<s>
The	O
SiS	B-General_Concept
630	I-General_Concept
and	O
SiS	B-General_Concept
730	I-General_Concept
are	O
a	O
family	O
of	O
highly	O
integrated	O
chipsets	O
for	O
Intel	O
(	O
Slot	O
1/Socket	O
370	O
)	O
and	O
AMD	O
(	O
Slot	O
A/Socket	O
A	O
)	O
respectively	O
.	O
</s>
<s>
At	O
the	O
time	O
of	O
release	O
they	O
were	O
unique	O
in	O
that	O
they	O
not	O
only	O
provided	O
VGA	O
,	O
Audio	O
,	O
LAN	O
,	O
IDE	B-Protocol
and	O
USB	O
functionality	O
on	O
board	O
,	O
but	O
were	O
also	O
in	O
a	O
single-chip	O
solution	O
.	O
</s>
<s>
At	O
the	O
time	O
of	O
release	O
(	O
1999	O
)	O
most	O
chipsets	O
were	O
composed	O
of	O
physically	O
separate	O
north-bridge	O
and	O
south-bridge	O
chips	O
(	O
technically	O
these	O
still	O
existed	O
in	O
the	O
SiS	B-General_Concept
630/730	I-General_Concept
but	O
were	O
contained	O
in	O
a	O
single	O
package	O
)	O
.	O
</s>
<s>
Only	O
later	O
have	O
single-chip	O
solutions	O
become	O
popular	O
in	O
the	O
mainstream	O
,	O
with	O
chipsets	O
such	O
as	O
the	O
nVidia	O
nForce4	B-Device
.	O
</s>
<s>
Hardware	O
Acceleration	O
(	O
Motion	B-Algorithm
Compensation	I-Algorithm
and	O
iDCT	B-General_Concept
)	O
for	O
DVD	O
Playback	O
.	O
</s>
<s>
Fully	O
DirectX	B-Application
7.0	I-Application
Compliant	O
Graphics	O
Engine	O
.	O
</s>
<s>
The	O
video	O
core	O
in	O
the	O
SiS	B-General_Concept
630/730	I-General_Concept
is	O
based	O
on	O
the	O
128-bit	O
SiS	O
305	O
.	O
</s>
<s>
Unlike	O
the	O
Intel	O
i810	O
,	O
the	O
SiS	B-General_Concept
630	I-General_Concept
renders	O
3D	O
in	O
32-bit	O
colour	O
(	O
although	O
the	O
performance	O
was	O
quite	O
poor	O
)	O
.	O
</s>
<s>
There	O
was	O
also	O
support	O
for	O
full	O
hardware	O
decoding	O
of	O
MPEG2	O
which	O
gave	O
CPU	O
usage	O
of	O
around	O
5-10	O
%	O
when	O
watching	O
DVDs	O
with	O
suitable	O
software	O
(	O
Cyberlink	O
PowerDVD	O
5	O
or	O
VideoLAN	B-Application
Media	O
Player	O
)	O
.	O
</s>
<s>
Access	O
to	O
the	O
acceleration	O
is	O
provided	O
via	O
DXVA	B-General_Concept
under	O
Windows	O
2000/XP	O
.	O
</s>
<s>
Whilst	O
this	O
would	O
give	O
comparatively	O
poor	O
scores	O
in	O
pure	O
memory	O
throughput	O
benchmarks	O
(	O
a	O
SiS	B-General_Concept
630	I-General_Concept
system	O
will	O
show	O
around	O
470	O
MB/s	O
of	O
memory	O
read	O
throughput	O
compared	O
to	O
around	O
800	O
MB/s	O
on	O
a	O
similar	O
system	O
with	O
discrete	O
graphics	O
)	O
the	O
real-world	O
performance	O
in	O
office	O
applications	O
was	O
very	O
good	O
with	O
systems	O
(	O
particularly	O
budget	O
notebooks	O
)	O
based	O
around	O
the	O
chipset	O
frequently	O
walking	O
away	O
with	O
"	O
best	O
buy	O
"	O
awards	O
.	O
</s>
<s>
As	O
of	O
2003	O
it	O
seems	O
that	O
SiS	O
have	O
chosen	O
to	O
abandon	O
the	O
SiS	B-General_Concept
630/730	I-General_Concept
with	O
no	O
newer	O
drivers	O
being	O
offered	O
and	O
the	O
last	O
two	O
sets	O
being	O
unusable	O
on	O
a	O
large	O
number	O
of	O
systems	O
.	O
</s>
<s>
DirectSound	B-Device
3D	O
Accelerator	O
for	O
IID	O
,	O
IAD	O
and	O
Doppler	O
Effects	O
.	O
</s>
<s>
Unlike	O
the	O
later	O
SiS	O
735	O
chipset	O
which	O
used	O
the	O
host-processed	O
SiS	O
7012	O
,	O
the	O
SiS	B-General_Concept
630/730	I-General_Concept
featured	O
the	O
fully	O
hardware	O
accelerated	O
SiS	O
7018	O
core	O
which	O
itself	O
is	O
a	O
design	O
licensed	O
from	O
Trident	O
,	O
sold	O
as	O
the	O
Trident	O
4DWave	O
(	O
the	O
same	O
design	O
was	O
also	O
licensed	O
by	O
ALi	O
for	O
use	O
in	O
their	O
5451	O
chipset	O
)	O
.	O
</s>
<s>
At	O
the	O
time	O
of	O
writing	O
there	O
is	O
still	O
no	O
