<s>
The	O
Voodoo	B-General_Concept
5	I-General_Concept
was	O
the	O
last	O
and	O
most	O
powerful	O
graphics	B-Device
card	I-Device
line	O
that	O
3dfx	O
Interactive	O
released	O
.	O
</s>
<s>
Only	O
the	O
single-chip	O
Voodoo	B-General_Concept
4	I-General_Concept
4500	O
and	O
dual-chip	O
Voodoo	B-General_Concept
5	I-General_Concept
5500	O
made	O
it	O
to	O
market	O
.	O
</s>
<s>
The	O
VSA-100	O
graphics	O
chip	O
is	O
a	O
direct	O
descendant	O
of	O
"	O
Avenger	O
"	O
,	O
more	O
commonly	O
known	O
as	O
Voodoo3	B-Device
.	O
</s>
<s>
It	O
was	O
built	O
on	O
a	O
250	O
nm	O
semiconductor	B-Architecture
manufacturing	I-Architecture
process	I-Architecture
,	O
as	O
with	O
Voodoo3	B-Device
.	O
</s>
<s>
VSA-100	O
has	O
a	O
transistor	O
count	O
of	O
roughly	O
14	O
million	O
,	O
compared	O
to	O
Voodoo3	B-Device
's	O
~	O
8	O
million	O
.	O
</s>
<s>
By	O
using	O
one	O
or	O
more	O
VSA-100	O
chips	O
on	O
a	O
board	O
,	O
the	O
various	O
market	O
segments	O
for	O
graphics	B-Device
cards	I-Device
are	O
satisfied	O
with	O
just	O
a	O
single	O
graphics	O
chip	O
design	O
.	O
</s>
<s>
Theoretically	O
,	O
anywhere	O
from	O
1	O
to	O
32	O
VSA-100	O
GPUs	O
could	O
be	O
run	O
in	O
parallel	O
on	O
a	O
single	O
graphics	B-Device
card	I-Device
,	O
and	O
the	O
fillrate	B-General_Concept
of	O
the	O
card	O
would	O
increase	O
proportionally	O
.	O
</s>
<s>
On	O
cards	O
with	O
more	O
than	O
one	O
VSA-100	O
,	O
the	O
chips	O
are	O
linked	O
using	O
3dfx	O
's	O
Scan-Line	B-Device
Interleave	I-Device
(	O
SLI	O
)	O
technology	O
.	O
</s>
<s>
3dfx	O
changed	O
the	O
rendering	O
pipeline	O
from	O
one	O
pixel	B-Algorithm
pipeline	O
with	O
twin	O
texture	B-General_Concept
mapping	I-General_Concept
units	I-General_Concept
(	O
Voodoo2/3	O
)	O
to	O
a	O
dual	O
pixel	B-Algorithm
pipeline	O
design	O
with	O
one	O
texture	B-General_Concept
mapping	I-General_Concept
unit	I-General_Concept
on	O
each	O
.	O
</s>
<s>
This	O
design	O
,	O
commonly	O
referred	O
to	O
as	O
a	O
2x1	O
configuration	O
,	O
has	O
an	O
advantage	O
over	O
the	O
prior	O
1x2	O
design	O
with	O
the	O
ability	O
to	O
always	O
output	O
2	O
pixels	B-Algorithm
and	O
2	O
texels	O
per	O
clock	O
instead	O
of	O
1	O
pixel	B-Algorithm
and	O
2	O
texels	O
per	O
clock	O
.	O
</s>
<s>
This	O
mechanism	O
allows	O
for	O
creation	O
of	O
effects	O
such	O
as	O
motion	O
blur	O
(	O
if	O
used	O
temporally	O
)	O
and	O
anti-aliasing	B-Algorithm
(	O
if	O
used	O
spatially	O
)	O
.	O
</s>
<s>
VSA-100	O
supports	O
rotated-grid	O
super-sampling	O
anti-aliasing	B-Algorithm
(	O
RGSS	O
AA	O
)	O
modes	O
,	O
with	O
a	O
maximum	O
anti-aliasing	B-Algorithm
level	O
determined	O
by	O
the	O
number	O
of	O
VSA-100	O
chips	O
in	O
the	O
SLI	O
configuration	O
.	O
</s>
<s>
The	O
RGSS	O
method	O
of	O
anti-aliasing	B-Algorithm
combines	O
multiple	O
samples	O
of	O
each	O
frame	O
,	O
resulting	O
in	O
higher	O
quality	O
than	O
the	O
brute	O
force	O
ordered-grid	O
over-sampling	O
of	O
ImgTech	O
PowerVR	B-Device
,	O
ATI	O
Radeon	B-Device
DDR	I-Device
and	O
NVIDIA	O
GeForce	O
2	O
.	O
</s>
<s>
The	O
chip	O
implements	O
a	O
128-bit	O
SDRAM	O
interface	B-General_Concept
,	O
again	O
similar	O
to	O
the	O
Voodoo3	B-Device
.	O
</s>
<s>
While	O
capacity	O
is	O
not	O
