<s>
MIPS-X	B-General_Concept
is	O
a	O
reduced	B-Architecture
instruction	I-Architecture
set	I-Architecture
computer	I-Architecture
(	O
RISC	B-Architecture
)	O
microprocessor	B-Architecture
and	O
instruction	B-General_Concept
set	I-General_Concept
architecture	I-General_Concept
(	O
ISA	O
)	O
developed	O
as	O
a	O
follow-on	O
project	O
to	O
the	O
MIPS	B-General_Concept
project	O
at	O
Stanford	O
University	O
by	O
the	O
same	O
team	O
that	O
developed	O
MIPS	B-General_Concept
.	O
</s>
<s>
Unlike	O
its	O
older	O
cousin	O
,	O
MIPS-X	B-General_Concept
was	O
never	O
commercialized	O
as	O
a	O
workstation	B-Device
central	B-General_Concept
processing	I-General_Concept
unit	I-General_Concept
(	O
CPU	O
)	O
,	O
and	O
has	O
mainly	O
been	O
seen	O
in	O
embedded	B-Architecture
system	I-Architecture
designs	O
based	O
on	O
chips	O
designed	O
by	O
Integrated	O
Information	O
Technology	O
(	O
IIT	O
)	O
for	O
use	O
in	O
digital	O
video	O
applications	O
.	O
</s>
<s>
MIPS-X	B-General_Concept
,	O
while	O
designed	O
by	O
the	O
same	O
team	O
and	O
architecturally	O
very	O
similar	O
,	O
is	O
instruction-set	O
incompatible	O
with	O
the	O
mainline	O
MIPS	B-Device
architecture	I-Device
R-series	O
processors	O
.	O
</s>
<s>
The	O
MIPS-X	B-General_Concept
processor	O
is	O
obscure	O
enough	O
that	O
,	O
as	O
of	O
November	O
20	O
,	O
2005	O
,	O
support	O
for	O
it	O
is	O
provided	O
only	O
by	O
specialist	O
developers	O
(	O
such	O
as	O
Green	O
Hills	O
Software	O
)	O
,	O
and	O
is	O
notably	O
missing	O
from	O
the	O
GNU	B-Application
Compiler	I-Application
Collection	I-Application
(	O
GCC	B-Application
)	O
.	O
</s>
<s>
MIPS-X	B-General_Concept
has	O
become	O
important	O
among	O
DVD	B-Device
player	I-Device
firmware	B-Application
hackers	O
,	O
since	O
many	O
DVD	B-Device
players	I-Device
(	O
especially	O
low-end	O
devices	O
)	O
use	O
chips	O
based	O
on	O
the	O
IIT	O
design	O
(	O
and	O
produced	O
by	O
ESS	O
Technology	O
)	O
,	O
as	O
their	O
central	O
processor	O
.	O
</s>
<s>
Devices	O
such	O
as	O
the	O
ESS	O
VideoDrive	O
system	B-Architecture
on	I-Architecture
a	I-Architecture
chip	I-Architecture
(	O
SoC	O
)	O
also	O
include	O
a	O
digital	B-Architecture
signal	I-Architecture
processor	I-Architecture
(	O
DSP	O
)	O
(	O
coprocessor	O
)	O
for	O
decoding	O
MPEG	O
audio	O
and	O
video	O
streams	O
.	O
</s>
