<s>
In	O
computing	O
,	O
PC	B-Architecture
Card	I-Architecture
is	O
a	O
configuration	O
for	O
computer	O
parallel	O
communication	O
peripheral	O
interface	O
,	O
designed	O
for	O
laptop	B-Device
computers	I-Device
.	O
</s>
<s>
Originally	O
introduced	O
as	O
PCMCIA	B-Architecture
,	O
the	O
PC	B-Architecture
Card	I-Architecture
standard	O
as	O
well	O
as	O
its	O
successors	O
like	O
CardBus	O
were	O
defined	O
and	O
developed	O
by	O
the	O
Personal	B-Device
Computer	I-Device
Memory	I-Device
Card	I-Device
International	I-Device
Association	I-Device
(	O
PCMCIA	B-Architecture
)	O
.	O
</s>
<s>
Although	O
originally	O
designed	O
as	O
a	O
standard	O
for	O
memory-expansion	O
cards	O
for	O
computer	B-General_Concept
storage	I-General_Concept
,	O
the	O
existence	O
of	O
a	O
usable	O
general	O
standard	O
for	O
notebook	B-Device
peripherals	O
led	O
to	O
the	O
development	O
of	O
many	O
kinds	O
of	O
devices	O
including	O
network	B-Protocol
cards	I-Protocol
,	O
modems	B-Application
,	O
and	O
hard	B-Device
disks	I-Device
.	O
</s>
<s>
The	O
PCMCIA	B-Architecture
1.0	O
card	O
standard	O
was	O
published	O
by	O
the	O
Personal	B-Device
Computer	I-Device
Memory	I-Device
Card	I-Device
International	I-Device
Association	I-Device
in	O
November	O
1990	O
and	O
was	O
soon	O
adopted	O
by	O
more	O
than	O
eighty	O
vendors	O
.	O
</s>
<s>
It	O
corresponds	O
with	O
the	O
Japanese	O
JEIDA	B-Architecture
memory	I-Architecture
card	I-Architecture
4.0	O
standard	O
.	O
</s>
<s>
SanDisk	O
(	O
operating	O
at	O
the	O
time	O
as	O
"	O
SunDisk	O
"	O
)	O
launched	O
its	O
PCMCIA	B-Architecture
card	I-Architecture
in	O
October	O
1992	O
.	O
</s>
<s>
The	O
company	O
was	O
the	O
first	O
to	O
introduce	O
a	O
writeable	O
Flash	B-Device
RAM	I-Device
card	O
for	O
the	O
HP	B-Device
95LX	I-Device
(	O
the	O
first	O
MS-DOS	O
pocket	O
computer	O
)	O
.	O
</s>
<s>
These	O
cards	O
conformed	O
to	O
a	O
supplemental	O
PCMCIA-ATA	O
standard	O
that	O
allowed	O
them	O
to	O
appear	O
as	O
more	O
conventional	O
IDE	B-Protocol
hard	I-Protocol
drives	I-Protocol
to	O
the	O
95LX	B-Device
or	O
a	O
PC	O
.	O
</s>
<s>
This	O
had	O
the	O
advantage	O
of	O
raising	O
the	O
upper	O
limit	O
on	O
capacity	O
to	O
the	O
full	O
32MB	O
available	O
under	O
DOS	O
3.22	O
on	O
the	O
95LX	B-Device
.	O
</s>
<s>
It	O
soon	O
became	O
clear	O
that	O
the	O
PCMCIA	B-Architecture
card	I-Architecture
standard	O
needed	O
expansion	O
to	O
support	O
"	O
smart	O
"	O
I/O	B-Device
cards	I-Device
to	O
address	O
the	O
emerging	O
need	O
for	O
fax	O
,	O
modem	B-Application
,	O
LAN	O
,	O
harddisk	B-Device
and	O
floppy	O
disk	O
cards	O
.	O
</s>
<s>
It	O
also	O
needed	O
interrupt	O
facilities	O
and	O
hot	B-Device
plugging	I-Device
,	O
which	O
required	O
the	O
definition	O
of	O
new	O
BIOS	O
and	O
operating	O
system	O
interfaces	O
.	O
</s>
<s>
This	O
led	O
to	O
the	O
introduction	O
of	O
