	O
full	O
68040	B-Device
processor	O
.	O
</s>
<s>
The	O
other	O
models	O
were	O
all	O
charcoal	O
grey	O
with	O
darker	O
grey	O
trim	O
,	O
came	O
with	O
a	O
variety	O
of	O
displays	O
(	O
active/passive	O
matrix	O
;	O
color	O
or	O
greyscale	O
)	O
,	O
and	O
used	O
the	O
68LC040	O
processor	O
(	O
a	O
low-cost	O
variant	O
without	O
a	O
math	B-General_Concept
co-processor	I-General_Concept
)	O
.	O
</s>
<s>
The	O
full-sized	O
keyboard	O
with	O
12	O
function	B-Application
keys	I-Application
,	O
and	O
640×480	O
resolution	O
display	O
was	O
consistent	O
across	O
the	O
family	O
.	O
</s>
<s>
The	O
modem	O
was	O
developed	O
with	O
Global	B-Device
Village	I-Device
,	O
and	O
is	O
a	O
unique	O
two-part	O
design	O
.	O
</s>
<s>
The	O
500	O
series	O
of	O
PowerBooks	B-Device
included	O
the	O
ability	O
to	O
use	O
two	O
batteries	O
at	O
the	O
same	O
time	O
,	O
allowing	O
for	O
4	O
hours	O
of	O
battery	O
life	O
from	O
two	O
installed	O
charged	O
batteries	O
.	O
</s>
<s>
However	O
the	O
left	O
battery	O
also	O
had	O
an	O
internal	O
PDS	B-Device
slot	I-Device
that	O
allowed	O
for	O
custom	O
modules	O
to	O
be	O
installed	O
.	O
</s>
<s>
One	O
is	O
the	O
PCMCIA	B-Architecture
module	O
.	O
</s>
<s>
The	O
RevC	O
is	O
the	O
most	O
useful	O
as	O
it	O
can	O
take	O
16bit	O
WiFi	O
cards	O
,	O
allowing	O
the	O
possibility	O
to	O
get	O
a	O
Powerbook	B-Device
5xx	O
connected	O
online	O
or	O
in	O
the	O
home	O
network	O
using	O
a	O
technology	O
that	O
was	O
developed	O
after	O
the	O
Powerbook	B-Device
5xxs	O
were	O
discontinued	O
by	O
Apple	O
.	O
</s>
<s>
The	O
different	O
revisions	O
of	O
the	O
PCMCIA	B-Architecture
module	O
were	O
released	O
by	O
Apple	O
to	O
accommodate	O
the	O
developing	O
PCMCIA	B-Architecture
standard	O
.	O
</s>
<s>
PC	B-Architecture
Card	I-Architecture
(	O
PCMCIA	B-Architecture
)	O
cage	O
,	O
16-bit	O
,	O
2	O
Type	O
I/II	O
or	O
1	O
Type	O
III	O
cards	O
,	O
using	O
a	O
68000	O
CPU	O
to	O
convert	O
the	O
PC	B-Architecture
Card	I-Architecture
protocol	O
to	O
PDS	B-Device
.	O
</s>
<s>
The	O
other	O
is	O
the	O
FPU	O
co-processor	B-General_Concept
,	O
to	O
make	O
up	O
for	O
the	O
lack	O
of	O
one	O
in	O
the	O
PowerBook	B-Device
's	O
68LC040	O
CPU	O
.	O
</s>
<s>
The	O
FPU	O
module	O
uses	O
a	O
68882	O
FPU	O
co-processor	B-General_Concept
made	O
by	O
Sonnet	O
.	O
</s>
<s>
In	O
total	O
,	O
almost	O
600,000	O
PowerBook	B-Device
500	I-Device
series	I-Device
units	O
were	O
produced	O
,	O
compared	O
to	O
300,000	O
PowerBook	B-Device
5300	I-Device
units	O
.	O
</s>
<s>
PowerBook	B-Device
520	I-Device
PowerBook	B-Device
520c	I-Device
PowerBook	B-Device
540	I-Device
PowerBook	B-Device
540c	I-Device
PowerBook	B-Device
550c	I-Device
Timeline	O
Introduced	O
May	O
16	O
,	O
