<s>
The	O
S3	B-Device
Trio	I-Device
range	O
were	O
popular	O
video	B-Device
cards	I-Device
for	O
personal	O
computers	O
and	O
were	O
S3	O
's	O
first	O
fully	O
integrated	O
graphics	O
accelerators	O
.	O
</s>
<s>
As	O
the	O
name	O
implies	O
,	O
three	O
previously	O
separate	O
components	O
were	O
now	O
included	O
in	O
the	O
same	O
ASIC	O
:	O
the	O
graphics	O
core	O
,	O
RAMDAC	B-Device
and	O
clock	O
generator	O
.	O
</s>
<s>
The	O
increased	O
integration	O
allowed	O
a	O
graphics	B-Device
card	I-Device
to	O
be	O
simpler	O
than	O
before	O
and	O
thus	O
cheaper	O
to	O
produce	O
.	O
</s>
<s>
Like	O
the	O
868	O
,	O
the	O
64V+	O
has	O
a	O
video	O
acceleration	O
engine	O
that	O
can	O
perform	O
YUV	O
to	O
RGB	O
color	B-Algorithm
space	I-Algorithm
conversion	I-Algorithm
and	O
horizontal	O
linear	O
filtered	O
scaling	B-Algorithm
.	O
</s>
<s>
The	O
2D	O
graphics	O
hardware	O
was	O
later	O
used	O
in	O
the	O
ViRGE	B-Device
.	O
</s>
<s>
The	O
2D	O
graphics	O
core	O
was	O
later	O
used	O
in	O
the	O
ViRGE/DX	O
and	O
ViRGE/GX	O
.	O
</s>
<s>
Like	O
the	O
corresponding	O
ViRGE	B-Device
chips	O
,	O
the	O
64V2	O
also	O
came	O
in	O
/DX	O
and	O
/GX	O
variants	O
,	O
with	O
the	O
latter	O
supporting	O
more	O
modern	O
SDRAM	O
or	O
SGRAM	O
.	O
</s>
<s>
The	O
final	O
version	O
,	O
called	O
the	O
Trio3D	O
,	O
was	O
effectively	O
the	O
128-bit	O
successor	O
to	O
the	O
ViRGE/GX2	O
.	O
</s>
<s>
Because	O
of	O
the	O
popularity	O
of	O
the	O
series	O
and	O
the	O
resulting	O
compatibility	O
advantages	O
,	O
they	O
are	O
used	O
in	O
various	O
PC	O
emulation	O
and	O
virtualization	O
packages	O
such	O
as	O
DOSBox	B-Application
,	O
Microsoft	B-Application
Virtual	I-Application
PC	I-Application
,	O
PCem	B-Language
and	O
86Box	O
.	O
</s>