release	O
2.0	O
of	O
the	O
PCMCIA	B-Architecture
standard	O
and	O
JEIDA	O
4.1	O
in	O
September	O
1991	O
,	O
which	O
saw	O
corrections	O
and	O
expansion	O
with	O
Card	O
Services	O
(	O
CS	O
)	O
in	O
the	O
PCMCIA	B-Architecture
2.1	O
standard	O
in	O
November	O
1992	O
.	O
</s>
<s>
Many	O
notebooks	B-Device
in	O
the	O
1990s	O
had	O
two	O
adjacent	O
type-II	O
slots	O
,	O
which	O
allowed	O
installation	O
of	O
two	O
type-II	O
cards	O
or	O
one	O
,	O
double-thickness	O
,	O
type-III	O
card	O
.	O
</s>
<s>
The	O
cards	O
were	O
also	O
used	O
in	O
early	O
digital	O
SLR	O
cameras	O
,	O
such	O
as	O
the	O
Kodak	B-Device
DCS	I-Device
300	I-Device
series	I-Device
.	O
</s>
<s>
The	O
PC	B-Architecture
Card	I-Architecture
port	O
has	O
been	O
superseded	O
by	O
the	O
ExpressCard	B-Device
interface	I-Device
since	O
2003	O
,	O
though	O
some	O
manufacturers	O
such	O
as	O
Dell	O
continued	O
to	O
offer	O
them	O
into	O
2012	O
on	O
their	O
ruggedized	O
XFR	O
notebooks	B-Device
.	O
</s>
<s>
,	O
some	O
vehicles	O
from	O
Honda	O
equipped	O
with	O
a	O
navigation	O
system	O
still	O
included	O
a	O
PC	B-Architecture
Card	I-Architecture
reader	O
integrated	O
into	O
the	O
audio	O
system	O
.	O
</s>
<s>
Some	O
Japanese	O
brand	O
consumer	O
entertainment	O
devices	O
such	O
as	O
TV	O
sets	O
include	O
a	O
PC	B-Architecture
Card	I-Architecture
slot	O
for	O
playback	O
of	O
media	O
.	O
</s>
<s>
Type	O
I	O
:	O
16-bit	B-Device
.	O
</s>
<s>
Type	O
II	O
:	O
16-bit	B-Device
or	O
32-bit	O
.	O
</s>
<s>
Type	O
III	O
:	O
16-bit	B-Device
or	O
32-bit	O
.	O
</s>
<s>
PC	B-Architecture
Card	I-Architecture
was	O
superseded	O
by	O
ExpressCard	B-Device
in	O
2003	O
.	O
</s>
<s>
PCMCIA	B-Architecture
stands	O
for	O
Personal	B-Device
Computer	I-Device
Memory	I-Device
Card	I-Device
International	I-Device
Association	I-Device
,	O
the	O
group	O
of	O
companies	O
that	O
defined	O
the	O
standard	O
.	O
</s>
<s>
This	O
acronym	O
was	O
difficult	O
to	O
say	O
and	O
remember	O
,	O
and	O
was	O
sometimes	O
jokingly	O
referred	O
to	O
as	O
"	O
People	B-Device
Ca	I-Device
n't	I-Device
Memorize	I-Device
Computer	I-Device
Industry	I-Device
Acronyms	I-Device
"	O
.	O
</s>
<s>
To	O
recognize	O
increased	O
scope	O
beyond	O
memory	O
,	O
and	O
to	O
aid	O
in	O
marketing	O
,	O
the	O
association	O
acquired	O
the	O
rights	O
to	O
the	O
simpler	O
term	O
"	O
PC	B-Architecture
Card	I-Architecture
"	O
from	O
IBM	O
.	O
</s>
<s>
These	O
cards	O
were	O
used	O
for	O
wireless	B-Architecture
networks	I-Architecture
,	O
modems	B-Application
,	O
and	O
other	O
functions	O
in	O
notebook	B-Device
PCs	I-Device
.	O
</s>
<s>
All	O
PC	B-Architecture
Card	I-Architecture
devices	O
use	O
a	O
similar	O
sized	O
package	O
which	O
is	O
long	O
and	O
wide	O
,	O
the	O
same	O
size	O
as	O
a	O
credit	O
card	O
.	O
</s>
<s>
The	O
shape	O
is	O
also	O
used	O
by	O
the	O
Common	B-Device
Interface	I-Device
