<s>
Accelerated-X	B-Application
is	O
a	O
proprietary	O
port	O
of	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
to	O
Intel	O
x86	O
machines	O
.	O
</s>
<s>
The	O
Accelerated-X	B-Application
server	O
is	O
built	O
on	O
top	O
of	O
the	O
X386	B-Device
X	B-Operating_System
server	O
that	O
was	O
created	O
by	O
Thomas	O
Roell	O
for	O
X11	B-Operating_System
Release	O
5	O
.	O
</s>
<s>
He	O
founded	O
a	O
company	O
in	O
Colorado	O
named	O
Xi	O
Graphics	O
which	O
still	O
provides	O
the	O
Accelerated-X	B-Application
server	O
.	O
</s>
<s>
The	O
XFree86	B-Device
project	O
was	O
created	O
as	O
a	O
free	O
alternative	O
to	O
what	O
became	O
the	O
Accelerated-X	B-Application
server	O
.	O
</s>
<s>
Accelerated-X	B-Application
server	O
provides	O
an	O
"	O
overlay	O
mode	O
"	O
on	O
several	O
graphics	B-Device
cards	I-Device
which	O
allows	O
running	O
ancient	O
,	O
256	O
color	O
mode-only	O
Unix	O
alongside	O
more	O
modern	O
applications	O
on	O
truecolor	O
24-bit	O
displays	O
.	O
</s>
<s>
It	O
used	O
to	O
provide	O
much	O
better	O
driver	O
support	O
(	O
hardware	O
acceleration	O
,	O
3D	O
and	O
compatibility	O
,	O
especially	O
on	O
integrated	O
graphics	O
)	O
than	O
XFree86	B-Device
,	O
at	O
a	O
time	O
when	O
the	O
major	O
graphics	O
chipset	O
vendors	O
were	O
not	O
supporting	O
Linux	B-Application
officially	O
.	O
</s>
