<s>
The	O
Intel740	B-General_Concept
,	O
or	O
i740	B-General_Concept
(	O
codenamed	O
Auburn	O
)	O
,	O
is	O
a	O
350	O
nm	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
using	O
an	O
AGP	B-Architecture
interface	O
released	O
by	O
Intel	O
on	O
February	O
12	O
,	O
1998	O
.	O
</s>
<s>
Intel	O
was	O
hoping	O
to	O
use	O
the	O
i740	B-General_Concept
to	O
popularize	O
the	O
Accelerated	B-Architecture
Graphics	I-Architecture
Port	I-Architecture
,	O
while	O
most	O
graphics	O
vendors	O
were	O
still	O
using	O
PCI	B-Protocol
.	O
</s>
<s>
Released	O
to	O
enormous	O
fanfare	O
,	O
the	O
i740	B-General_Concept
proved	O
to	O
have	O
disappointing	O
real-world	O
performance	O
,	O
and	O
sank	O
from	O
view	O
after	O
only	O
a	O
few	O
months	O
on	O
the	O
market	O
.	O
</s>
<s>
Some	O
of	O
its	O
technology	O
lived	O
on	O
in	O
the	O
form	O
of	O
Intel	B-Device
Extreme	I-Device
Graphics	I-Device
,	O
and	O
the	O
concept	O
of	O
an	O
Intel	O
produced	O
graphics	B-Architecture
processor	I-Architecture
lives	O
on	O
in	O
the	O
form	O
of	O
Intel	B-Application
HD	I-Application
Graphics	I-Application
and	O
Intel	B-Application
Iris	I-Application
Pro	O
.	O
</s>
<s>
The	O
i740	B-General_Concept
has	O
a	O
long	O
and	O
storied	O
history	O
that	O
starts	O
at	O
GE	O
Aerospace	O
as	O
part	O
of	O
their	O
flight	B-Application
simulation	I-Application
systems	O
,	O
notable	O
for	O
their	O
construction	O
of	O
the	O
Project	O
Apollo	O
"	O
Visual	O
Docking	O
Simulator	O
"	O
that	O
was	O
used	O
to	O
train	O
Apollo	O
Astronauts	O
to	O
dock	O
the	O
Command	O
Module	O
and	O
Lunar	O
Module	O
.	O
</s>
<s>
In	O
January	O
1995	O
,	O
Lockheed	O
Martin	O
re-organized	O
their	O
divisions	O
and	O
formed	O
Real3D	B-Device
in	O
order	O
to	O
bring	O
their	O
3D	O
experience	O
to	O
the	O
civilian	O
market	O
.	O
</s>
<s>
Real3D	B-Device
had	O
an	O
early	O
brush	O
with	O
success	O
,	O
providing	O
chipsets	O
and	O
overall	O
design	O
to	O
Sega	O
,	O
who	O
used	O
it	O
in	O
a	O
number	O
of	O
arcade	O
game	O
boards	O
,	O
the	O
Model	O
2	O
and	O
Model	O
3	O
.	O
</s>
<s>
They	O
also	O
formed	O
a	O
joint	O
project	O
with	O
Intel	O
and	O
Chips	O
and	O
Technologies	O
(	O
later	O
purchased	O
by	O
Intel	O
)	O
to	O
produce	O
3D	B-Architecture
accelerators	I-Architecture
for	O
the	O
PC	O
market	O
,	O
under	O
the	O
code	O
name	O
"	O
Auburn	O
"	O
.	O
</s>
<s>
Auburn	O
was	O
designed	O
specifically	O
to	O
take	O
advantage	O
of	O
(	O
and	O
promote	O
)	O
the	O
use	O
of	O
AGP	B-Architecture
interface	O
,	O
during	O
the	O
time	O
when	O
many	O