form	O
of	O
conditional-access	B-Device
modules	I-Device
for	O
DVB	B-Application
,	O
and	O
by	O
Panasonic	O
for	O
their	O
professional	O
"	O
P2	B-Device
"	O
video	O
acquisition	O
memory	B-Device
cards	I-Device
.	O
</s>
<s>
The	O
original	O
standard	O
was	O
built	O
around	O
an	O
'	O
enhanced	O
 '	O
16-bit	B-Device
ISA	B-Architecture
bus	I-Architecture
platform	O
.	O
</s>
<s>
A	O
newer	O
version	O
of	O
the	O
PCMCIA	B-Architecture
standard	O
is	O
CardBus	O
(	O
see	O
below	O
)	O
,	O
a	O
32-bit	O
version	O
of	O
the	O
original	O
standard	O
.	O
</s>
<s>
In	O
addition	O
to	O
supporting	O
a	O
wider	O
bus	O
of	O
32	O
bits	O
(	O
instead	O
of	O
the	O
original	O
16	O
)	O
,	O
CardBus	O
also	O
supports	O
bus	B-Architecture
mastering	I-Architecture
and	O
operation	O
speeds	O
up	O
to	O
33MHz	O
.	O
</s>
<s>
Cards	O
designed	O
to	O
the	O
original	O
specification	O
(	O
PCMCIA	B-Architecture
1.0	O
)	O
are	O
type	O
I	O
and	O
have	O
a	O
16-bit	B-Device
interface	O
.	O
</s>
<s>
Type-I	O
PC	B-Architecture
Card	I-Architecture
devices	O
are	O
typically	O
used	O
for	O
memory	O
devices	O
such	O
as	O
RAM	B-Architecture
,	O
flash	B-Device
memory	I-Device
,	O
OTP	O
(	O
One-Time	B-General_Concept
Programmable	I-General_Concept
)	O
,	O
and	O
SRAM	B-Architecture
cards	O
.	O
</s>
<s>
Type-II	O
and	O
above	O
PC	B-Architecture
Card	I-Architecture
devices	O
use	O
two	O
rows	O
of	O
34	O
sockets	O
,	O
and	O
have	O
a	O
16	O
-	O
or	O
32-bit	O
interface	O
.	O
</s>
<s>
For	O
example	O
,	O
many	O
modem	B-Application
,	O
network	O
,	O
and	O
TV	O
cards	O
accept	O
this	O
configuration	O
.	O
</s>
<s>
Due	O
to	O
their	O
thinness	O
,	O
most	O
Type	O
II	O
interface	O
cards	O
have	O
miniature	O
interface	O
connectors	O
on	O
the	O
card	O
connecting	O
to	O
a	O
dongle	B-Device
,	O
a	O
short	O
cable	O
that	O
adapts	O
from	O
the	O
card	O
's	O
miniature	O
connector	O
to	O
an	O
external	O
full-size	O
connector	O
.	O
</s>
<s>
Some	O
Type	O
II	O
cards	O
,	O
most	O
notably	O
network	O
interface	O
and	O
modem	B-Application
cards	O
,	O
have	O
a	O
retractable	O
jack	O
,	O
which	O
can	O
be	O
pushed	O
into	O
the	O
card	O
and	O
will	O
pop	O
out	O
when	O
needed	O
,	O
allowing	O
insertion	O
of	O
a	O
cable	O
from	O
above	O
.	O
</s>
<s>
Most	O
network	B-Protocol
cards	I-Protocol
have	O
their	O
jack	O
on	O
one	O
side	O
,	O
while	O
most	O
modems	B-Application
have	O
their	O
jack	O
on	O
the	O
other	O
side	O
,	O
allowing	O
the	O
use	O
of	O
both	O
at	O
the	O
same	O
time	O
as	O
they	O
do	O
not	O
interfere	O
with	O
each	O
other	O
.	O
</s>
<s>
In	O
the	O
mid-90s	O
,	O
PC	B-Architecture
Card	I-Architecture
Type	O
II	O
hard	B-Device
disk	I-Device
drive	I-Device
cards	O
became	O
available	O
;	O
previously	O
,	O
PC	B-Architecture
Card	I-Architecture
hard	B-Device
disk	I-Device
drives	I-Device
were	O
only	O
available	O
in	O
Type	O
III	O
.	O
</s>