cumulative	O
across	O
the	O
entire	O
card	O
,	O
bandwidth	O
is	O
effectively	O
cumulative	O
and	O
thus	O
a	O
card	O
with	O
2x	O
VSA-100	O
processors	O
has	O
similar	O
bandwidth	O
to	O
a	O
single-chip	O
graphics	B-Device
card	I-Device
using	O
128-bit	O
DDR	O
memory	O
.	O
</s>
<s>
While	O
VSA-100	O
is	O
an	O
AGP	B-Architecture
4x	O
capable	O
graphics	O
processor	O
,	O
3dfx	O
did	O
not	O
implement	O
AGP	B-Architecture
texturing	O
.	O
</s>
<s>
Released	O
after	O
the	O
Voodoo	B-General_Concept
5	I-General_Concept
5500	O
,	O
the	O
Voodoo4	O
4500	O
is	O
the	O
budget	O
implementation	O
of	O
the	O
VSA-100	O
product	O
.	O
</s>
<s>
It	O
was	O
more	O
expensive	O
yet	O
it	O
was	O
beaten	O
in	O
almost	O
all	O
areas	O
by	O
the	O
GeForce2	O
MX	O
and	O
Radeon	B-Device
SDR	I-Device
.	O
</s>
<s>
The	O
unreleased	O
Voodoo	B-General_Concept
5	I-General_Concept
5000	O
was	O
to	O
be	O
similar	O
to	O
the	O
5500	O
but	O
with	O
half	O
of	O
the	O
RAM	O
capacity	O
(	O
32	O
MB	O
total	O
)	O
.	O
</s>
<s>
The	O
Voodoo	B-General_Concept
5	I-General_Concept
5500	O
comes	O
in	O
three	O
flavors	O
:	O
a	O
universal	O
AGP	B-Architecture
version	O
(	O
AGP	B-Architecture
1/2x	O
,	O
prototypes	O
were	O
made	O
with	O
AGP4x-interface	O
)	O
with	O
full	O
sideband	O
support	O
,	O
PCI	B-Protocol
,	O
and	O
the	O
Mac	O
Edition	O
,	O
which	O
is	O
only	O
available	O
for	O
PCI	B-Protocol
,	O
though	O
could	O
run	O
in	O
66MHz	O
PCI	B-Protocol
slots	I-Protocol
.	O
</s>
<s>
In	O
games	O
,	O
the	O
Voodoo	B-General_Concept
5	I-General_Concept
5500	O
is	O
able	O
to	O
outperform	O
the	O
NVIDIA	O
GeForce	B-Device
256	I-Device
and	O
ATI	B-Device
Rage	I-Device
128	I-Device
MAXX	I-Device
,	O
but	O
unfortunately	O
Voodoo5	B-General_Concept
5500	O
was	O
late	O
to	O
market	O
and	O
was	O
up	O
against	O
the	O
new	O
GeForce	O
2	O
GTS	O
and	O
Radeon	B-Device
DDR	I-Device
,	O
both	O
of	O
which	O
easily	O
outperformed	O
the	O
Voodoo	B-General_Concept
5	I-General_Concept
.	O
</s>
<s>
The	O
Voodoo	B-General_Concept
5	I-General_Concept
6000	I-General_Concept
is	O
the	O
unreleased	O
high-end	O
product	O
in	O
the	O
Voodoo5	B-General_Concept
line	O
.	O
</s>
<s>
It	O
was	O
to	O
use	O
four	O
166MHz	O
VSA-100	O
processors	O
,	O
each	O
with	O
its	O
own	O
32	O
MB	O
of	O
166MHz	O
SDRAM	O
,	O
resulting	O
in	O
the	O
first	O
128	O
MB	O
graphics	B-Device
card	I-Device
(	O
consisting	O
of	O
sixteen	O
8	O
MB	O
chips	O
)	O
.	O
</s>
<s>
Because	O
the	O
card	O
used	O
more	O
power	O
than	O
the	O
AGP	B-Architecture
specification	O
allowed	O
for	O
,	O
a	O
special	O
power	O
supply	O
called	O
Voodoo	B-General_Concept
Volts	I-General_Concept
had	O
to	O
be	O
included	O
with	O
it	O
.	O
</s>
<s>
The	O
results	O
showed	O
that	O
the	O
Voodoo	B-General_Concept
5	I-General_Concept
6000	I-General_Concept
outperformed	O
the	O
GeForce	O
2	O
Ultra	O
and	O
Radeon	B-Device
7500	I-Device
,	O
which	O
were	O
the	O
fastest	O
iterations	O
of	O
the	O
GeForce	O
2	O
and	O
Radeon	B-Device
R100	I-Device
lines	O
,	O
respectively	O
.	O
</s>
<s>
(	O
It	O
was	O
rumored	O
that	O
GeForce	O
2	O
Ultra	O
was	O
intended	O
to	O
prevent	O
3dfx	O
taking	O
the	O
lead	O
with	O
their	O
Voodoo	B-General_Concept
5	I-General_Concept