competing	O
3D	B-Architecture
accelerators	I-Architecture
(	O
notably	O
,	O
3dfx	O
Voodoo	O
Graphics	O
)	O
still	O
used	O
the	O
PCI	B-Protocol
connection	O
.	O
</s>
<s>
A	O
unique	O
characteristic	O
,	O
which	O
set	O
the	O
AGP	B-Architecture
version	O
of	O
the	O
card	O
apart	O
from	O
other	O
similar	O
devices	O
on	O
the	O
market	O
,	O
was	O
the	O
use	O
of	O
on-board	O
memory	O
exclusively	O
for	O
the	O
display	O
frame	B-Algorithm
buffer	I-Algorithm
,	O
with	O
all	O
textures	O
being	O
kept	O
in	O
the	O
computer	O
system	O
's	O
main	O
RAM	B-Architecture
.	O
</s>
<s>
At	O
the	O
time	O
,	O
most	O
accelerators	O
used	O
the	O
CPU	B-Device
for	O
triangle	O
setup	O
and	O
geometry	O
calculations	O
,	O
then	O
handed	O
the	O
data	O
off	O
to	O
the	O
card	O
to	O
apply	O
texture	O
mapping	O
and	O
bilinear	O
filtering	O
.	O
</s>
<s>
In	O
the	O
lead-up	O
to	O
the	O
i740	B-General_Concept
's	O
introduction	O
,	O
the	O
press	O
widely	O
commented	O
that	O
it	O
would	O
drive	O
all	O
of	O
the	O
smaller	O
vendors	O
from	O
the	O
market	O
.	O
</s>
<s>
The	O
i740	B-General_Concept
was	O
released	O
in	O
February	O
1998	O
,	O
at	O
$34.50	O
in	O
large	O
quantities	O
.	O
</s>
<s>
The	O
i740	B-General_Concept
was	O
clocked	O
at	O
66Mhz	O
and	O
had	O
2-8MB	O
of	O
VRAM	O
;	O
significantly	O
less	O
than	O
its	O
competitors	O
which	O
had	O
8-32MB	O
of	O
VRAM	O
,	O
allowing	O
the	O
card	O
to	O
be	O
sold	O
at	O
a	O
low	O
price	O
.	O
</s>
<s>
The	O
small	O
amount	O
of	O
VRAM	O
meant	O
that	O
it	O
was	O
only	O
used	O
as	O
a	O
frame	B-Algorithm
buffer	I-Algorithm
,	O
hence	O
it	O
used	O
the	O
AGP	B-Architecture
interface	O
to	O
access	O
the	O
system	O
's	O
main	O
memory	O
to	O
store	O
textures	O
;	O
this	O
was	O
a	O
fatal	O
flaw	O
that	O
took	O
away	O
memory	O
bandwidth	O
and	O
capacity	O
from	O
the	O
CPU	B-Device
,	O
reducing	O
its	O
performance	O
,	O
while	O
also	O
making	O
the	O
card	O
slower	O
since	O
it	O
had	O
to	O
go	O
through	O
the	O
AGP	B-Architecture
interface	O
to	O
access	O
the	O
main	O
memory	O
which	O
was	O
slower	O
than	O
its	O
VRAM	O
.	O
</s>
<s>
The	O
AGP	B-Architecture
Texture	O
concept	O
soon	O
proved	O
to	O
be	O
a	O
tremendous	O
error	O
in	O
design	O
,	O
because	O
the	O
card	O
had	O
to	O
constantly	O
access	O
the	O
textures	O
over	O
a	O
channel	O
that	O
was	O
upwards	O
of	O
eight	O
times	O
slower	O
than	O
RAM	B-Architecture
placed	O
on	O
the	O
graphics	O
card	O
itself	O
.	O
</s>
<s>
Although	O
AGP	B-Architecture
did	O
indeed	O
improve	O
performance	O
of	O
moving	O
geometry	O