<s>
Type-III	O
PC	B-Architecture
Card	I-Architecture
devices	O
are	O
16-bit	B-Device
or	O
32-bit	O
.	O
</s>
<s>
Examples	O
are	O
hard	B-Device
disk	I-Device
drive	I-Device
cards	O
,	O
and	O
interface	O
cards	O
with	O
full-size	O
connectors	O
that	O
do	O
not	O
require	O
dongles	B-Device
(	O
as	O
is	O
commonly	O
required	O
with	O
type	O
II	O
interface	O
cards	O
)	O
.	O
</s>
<s>
Type-IV	O
cards	O
,	O
introduced	O
by	O
Toshiba	O
,	O
were	O
not	O
officially	O
standardized	O
or	O
sanctioned	O
by	O
the	O
PCMCIA	B-Architecture
.	O
</s>
<s>
CompactFlash	B-Device
is	I-Device
a	O
smaller	O
dimensioned	O
50	O
pin	O
subset	O
of	O
the	O
68	O
pin	O
PC	B-Architecture
Card	I-Architecture
interface	O
.	O
</s>
<s>
It	O
requires	O
a	O
setting	O
for	O
the	O
interface	O
mode	O
of	O
either	O
"	O
memory	O
"	O
or	O
"	O
ATA	B-Protocol
storage	O
"	O
.	O
</s>
<s>
The	O
card	O
information	O
structure	O
(	O
CIS	O
)	O
is	O
metadata	O
stored	O
on	O
a	O
PC	B-Architecture
card	I-Architecture
that	O
contains	O
information	O
about	O
the	O
formatting	O
and	O
organization	O
of	O
the	O
data	O
on	O
the	O
card	O
.	O
</s>
<s>
CardBus	O
are	O
PCMCIA	B-Architecture
5.0	O
or	O
later	O
(	O
JEIDA	O
4.2	O
or	O
later	O
)	O
32-bit	O
PCMCIA	B-Architecture
devices	O
,	O
introduced	O
in	O
1995	O
and	O
present	O
in	O
laptops	B-Device
from	O
late	O
1997	O
onward	O
.	O
</s>
<s>
CardBus	O
is	O
effectively	O
a	O
32-bit	O
,	O
33MHz	O
PCI	B-Protocol
bus	I-Protocol
in	O
the	O
PC	B-Architecture
Card	I-Architecture
design	O
.	O
</s>
<s>
CardBus	O
supports	O
bus	B-Architecture
mastering	I-Architecture
,	O
which	O
allows	O
a	O
controller	O
on	O
the	O
bus	O
to	O
talk	O
to	O
other	O
devices	O
or	O
memory	O
without	O
going	O
through	O
the	O
CPU	B-General_Concept
.	O
</s>
<s>
Many	O
chipsets	O
,	O
such	O
as	O
those	O
that	O
support	O
Wi-Fi	O
,	O
are	O
available	O
for	O
both	O
PCI	B-Protocol
and	O
CardBus	O
.	O
</s>
<s>
The	O
notch	O
on	O
the	O
left	O
hand	O
front	O
of	O
the	O
device	O
is	O
slightly	O
shallower	O
on	O
a	O
CardBus	O
device	O
so	O
,	O
by	O
design	O
,	O
a	O
32-bit	O
device	O
cannot	O
be	O
plugged	O
into	O
earlier	O
equipment	O
supporting	O
only	O
16-bit	B-Device
devices	O
.	O
</s>
<s>
Most	O
new	O
slots	O
accept	O
both	O
CardBus	O
and	O
the	O
original	O
16-bit	B-Device
PC	B-Architecture
Card	I-Architecture
devices	O
.	O
</s>
<s>
The	O
speed	O
of	O
CardBus	O
interfaces	O
in	O
32-bit	O
burst	B-Architecture
mode	I-Architecture
depends	O
on	O
the	O
transfer	O
type	O
:	O
in	O
byte	O
mode	O
,	O
transfer	O
is	O
33MB/s	O
;	O
in	O
word	O
mode	O
it	O
is	O
66MB/s	O
;	O
and	O
in	O
dword	O
(	O
double-word	O
)	O
mode	O
132MB/s	O
.	O
</s>
<s>
CardBay	O
is	O
a	O
variant	O
added	O
to	O
the	O
PCMCIA	B-Architecture
specification	O
introduced	O
in	O
2001	O
.	O
</s>
<s>
It	O
was	O
intended	O
to	O
add	O
some	O
forward	O
compatibility	O
with	O
