<s>
The	O
SiS	B-Device
6326	I-Device
was	O
a	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
(	O
GPU	B-Architecture
)	O
manufactured	O
by	O
Silicon	O
Integrated	O
Systems	O
.	O
</s>
<s>
Although	O
its	O
performance	O
was	O
low	O
compared	O
to	O
the	O
GPUs	B-Architecture
of	O
its	O
age	O
,	O
eventually	O
it	O
became	O
very	O
successful	O
,	O
specially	O
integrated	O
in	O
many	O
motherboards	O
designed	O
to	O
the	O
corporate	O
market	O
,	O
where	O
the	O
low	O
cost	O
is	O
prioritized	O
over	O
3D	O
performance	O
.	O
</s>
<s>
SiS	O
shipped	O
over	O
seven	O
million	O
units	O
of	O
the	O
SiS	B-Device
6326	I-Device
in	O
1998	O
.	O
</s>
<s>
The	O
SiS	O
was	O
available	O
as	O
a	O
discrete	O
card	O
,	O
with	O
an	O
AGP	B-Architecture
2x	O
or	O
PCI	B-Protocol
bus	I-Protocol
,	O
and	O
as	O
an	O
integrated	O
GPU	B-Architecture
.	O
</s>
<s>
It	O
had	O
a	O
64-bit	O
2D/3D	O
graphics	B-Architecture
accelerator	I-Architecture
(	O
with	O
most	O
cards	O
running	O
at	O
75	O
Mhz	O
)	O
,	O
a	O
DVD	O
decoder	O
and	O
a	O
TV	O
decoder	O
.	O
</s>
<s>
According	O
to	O
a	O
test	O
conducted	O
by	O
Tom	O
's	O
Hardware	O
on	O
January	O
21	O
,	O
1998	O
,	O
it	O
possessed	O
roughly	O
a	O
third	O
of	O
the	O
performance	O
of	O
an	O
NVidia	B-Device
RIVA	I-Device
128	I-Device
or	O
40%	O
less	O
than	O
an	O
ATI	B-Device
Rage	I-Device
Pro	I-Device
in	O
terms	O
of	O
frames	O
per	O
second	O
in	O
Direct3D	O
benchmarks	O
,	O
and	O
simply	O
could	O
not	O
play	O
Quake	B-Application
2	I-Application
due	O
to	O
its	O
lack	O
of	O
OpenGL	B-Application
support	O
.	O
</s>
<s>
A	O
beta	O
driver	O
codenamed	O
Java	O
was	O
released	O
as	O
late	O
as	O
1999	O
,	O
being	O
the	O
only	O
version	O
with	O
an	O
OpenGL	B-Application
ICD	O
included	O
,	O
which	O
finally	O
allowed	O
it	O
to	O
run	O
some	O
OpenGL	B-Application
applications	O
such	O
as	O
GLQuake	O
,	O
Quake	B-Application
2	I-Application
and	O
GLexcess	O
.	O
</s>
<s>
it	O
still	O
crashes	O
in	O
Quake	B-Application
3	I-Application
though	O
,	O
due	O
to	O
its	O
incomplete	O
3D	O
features	O
.	O
</s>
<s>
The	O
SiS	B-Device
6326	I-Device
was	O
even	O
capable	O
of	O
running	O
relatively	O
newer	O
3D	O
applications	O
such	O
as	O
3DMark2001/2001	O
,	O
with	O
no	O
significant	O
image	O
flaws	O
to	O
be	O
found	O
despite	O
its	O
abysmal	O
speed	O
.	O
</s>
<s>
There	O
is	O
little	O
support	O
for	O
Linux	B-Application
aside	O
from	O
the	O
drivers	O
developed	O
independently	O
by	O
Thomas	O
Winischhofer	O
.	O
</s>
<s>
Since	O
the	O
driver	O
does	O
not	O
support	O
OpenGL	B-Application
,	O
not	O
even	O
the	O
Windows	O
one	O
provided	O
by	O
SiS	O
,	O
it	O
only	O
allows	O
for	O
2D	O
acceleration	O
.	O
</s>
<s>
There	O
is	O
also	O
an	O
experimental	O
FrameBuffer	B-Language
driver	O
developed	O
by	O
Sergio	O
Costas	O
,	O
currently	O
unsupported	O
,	O
available	O
only	O
for	O
2.4	O
kernels	O
and	O
without	O
any	O
kind	O
of	O
hardware	O
acceleration	O
.	O
</s>
<s>
In	O
1998	O
,	O
DVD/Macro	O
-Vision	O
and	O
then	O
AGP	B-Architecture
variants	O
of	O
the	O
SiS	B-Device
6326	I-Device
were	O
released	O
.	O
</s>
<s>
Later	O
that	O
year	O
,	O
northbridge	O
chipsets	O
with	O
integrated	O
GPUs	B-Architecture
were	O
released	O
:	O
SiS	O
530	O
for	O
Socket	O
7	O
,	O
and	O
SiS	O
620	O
for	O
socket	O
370	O
,	O
both	O
based	O
in	O
a	O
cut	O
down	O
version	O
of	O
the	O
SiS	B-Device
6326	I-Device
,	O
named	O
SiS	O
6306	O
operating	O
at	O
40	O
Mhz	O
.	O
</s>
<s>
It	O
was	O
in	O
April	O
1999	O
that	O
the	O
SiS	B-Device
6326	I-Device
was	O
made	O
officially	O
obsolete	O
by	O
the	O
SiS	B-General_Concept
300	I-General_Concept
.	O
</s>