1994	O
May	O
30	O
,	O
1995	O
Discontinued	O
June	O
10	O
,	O
1995	O
September	O
16	O
,	O
1995	O
October	O
17	O
,	O
1994	O
August	O
26	O
,	O
1995	O
April	O
1	O
,	O
1996	O
Model	O
Model	O
number	O
M4880	O
Gestalt	O
ID	O
72	O
Codename	O
"	O
BlackBird	O
LC	O
"	O
"	O
BlackBird	O
,	O
"	O
"	O
SR-71	O
,	O
"	O
"	O
Spruce	O
Goose	O
"	O
"	O
Banzai	O
"	O
Apple	O
part	O
(	O
Order/SKU	O
)	O
no	O
.	O
</s>
<s>
Resolution*	O
Frequency	O
Monitor	O
type	O
LCD	O
bit	O
depth	O
External	O
bit	O
depth	O
512×384	O
60	O
Hz	O
MultiSync	O
n/a	O
8-bit	O
(	O
256	O
color/gray	O
)	O
640×400	O
built-in	O
LCD	O
15-bit	O
(	O
32,768	O
color/gray	O
)	O
n/a	O
640×480	O
67	O
Hz	O
VGA	O
8-bit	O
(	O
256	O
color/gray	O
)	O
8-bit	O
(	O
256	O
color/gray	O
)	O
640×870	O
75	O
Hz	O
Macintosh	B-Device
Portrait	O
Display	O
n/a	O
8-bit	O
(	O
256	O
gray	O
)	O
800×600	O
56	O
Hz	O
SVGA	O
8-bit	O
(	O
256	O
color/gray	O
)	O
832×624	O
75	O
Hz	O
MultiSync	O
1024×768	O
60	O
Hz	O
XVGA/VESA	O
4-bit	O
(	O
16	O
gray	O
)	O
This	O
a	O
listing	O
of	O
all	O
the	O
resolutions	O
and	O
colors	O
supported	O
.	O
</s>
<s>
*	O
To	O
access	O
the	O
resolutions	O
in	O
the	O
PowerBook	B-Device
,	O
look	O
in	O
the	O
"	O
Monitors	O
and	O
Sound	O
"	O
control	O
panel	O
and	O
list	O
resolutions	O
,	O
or	O
for	O
older	O
"	O
Monitors	O
control	O
"	O
'	O
Option-click	O
Option	O
 '	O
for	O
listing	O
.	O
</s>
<s>
model	O
Sonnet	O
Apple	O
NUpowr	O
117	O
NUpowr	O
167	O
NUpowr	O
183	O
NUpowr	O
G3	O
Maker	O
Sonnet	O
Apple	O
Newer	B-Device
Technology	I-Device
Processor	O
68040	B-Device
PowerPC	B-Architecture
603e	O
PowerPC	B-Architecture
603ev	O
PowerPC	B-Architecture
740	O
CPU	O
speed	O
66/33	O
MHz	O
99	O
MHz	O
117	O
MHz	O
167	O
MHz	O
183	O
MHz	O
223	O
MHz	O
?	O
</s>
<s>
Newer	B-Device
Technology	I-Device
never	O
divulged	O
the	O
specifications	O
for	O
the	O
G3	O
upgrade	O
;	O
estimate	O
based	O
on	O
current	O
technology	O
.	O
</s>
<s>
With	O
the	O
built-in	O
Ethernet	O
(	O
via	O
a	O
versatile	O
AAUI	B-Protocol
transceiver	O
)	O
,	O
SCSI	B-Architecture
port	O
(	O
forerunner	O
of	O
today	O
’s	O
FireWire	B-Protocol
)	O
and	O
ADB	B-Device
(	O
similar	O
to	O
USB	B-Protocol
)	O
,	O
it	O
had	O
all	O
the	O
features	O
of	O
desktops	O
at	O
that	O
time	O
,	O
making	O
them	O
the	O
first	O
viable	O
desktop	B-Application
replacement	I-Application
laptops	O
.	O
</s>
<s>
Sandra	O
Bullock	O
prominently	O
uses	O
a	O
PowerBook	B-Device
540c	I-Device
(	O
and	O
also	O
a	O
PowerBook	B-Device
Duo	I-Device
280c	I-Device
)	O
in	O
the	O
movie	O
The	O
Net	O
(	O
1995	O
)	O
.	O
</s>
<s>
The	O
Powerbook	B-Device
540c	I-Device
is	O
used	O
by	O
both	O
Antonio	O
Banderas	O
and	O
Sylvester	O
Stallone	O
in	O
the	O
movie	O
Assassins	O
(	O
1995	O
film	O
)	O
.	O
</s>