USB	B-Protocol
and	O
IEEE	B-Protocol
1394	I-Protocol
,	O
but	O
was	O
not	O
universally	O
adopted	O
and	O
only	O
some	O
notebooks	B-Device
have	O
PC	B-Architecture
Card	I-Architecture
controllers	O
with	O
CardBay	O
features	O
.	O
</s>
<s>
This	O
is	O
an	O
implementation	O
of	O
Microsoft	O
and	O
Intel	O
's	O
joint	O
Drive	B-Device
Bay	I-Device
initiative	O
.	O
</s>
<s>
A	O
CableCARD	B-Application
conditional-access	B-Device
module	I-Device
is	O
a	O
type	O
II	O
PC	B-Architecture
Card	I-Architecture
intended	O
to	O
be	O
plugged	O
into	O
a	O
cable	O
set-top	O
box	O
or	O
digital	O
cable-ready	O
television	O
.	O
</s>
<s>
The	O
interface	O
has	O
spawned	O
a	O
generation	O
of	O
flash	B-Device
memory	I-Device
cards	I-Device
that	O
set	O
out	O
to	O
improve	O
on	O
the	O
size	O
and	O
features	O
of	O
Type	O
I	O
cards	O
:	O
CompactFlash	B-Device
,	O
MiniCard	B-Device
,	O
P2	B-Device
Card	I-Device
and	O
SmartMedia	B-Operating_System
.	O
</s>
<s>
For	O
example	O
,	O
the	O
PC	B-Architecture
Card	I-Architecture
electrical	O
specification	O
is	O
also	O
used	O
for	O
CompactFlash	B-Device
,	O
so	O
a	O
PC	B-Architecture
Card	I-Architecture
CompactFlash	B-Device
adapter	O
can	O
be	O
a	O
passive	O
physical	O
adapter	O
rather	O
than	O
requiring	O
additional	O
circuitry	O
.	O
</s>
<s>
ExpressCard	B-Device
is	O
a	O
later	O
specification	O
from	O
the	O
PCMCIA	B-Architecture
,	O
intended	O
as	O
a	O
replacement	O
for	O
PC	B-Architecture
Card	I-Architecture
,	O
built	O
around	O
the	O
PCI	B-Protocol
Express	O
and	O
USB	B-Protocol
2.0	O
standards	O
.	O
</s>
<s>
The	O
PC	B-Architecture
Card	I-Architecture
standard	O
is	O
closed	O
to	O
further	O
development	O
and	O
PCMCIA	B-Architecture
strongly	O
encourages	O
future	O
product	O
designs	O
to	O
utilize	O
the	O
ExpressCard	B-Device
interface	I-Device
.	O
</s>
<s>
From	O
about	O
2006	O
,	O
ExpressCard	B-Device
slots	O
replaced	O
PCMCIA	B-Architecture
slots	O
in	O
laptop	B-Device
computers	I-Device
,	O
with	O
a	O
few	O
laptops	B-Device
having	O
both	O
in	O
the	O
transition	O
period	O
.	O
</s>
<s>
Much	O
expansion	O
that	O
formerly	O
required	O
a	O
PCMCIA	B-Architecture
card	I-Architecture
is	O
now	O
catered	O
for	O
by	O
USB	B-Protocol
,	O
reducing	O
the	O
requirement	O
for	O
internal	O
expansion	B-Device
slots	I-Device
;	O
by	O
2011	O
,	O
many	O
laptops	B-Device
had	O
none	O
.	O
</s>
<s>
ExpressCard	B-Device
and	O
CardBus	O
sockets	O
are	O
physically	O
and	O
electrically	O
incompatible	O
.	O
</s>
<s>
ExpressCard-to-CardBus	O
and	O
Cardbus-to-ExpressCard	O
adapters	O
are	O
available	O
that	O
connect	O
a	O
Cardbus	O
card	O
to	O
an	O
Expresscard	B-Device
slot	O
,	O
or	O
vice	O
versa	O
,	O
and	O
carry	O
out	O
the	O
required	O
electrical	O
interfacing	O
.	O
</s>
<s>
These	O
adapters	O
do	O
not	O
handle	O
older	O
non-Cardbus	O
PCMCIA	B-Architecture
cards	I-Architecture
