<s>
86Box	B-Language
is	O
an	O
IBM	O
PC	B-Application
emulator	I-Application
for	O
Windows	O
,	O
Linux	B-Application
and	O
Mac	O
based	O
on	O
PCem	B-Language
that	O
specializes	O
in	O
running	O
old	O
operating	O
systems	O
and	O
software	O
that	O
are	O
designed	O
for	O
IBM	O
PC	O
compatibles	O
.	O
</s>
<s>
Originally	O
forked	O
from	O
PCem	B-Language
,	O
it	O
later	O
added	O
support	O
for	O
other	O
IBM	O
PC	O
compatible	O
computers	O
as	O
well	O
.	O
</s>
<s>
The	O
main	O
goal	O
of	O
86Box	B-Language
is	O
to	O
emulate	O
various	O
IBM	O
PC	O
compatible	O
systems/motherboards	O
from	O
1981	O
until	O
1999	O
,	O
which	O
includes	O
almost	O
all	O
IBM	O
PC	O
models	O
(	O
including	O
the	O
IBM	O
PS/1	O
model	O
2121	O
and	O
the	O
IBM	O
PS/2	O
model	O
2011	O
)	O
and	O
supports	O
IBM	O
PC	O
compatible	O
systems/motherboards	O
.	O
</s>
<s>
86Box	B-Language
is	O
capable	O
of	O
emulating	B-Application
Intel	O
processors	O
(	O
and	O
its	O
respective	O
clones	O
,	O
including	O
AMD	O
,	O
IDT	O
and	O
Cyrix	O
)	O
from	O
Intel	B-Device
8088	I-Device
through	O
the	O
Pentium	O
Tillamook	O
MMX/Mobile	O
MMX	O
processors	O
and	O
Pentium	O
Pro/Pentium	O
II	O
processors	O
from	O
1997	O
until	O
1999	O
.	O
</s>
<s>
A	O
recompiler	O
is	O
being	O
mandatory	O
for	O
P5	O
Pentium	O
and	O
Cyrix	O
processors	O
and	O
optional	O
for	O
i486	O
processors	O
and	O
IDT	B-Device
WinChip	I-Device
processors	O
.	O
</s>
<s>
A	O
rather	O
fast	O
processor	O
is	O
needed	O
for	O
full	O
emulation	B-Application
speed	O
(	O
such	O
as	O
an	O
Intel	O
Core	O
i5	O
at	O
4	O
GHz	O
)	O
.	O
</s>
<s>
86Box	B-Language
can	O
emulate	O
different	O
graphic	O
modes	O
,	O
this	O
includes	O
text	B-Application
mode	I-Application
,	O
Hercules	B-Device
,	O
CGA	B-Device
(	O
including	O
some	O
composite	O
modes	O
and	O
the	O
160	O
×	O
100	O
×	O
16	O
tweaked	O
modes	O
)	O
,	O
Tandy	O
,	O
EGA	B-Device
,	O
VGA	B-Protocol
(	O
including	O
Mode	O
X	O
and	O
other	O
tweaks	O
)	O
,	O
VESA	B-Device
,	O
as	O
well	O
as	O
various	O
video	O
APIs	O
such	O
as	O
DirectX	O
and	O
3Dfx	O
's	O
Glide	O
.	O
</s>
<s>
86Box	B-Language
can	O
also	O
emulate	O
various	O
video	O
cards	O
such	O
as	O
the	O
ATI	O
Mach64	O
GX	O
and	O
the	O
S3	O
Trio32/64/Virge	O
series	O
.	O
</s>
<s>
Voodoo	O
cards	O
are	O
also	O
emulated	B-Application
and	O
added	O
support	O
for	O
Voodoo	O
1/2/3	O
and	O
various	O
optimizations	O
.	O
</s>
<s>
A	O
separate	O
recompiler	O
has	O
been	O
added	O
for	O
Voodoo	O
emulation	B-Application
,	O
making	O
it	O
faster	O
to	O
emulate	O
the	O
Voodoo	O
graphics	O
card	O
.	O
</s>
<s>
86Box	B-Language
also	O
emulates	B-Application
some	O
sound	O
cards	O
,	O
such	O
as	O
the	O
AdLib	O
,	O
Sound	B-Application
Blaster	I-Application
(	O
including	O
the	O
Game	B-Application
Blaster	I-Application
)	O
,	O
Sound	B-Application
Blaster	I-Application
Pro	I-Application
,	O
Sound	B-Device
Blaster	I-Device
16	I-Device
,	O
Sound	B-Device
Blaster	I-Device
AWE32	I-Device
,	O
Gravis	B-Application
UltraSound	I-Application
,	O
Innovation	O
SSI-2001	O
,	O
Aztech	O
Sound	O
Galaxy	O
Pro	O
16	O
,	O
Windows	O
Sound	O
System	O
,	O
Ensoniq	B-Device
AudioPCI	I-Device
64V/ES1371	O
,	O
and	O
Sound	B-Device
Blaster	I-Device
PCI	I-Device
128	I-Device
.	O
</s>
<s>
Similar	O
to	O
Virtual	B-Application
PC	I-Application
,	O
Bochs	B-Language
and	O
QEMU	B-Application
,	O
it	O
emulates	B-Application
almost	O
all	O
versions	O
of	O
Microsoft	B-Application
Windows	I-Application
until	O
Windows	B-Application
Vista	I-Application
(	O
including	O
Service	O
Pack	O
2	O
)	O
;	O
MS-DOS	B-Application
,	O
FreeDOS	B-Application
and	O
CP/M	B-Operating_System
-86	I-Operating_System
are	O
also	O
supported	O
.	O
</s>
<s>
Earlier	O
versions	O
of	O
OS/2	B-Application
requires	O
the	O
hard	O
drive	O
to	O
be	O
formatted	O
prior	O
to	O
installation	O
,	O
while	O
OS/2	B-Application
Warp	B-Application
3	I-Application
until	O
Warp	O
4.5	O
requires	O
an	O
unaccelerated	O
video	O
card	O
to	O
run	O
.	O
</s>
<s>
Other	O
operating	O
systems	O
are	O
also	O
supported	O
on	O
86Box	B-Language
,	O
such	O
as	O
versions	O
of	O
Linux	B-Application
that	O
supports	O
the	O
Pentium	O
processor	O
,	O
BSD	B-Operating_System
derivatives	I-Operating_System
(	O
e.g.	O
</s>
<s>
FreeBSD	B-Operating_System
)	O
,	O
and	O
BeOS	B-Device
5	I-Device
,	O
which	O
only	O
works	O
on	O
the	O
Award	O
SiS	O
497	O
motherboard	O
.	O
</s>
<s>
Initially	O
exclusive	O
to	O
Windows	O
,	O
it	O
was	O
ported	O
to	O
Linux	B-Application
in	O
version	O
3.2	O
and	O
macOS	B-Application
in	O
version	O
3.4	O
.	O
</s>
<s>
For	O
easier	O
handling	O
of	O
multiple	O
virtual	B-Architecture
machines	I-Architecture
at	O
the	O
same	O
time	O
and	O
the	O
change	O
of	O
its	O
parameters	O
,	O
it	O
is	O
recommended	O
to	O
use	O
86Box	B-Language
with	O
a	O
GUI	O
manager	O
application	O
.	O
</s>
<s>
Some	O
of	O
them	O
are	O
86Box	B-Language
Manager	O
,	O
86Box	B-Language
Manager	O
Lite	O
and	O
WinBox	O
for	O
86Box	B-Language
,	O
all	O
available	O
as	O
free	O
software	O
too	O
.	O
</s>
