<s>
SGI	B-General_Concept
Onyx2	I-General_Concept
,	O
code	O
name	O
Kego	O
,	O
is	O
a	O
family	O
of	O
visualization	B-Application
systems	O
developed	O
and	O
manufactured	O
by	O
SGI	O
,	O
introduced	O
in	O
1996	O
to	O
succeed	O
the	O
Onyx	B-General_Concept
.	O
</s>
<s>
The	O
Onyx2	B-General_Concept
's	O
basic	O
system	O
architecture	O
is	O
based	O
on	O
the	O
Origin	B-Application
2000	I-Application
servers	O
,	O
but	O
with	O
the	O
inclusion	O
of	O
graphics	O
hardware	O
.	O
</s>
<s>
In	O
2000	O
,	O
the	O
Onyx2	B-General_Concept
was	O
succeeded	O
by	O
the	O
Onyx	B-General_Concept
3000	O
,	O
and	O
it	O
was	O
discontinued	O
on	O
June	O
27	O
,	O
2003	O
.	O
</s>
<s>
These	O
systems	O
run	O
either	O
IRIX	B-Operating_System
6.4	O
or	O
6.5	O
.	O
</s>
<s>
The	O
Onyx2	B-General_Concept
uses	O
the	O
MIPS	B-Device
R10000	B-General_Concept
microprocessor	B-Architecture
clocked	O
at	O
150	O
,	O
175	O
,	O
180	O
and	O
195MHz	O
,	O
later	O
increased	O
to	O
250MHz	O
,	O
courtesy	O
of	O
a	O
process	O
shrink	O
from	O
0.35	O
to	O
0.25	O
micrometers	O
.	O
</s>
<s>
Later	O
300	O
and	O
400MHz	O
R12000	B-General_Concept
,	O
and	O
500MHz	O
R14000	B-General_Concept
CPUs	O
were	O
made	O
available	O
.	O
</s>
<s>
At	O
the	O
time	O
of	O
their	O
introduction	O
,	O
the	O
Onyx2	B-General_Concept
could	O
be	O
configured	O
with	O
the	O
Reality	O
,	O
InfiniteReality	O
,	O
or	O
InfiniteReality2	O
graphics	O
subsystems	O
.	O
</s>
