<s>
X386	B-Device
was	O
an	O
implementation	O
of	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
for	O
IBM	O
PC	O
compatible	O
computers	O
.	O
</s>
<s>
It	O
ran	O
on	O
systems	O
with	O
Intel	B-General_Concept
386	I-General_Concept
or	O
later	O
processors	O
,	O
running	O
Unix	O
System	O
V-based	O
operating	B-General_Concept
systems	I-General_Concept
,	O
and	O
supported	O
a	O
variety	O
of	O
VGA-compatible	O
graphics	B-Device
cards	I-Device
.	O
</s>
<s>
X386	B-Device
was	O
created	O
by	O
Thomas	O
Roell	O
while	O
at	O
Technische	O
Universität	O
München	O
and	O
first	O
released	O
(	O
as	O
X386	B-Device
1.1	O
,	O
based	O
on	O
X11R4	B-Operating_System
)	O
in	O
1991	O
.	O
</s>
<s>
X386	B-Device
1.2	O
was	O
incorporated	O
in	O
the	O
X11R5	B-Operating_System
release	O
later	O
the	O
same	O
year	O
.	O
</s>
<s>
Further	O
X386	B-Device
development	O
was	O
funded	O
by	O
Snitily	O
Graphics	O
Consulting	O
Services	O
,	O
which	O
released	O
enhanced	O
versions	O
commercially	O
.	O
</s>
<s>
SGCS	O
later	O
became	O
Xi	O
Graphics	O
and	O
X386	B-Device
evolved	O
into	O
the	O
Accelerated-X	B-Application
product	O
.	O
</s>
<s>
In	O
September	O
1992	O
,	O
the	O
XFree86	B-Device
project	O
was	O
created	O
to	O
continue	O
development	O
of	O
X386	B-Device
as	O
open	B-Application
source	I-Application
software	I-Application
,	O
the	O
name	O
being	O
a	O
pun	B-Application
on	O
"	O
X386	B-Device
"	O
,	O
distinguishing	O
it	O
from	O
the	O
proprietary	O
SGCS	O
version	O
.	O
</s>