.	O
</s>
<s>
Adapters	O
for	O
PC	B-Architecture
Cards	I-Architecture
to	O
Personal	O
Computer	O
ISA	B-Architecture
slots	I-Architecture
were	O
available	O
when	O
these	O
technologies	O
were	O
current	O
.	O
</s>
<s>
Cardbus	O
adapters	O
for	O
PCI	B-Protocol
slots	I-Protocol
have	O
been	O
made	O
.	O
</s>
<s>
These	O
adapters	O
were	O
sometimes	O
used	O
to	O
fit	O
Wireless	O
(	O
802.11	O
)	O
PCMCIA	B-Architecture
cards	I-Architecture
into	O
desktop	O
computers	O
with	O
PCI	B-Protocol
slots	I-Protocol
.	O
</s>
<s>
Some	O
IBM	O
ThinkPad	O
laptops	B-Device
took	O
their	O
onboard	O
RAM	B-Architecture
(	O
in	O
sizes	O
ranging	O
from	O
4	O
to	O
16MB	O
)	O
in	O
the	O
factor	O
of	O
an	O
IC-DRAM	O
Card	O
.	O
</s>
<s>
While	O
very	O
similar	O
in	O
form-factor	O
,	O
these	O
cards	O
did	O
not	O
go	O
into	O
a	O
standard	O
PC	B-Architecture
Card	I-Architecture
Slot	O
,	O
often	O
being	O
installed	O
under	O
the	O
keyboard	O
,	O
for	O
example	O
.	O
</s>
<s>
They	O
also	O
were	O
not	O
pin-compatible	O
,	O
as	O
they	O
had	O
88	O
pins	O
but	O
in	O
two	O
staggered	O
rows	O
,	O
as	O
opposed	O
to	O
even	O
rows	O
like	O
PC	B-Architecture
Cards	I-Architecture
.	O
</s>
<s>
The	O
EOMA68	O
open-source	O
hardware	O
standard	O
uses	O
the	O
same	O
68-pin	O
PC	B-Architecture
Card	I-Architecture
connectors	O
and	O
corresponds	O
to	O
the	O
PC	B-Architecture
Card	I-Architecture
form	O
factor	O
in	O
many	O
other	O
ways	O
.	O
</s>
<s>
After	O
the	O
release	O
of	O
PCIe-based	O
ExpressCard	B-Device
in	O
2003	O
,	O
laptop	B-Device
manufacturers	O
started	O
to	O
fit	O
ExpressCard	B-Device
slots	O
to	O
new	O
laptops	B-Device
instead	O
of	O
PC	B-Architecture
Card	I-Architecture
slots	O
.	O
</s>
<s>
PC	B-Architecture
Card	I-Architecture
devices	O
can	O
be	O
plugged	O
into	O
an	O
ExpressCard	B-Device
adaptor	O
,	O
which	O
provides	O
a	O
PCI-to-PCIe	O
Bridge	O
.	O
</s>
<s>
Despite	O
being	O
much	O
faster	O
in	O
speed/bandwidth	O
,	O
ExpressCard	B-Device
was	O
not	O
as	O
popular	O
as	O
PC	B-Architecture
Card	I-Architecture
,	O
due	O
in	O
part	O
to	O
the	O
ubiquity	O
of	O
USB	B-Protocol
ports	O
on	O
modern	O
computers	O
.	O
</s>
<s>
Most	O
functionality	O
provided	O
by	O
PC	B-Architecture
Card	I-Architecture
or	O
ExpressCard	B-Device
devices	O
is	O
now	O
available	O
as	O
an	O
external	O
USB	B-Protocol
device	O
.	O
</s>
<s>
These	O
USB	B-Protocol
devices	O
have	O
the	O
advantage	O
of	O
being	O
compatible	O
with	O
desktop	O
computers	O
as	O
well	O
as	O
portable	O
devices	O
.	O
</s>
<s>
(	O
Desktop	O
computers	O
were	O
rarely	O
fitted	O
with	O
a	O
PC	B-Architecture
Card	I-Architecture
or	O
ExpressCard	B-Device
slot	O
.	O
)	O
</s>
<s>
Today	O
,	O
the	O
PC	B-Architecture
Card	I-Architecture
slot	O
may	O
be	O
found	O
as	O
a	O
Common	B-Device
Interface	I-Device
for	O
decoding	O
TV	O
channels	O
in	O
TVs	O
.	O
</s>
