<s>
The	O
Macintosh	B-Device
TV	I-Device
is	O
a	O
personal	O
computer	O
with	O
integrated	O
television	O
capabilities	O
released	O
by	O
Apple	O
Computer	O
in	O
1993	O
.	O
</s>
<s>
It	O
shares	O
the	O
external	O
appearance	O
of	O
the	O
Macintosh	B-Device
LC	I-Device
500	I-Device
series	I-Device
,	O
but	O
in	O
black	O
.	O
</s>
<s>
The	O
Macintosh	B-Device
TV	I-Device
is	O
essentially	O
a	O
Performa	B-Device
520	I-Device
that	O
can	O
switch	O
its	O
built-in	O
14	O
"	O
Sony	O
Trinitron	O
CRT	O
from	O
being	O
a	O
computer	O
display	O
to	O
a	O
cable-ready	O
television	O
.	O
</s>
<s>
It	O
is	O
incapable	O
of	O
showing	O
television	O
in	O
a	O
desktop	O
window	O
,	O
although	O
it	O
can	O
capture	O
still	O
frames	O
to	O
PICT	B-Language
files	O
.	O
</s>
<s>
Later	O
Apple	O
would	O
issue	O
a	O
custom	O
black	O
Performa	B-Device
5420	I-Device
in	O
markets	O
outside	O
the	O
United	O
States	O
with	O
many	O
of	O
the	O
features	O
of	O
the	O
Mac	B-Device
TV	I-Device
.	O
</s>
<s>
Apple	O
's	O
similar	O
TV	B-Device
tuner	I-Device
card	I-Device
was	O
a	O
popular	O
option	O
for	O
later	O
LC	O
,	O
Performa	O
series	O
,	O
and	O
select	O
models	O
of	O
Power	B-Device
Macintosh	I-Device
G3	I-Device
beige	I-Device
computers	O
.	O
</s>
<s>
Although	O
there	O
was	O
no	O
official	O
upgrade	O
path	O
provided	O
by	O
Apple	O
,	O
the	O
Macintosh	B-Device
TV	I-Device
chassis	O
is	O
essentially	O
that	O
of	O
the	O
LC	O
520	O
,	O
and	O
as	O
such	O
supports	O
the	O
same	O
motherboard	O
upgrades	O
.	O
</s>
<s>
Although	O
the	O
built-in	O
tuner	O
capabilities	O
are	O
lost	O
,	O
installing	O
an	O
LC	O
575	O
motherboard	O
is	O
a	O
common	O
method	O
to	O
step	O
up	O
to	O
the	O
significantly	O
faster	O
68040	B-Device
processor	O
.	O
</s>