support	O
for	O
the	O
hardware	O
DirectSound	B-Device
,	O
mixing	O
or	O
MIDI	O
features	O
that	O
this	O
chip	O
provides	O
in	O
the	O
WDM	O
driver	O
.	O
</s>
<s>
The	O
SiS	B-General_Concept
630/730	I-General_Concept
provides	O
two	O
USB	O
1.1	O
controllers	O
called	O
the	O
SiS	O
7001	O
,	O
theoretically	O
allowing	O
2	O
12	O
Mbit/s	O
shared	O
amongst	O
up	O
to	O
6	O
physical	O
USB	O
ports	O
.	O
</s>
<s>
The	O
IDE	B-Protocol
controller	O
on	O
the	O
SiS	B-General_Concept
630/730	I-General_Concept
provides	O
support	O
for	O
up	O
to	O
UDMA/100	O
depending	O
on	O
the	O
specific	O
variant	O
.	O
</s>
<s>
The	O
IDE	B-Protocol
controller	O
connects	O
to	O
the	O
"	O
north-bridge	O
"	O
via	O
a	O
dedicated	O
133	O
MB/s	O
link	O
,	O
separate	O
from	O
the	O
second	O
133	O
MB/s	O
link	O
between	O
the	O
north	O
bridge	O
and	O
other	O
PCI	O
devices	O
.	O
</s>
<s>
This	O
is	O
beneficial	O
in	O
two	O
ways	O
;	O
firstly	O
IDE	B-Protocol
performance	O
should	O
n't	O
be	O
affected	O
by	O
other	O
PCI	O
devices	O
,	O
and	O
similarly	O
IDE	B-Protocol
transfers	O
should	O
n't	O
affect	O
other	O
devices	O
such	O
as	O
sound	O
cards	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
features	O
listed	O
above	O
,	O
the	O
SiS	B-General_Concept
630/730	I-General_Concept
has	O
support	O
for	O
legacy	B-Device
ports	I-Device
including	O
SPP/ECP/EPP	O
parallel	O
port	O
,	O
2	O
serial	O
ports	O
and	O
Fast	O
Infrared/IrDA	O
.	O
</s>
<s>
+Comparison	O
of	O
ModelsHost	O
SiS	B-General_Concept
630	I-General_Concept
SiS	O
630E	O
SiS	O
630ET	O
SiS	B-General_Concept
630S	I-General_Concept
SiS	O
630ST	O
SiS	B-General_Concept
730S	I-General_Concept
Host	O
Processor	O
Intel	O
Celeron	O
/	O
Pentium	O
III	O
(	O
FCPGA	O
)	O
Intel	O
Celeron	O
/	O
Pentium	O
III	O
(	O
FCPGA	O
)	O
Intel	O
Celeron	O
/	O
Pentium	O
III	O
(	O
FCPGA/FCPGA2	O
)	O
Intel	O
Celeron	O
/	O
Pentium	O
III	O
(	O
FCPGA	O
)	O
Intel	O
Celeron	O
/	O
Pentium	O
III	O
(	O
FCPGA/FCPGA2	O
)	O
AMD	O
Athlon/Duron	O
(	O
Slot	O
A/Socket	O
A	O
)	O
Bus	O
Voltage	O
AGTL+	O
AGTL+	O
AGTL+	O
AGTL+	O
AGTL+	O
Number	O
Processors1	O
FSB66/100/133	O
MHz	O
100/133	O
MHz	O
DRAM	O
SiS	B-General_Concept
630	I-General_Concept
SiS	O
630E	O
SiS	O
630ET	O
SiS	B-General_Concept
630S	I-General_Concept
SiS	O
630ST	O
SiS	B-General_Concept
730S	I-General_Concept
Memory	O
Support	O
3-DIMM/6	O
-bank	O
or	O
2-DIMM	O
Mbit	O
Support	O
16	O
/	O
64	O
/	O
128	O
/	O
256	O
/	O
512	O
MB	O
per	O
Row	O
Max	O
Memory	O
Size	O
1.5	O
GB	O
(	O
3-DIMM	O
)	O
/	O
1.0	O
GB	O
(	O
2-DIMM	O
)	O
Memory	O
Type	O
PC100/PC133	O
SDRAM/VCM	O
PC100/PC133	O
SDRAM	O
Memory	O
Bus	O
66/100/133	O
MHz	O
FSB/Memory	O
Bus	O
Mode	O
Synchronous	O
/	O
Asynchronous	O
ECC	O
Support	O
N/A	O
PCI	O
Interface	O
SiS	B-General_Concept
630	I-General_Concept
SiS	O
630E	O
SiS	O
630ET	O
SiS	B-General_Concept
630S	I-General_Concept
SiS	O
630ST	O
SiS	B-General_Concept
730S	I-General_Concept
PCI	O
Spec	O
.	O
</s>
<s>
Compliant	O
to	O
PCI	O
2.2	O
Max	O
PCI	O
Masters	O
4	O
AGP	O
Interface	O
SiS	B-General_Concept
630	I-General_Concept
SiS	O
630E	O
SiS	O
630ET	O
SiS	B-General_Concept
630S	I-General_Concept
SiS	O
630ST	O
SiS	B-General_Concept
730S	I-General_Concept
Integrated	O
Graphics	O
Yes	O
AGP	O
Compliancy	O
Compliant	O
to	O
AGP	O
2.0	O
Co-operate	O
with	O
SiS	O
Video	O
Bridge	O
Yes	O
N/A	O
N/A	O
Yes	O
Yes	O
Yes	O
Video	O
Memory	O
SMA/Extension	O
Video	O
Memory	O
SMA	O
SMA	O
SMA	O
SMA	O
SMA/Extension	O
Video	O
Memory	O
SMA	O
8/16/32/64	O
MB	O
External	O
AGP	O
Slot	O
N/A	O
Yes	O
AGP	O
Spec	O
.	O
</s>