6000	I-General_Concept
.	O
)	O
</s>
<s>
Unfortunately	O
,	O
the	O
production	O
cost	O
of	O
the	O
Voodoo5	B-General_Concept
6000	I-General_Concept
would	O
have	O
likely	O
hampered	O
its	O
competitiveness	O
from	O
a	O
profitability	O
standpoint	O
.	O
</s>
<s>
Compared	O
to	O
the	O
single-chip	O
GeForce	O
and	O
Radeon	B-Device
cards	O
,	O
a	O
Voodoo5	B-General_Concept
6000	I-General_Concept
is	O
burdened	O
with	O
much	O
redundancy	O
and	O
a	O
complicated	O
board	O
.	O
</s>
<s>
Despite	O
its	O
high	O
price	O
point	O
,	O
the	O
Voodoo5	B-General_Concept
6000	I-General_Concept
would	O
not	O
have	O
offered	O
next-generation	O
DirectX	B-Application
8.0	I-Application
vertex	O
and	O
pixel	B-Algorithm
shaders	O
that	O
would	O
be	O
found	O
in	O
the	O
GeForce	O
3	O
(	O
which	O
was	O
intended	O
by	O
Nvidia	O
to	O
replace	O
the	O
short-lived	O
GeForce	O
2	O
Ultra	O
as	O
its	O
flagship	O
product	O
)	O
and	O
Radeon	B-Device
8500	I-Device
,	O
nor	O
even	O
DirectX	O
7	O
features	O
such	O
as	O
hardware	O
transform	O
and	O
lighting	O
acceleration	O
for	O
vertices	O
.	O
</s>
<s>
There	O
were	O
five	O
revisions	O
of	O
the	O
Voodoo	B-General_Concept
5	I-General_Concept
6000	I-General_Concept
:	O
(	O
the	O
numbers	O
after	O
the	O
model	O
state	O
the	O
build	O
week	O
:	O
10	O
for	O
week	O
10	O
,	O
00	O
for	O
year	O
2000	O
)	O
.	O
</s>
<s>
This	O
revision	O
used	O
an	O
Intel	O
PCI	B-Protocol
bridge	I-Protocol
chip	O
,	O
was	O
equipped	O
with	O
128	O
MB	O
of	O
5.4ns	O
SDRAM	O
and	O
used	O
a	O
proprietary	O
external	O
3dfx	O
power	O
supply	O
.	O
</s>
<s>
Initial	O
models	O
had	O
the	O
chips	O
mounted	O
in	O
the	O
arrangement	O
seen	O
in	O
the	O
photograph	O
,	O
but	O
this	O
required	O
a	O
PCB	O
with	O
eight	O
circuitry	O
layers	O
(	O
most	O
GeForce	O
2	O
cards	O
were	O
four-layer	O
,	O
while	O
the	O
Voodoo	B-General_Concept
5	I-General_Concept
5500	O
was	O
six-layer	O
)	O
and	O
would	O
have	O
been	O
unreasonably	O
expensive	O
.	O
</s>
<s>
This	O
version	O
dropped	O
the	O
Intel	O
PCI	B-Protocol
bridge	I-Protocol
chip	O
in	O
favor	O
of	O
a	O
HiNT	O
bridge	O
chip	O
.	O
</s>
<s>
The	O
VSA-100	O
chips	O
used	O
still	O
did	O
not	O
have	O
a	O
long	O
life	O
expectancy	O
,	O
and	O
may	O
have	O
had	O
problems	O
running	O
anti-aliasing	B-Algorithm
.	O
</s>
<s>
Most	O
of	O
the	O
problems	O
seen	O
in	O
earlier	O
revisions	O
were	O
fixed	O
,	O
although	O
there	O
may	O
have	O
been	O
glitches	O
while	O
in	O
anti-aliasing	B-Algorithm
mode	O
on	O
some	O
cards	O
.	O
</s>
<s>
ModelLaunchCode	O
nameFab	O
(	O
nm	O
)	O
Bus	B-General_Concept
interfaceMemory	O
(	O
MiB	O
)	O
Core	O
clock	O
(	O
MHz	O
)	O
Memory	O
clock	O
(	O
MHz	O
)	O
Core	O
config1FillrateMemoryDirect3D	O
supportMOperations/sMPixels/sMTexels/sMVertices/sBandwidth	O
(	O
GB/s	O
)	O
Bus	B-General_Concept
typeBus	O
width	O
(	O
bit	O
)	O
Voodoo4	O
4000Never	O
releasedVSA-100250AGP	O
4x	O
,	O
PCI161661662:233233233202.656SDR1286.0Voodoo4-2	O
4000Never	O
releasedVSA-101180AGP16	O
??	O
2:2	O
??	O
</s>
<s>
The	O
successor	O
to	O
the	O
Voodoo	B-General_Concept
5	I-General_Concept
series	O
,	O
codenamed	O
"	O
Rampage	O
"	O
,	O
was	O
already	O
planned	O
and	O
had	O
been	O
in	O
development	O
for	O
years	O
.	O
</s>
