<s>
The	O
IBM	B-Device
Music	I-Device
Feature	I-Device
Card	I-Device
(	O
simply	O
referred	O
to	O
as	O
the	O
IBM	B-Operating_System
PC	I-Operating_System
'	O
Music	O
Feature	O
 '	O
by	O
IBM	O
)	O
and	O
sometimes	O
abbreviated	O
as	O
the	O
IBM	O
MFC	O
,	O
or	O
just	O
IMFC	O
:	O
is	O
a	O
professional-level	O
sound	B-Device
card	I-Device
for	O
the	O
PC	B-Operating_System
,	O
and	O
used	O
the	O
8-bit	O
ISA	B-Architecture
bus	I-Architecture
.	O
</s>
<s>
In	O
the	O
late	O
80	O
's	O
,	O
sound	O
was	O
becoming	O
the	O
norm	O
in	O
computer	O
games	O
and	O
as	O
such	O
,	O
video	O
game	O
companies	O
started	O
supporting	O
sound	B-Device
cards	I-Device
in	O
their	O
products	O
.	O
</s>
<s>
In	O
the	O
case	O
of	O
the	O
IBM	B-Device
Music	I-Device
Feature	I-Device
Card	I-Device
,	O
Sierra	O
and	O
MicroProse	O
were	O
the	O
main	O
companies	O
who	O
showed	O
support	O
.	O
</s>
<s>
The	O
IBM	B-Device
Music	I-Device
Feature	I-Device
Card	I-Device
failed	O
to	O
gain	O
much	O
traction	O
,	O
mainly	O
because	O
of	O
its	O
high	O
retail	O
price	O
,	O
and	O
aggressive	O
,	O
superior	O
competition	O
by	O
Roland	O
with	O
the	O
internal	O
LAPC-I	O
(	O
and	O
MT-32	O
external	O
sound	O
module	O
equivalent	O
)	O
.	O
</s>
<s>
Some	O
games	O
fully	O
support	O
the	O
IMFC	O
,	O
including	O
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
:	I-Device
The	I-Device
Perils	I-Device
of	I-Device
Rosella	I-Device
,	O
Leisure	B-Application
Suit	I-Application
Larry	I-Application
Goes	I-Application
Looking	I-Application
for	I-Application
Love	I-Application
(	O
in	O
Several	O
Wrong	O
Places	O
)	O
,	O
Leisure	B-Application
Suit	I-Application
Larry	I-Application
III	I-Application
:	I-Application
Passionate	I-Application
Patti	I-Application
in	I-Application
Pursuit	I-Application
of	I-Application
the	I-Application
Pulsating	I-Application
Pectorals	I-Application
,	O
Space	B-Application
Quest	I-Application
III	I-Application
:	I-Application
The	I-Application
Pirates	I-Application
of	I-Application
Pestulon	I-Application
and	O
Silpheed	B-Device
.	O
</s>