,	O
this	O
was	O
wiped	O
away	O
by	O
the	O
growing	O
use	O
of	O
textures	O
,	O
which	O
were	O
much	O
larger	O
.	O
</s>
<s>
In	O
real-world	O
use	O
it	O
proved	O
to	O
be	O
much	O
slower	O
than	O
existing	O
solutions	O
like	O
the	O
Voodoo2	O
,	O
and	O
was	O
only	O
able	O
to	O
hold	O
its	O
own	O
with	O
slower	O
2D/3D	O
cards	O
like	O
the	O
Nvidia	B-Device
RIVA	I-Device
128	I-Device
.	O
</s>
<s>
The	O
release	O
of	O
the	O
Nvidia	B-Device
RIVA	I-Device
TNT	I-Device
removed	O
even	O
that	O
advantage	O
.	O
</s>
<s>
In	O
August	O
1999	O
,	O
after	O
less	O
than	O
18	O
months	O
on	O
the	O
market	O
,	O
Intel	O
withdrew	O
the	O
i740	B-General_Concept
from	O
the	O
market	O
.	O
</s>
<s>
In	O
September	O
Lockheed	O
announced	O
a	O
"	O
customer-focused	O
organizational	O
realignment	O
"	O
that	O
shed	O
many	O
of	O
its	O
divisions	O
,	O
and	O
then	O
closed	O
Real3D	B-Device
on	O
1	O
October	O
1999	O
(	O
following	O
Calcomp	O
in	O
late	O
1998	O
)	O
.	O
</s>
<s>
Intel	O
also	O
sold	O
the	O
i740	B-General_Concept
to	O
3rd	O
party	O
companies	O
,	O
and	O
some	O
PCI	B-Protocol
versions	O
of	O
the	O
accelerator	O
also	O
were	O
made	O
.	O
</s>
<s>
They	O
used	O
an	O
AGP-to-PCI	O
bridge	O
chip	O
and	O
had	O
more	O
on-board	O
memory	O
for	O
storing	O
textures	O
locally	O
on	O
the	O
card	O
,	O
and	O
were	O
actually	O
faster	O
than	O
their	O
AGP	B-Architecture
counterparts	O
in	O
some	O
performance	O
tests	O
.	O
</s>
<s>
In	O
April	O
1999	O
,	O
Intel	O
announced	O
two	O
successors	O
to	O
the	O
i740	B-General_Concept
:	O
the	O
i752	O
(	O
code-named	O
Portola	O
)	O
and	O
the	O
i754	O
(	O
code-named	O
Coloma	O
)	O
.	O
</s>
<s>
Improvements	O
included	O
support	O
for	O
multitexturing	O
,	O
anisotropic	O
filtering	O
,	O
MPEG-2	B-Algorithm
motion	B-Algorithm
compensation	I-Algorithm
and	O
DVI	B-Protocol
displays	O
.	O
</s>
<s>
Both	O
chips	O
would	O
use	O
the	O
same	O
core	O
,	O
the	O
only	O
difference	O
being	O
that	O
the	O
i752	O
would	O
use	O
a	O
2×	O
AGP	B-Architecture
interface	O
and	O
the	O
i754	O
a	O
4×	O
AGP	B-Architecture
interface	O
.	O
</s>
<s>
The	O
i752	O
and	O
i754	O
cores	O
were	O
later	O
used	O
for	O
the	O
integrated	O
graphics	O
in	O
the	O
Intel	B-Device
810	I-Device
and	O
815	O
chipsets	O
,	O
respectively	O
.	O
</s>
<s>
Another	O
successor	O
that	O
was	O
ultimately	O
cancelled	O
in	O
September	O
2000	O
was	O
the	O
GPU	B-Architecture
(	O
code-named	O
Capitola	O
)	O
to	O
be	O
used	O
in	O
conjunction	O
with	O
the	O
similarly	O
ill-fated	O
Timna	B-Device
processor	O
.	O
</s>
