<s>
Cellular	B-Operating_System
multiprocessing	I-Operating_System
is	O
a	O
multiprocessing	B-Operating_System
computing	B-General_Concept
architecture	I-General_Concept
designed	O
initially	O
for	O
Intel	O
central	B-General_Concept
processing	I-General_Concept
units	I-General_Concept
from	O
Unisys	O
,	O
a	O
worldwide	O
information	O
technology	O
consulting	O
company	O
.	O
</s>
<s>
It	O
consists	O
of	O
the	O
partitioning	O
of	O
processors	O
into	O
separate	O
computing	O
environments	O
running	O
different	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
Providing	O
up	O
to	O
32	O
processors	O
that	O
are	O
crossbar	O
connected	O
to	O
64GB	O
of	O
memory	B-General_Concept
and	O
96	O
PCI	B-Protocol
cards	I-Protocol
,	O
a	O
CMP	O
system	O
provides	O
mainframe-like	O
architecture	O
using	O
Intel	O
CPUs	O
.	O
</s>
<s>
CMP	O
supports	O
Windows	B-Device
NT	I-Device
and	O
Windows	O
2000	O
Server	O
,	O
AIX	B-Application
,	O
Novell	B-Operating_System
NetWare	I-Operating_System
and	O
UnixWare	B-Operating_System
and	O
can	O
be	O
run	O
as	O
one	O
large	O
SMP	O
system	O
or	O
multiple	O
systems	O
with	O
variant	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
Unisys	O
 '	O
CMP	O
is	O
the	O
only	O
server	O
architecture	O
to	O
take	O
full	O
advantage	O
of	O
Microsoft	O
's	O
Windows	O
2000	O
Datacenter	O
Server	O
operating	B-General_Concept
system	I-General_Concept
's	O
support	O
for	O
32	O
processors	O
.	O
</s>
<s>
A	O
CMP	O
subpod	O
contains	O
four	O
x86	O
or	O
Itanium	O
CPUs	O
,	O
which	O
connect	O
through	O
a	O
third-level	O
memory	B-General_Concept
cache	I-General_Concept
to	O
the	O
crossbar	O
.	O
</s>
<s>
Each	O
crossbar	O
supports	O
two	O
subpods	O
,	O
two	O
direct	O
I/O	O
bridges	O
(	O
DIBs	O
)	O
and	O
can	O
connect	O
to	O
four	O
memory	B-General_Concept
storage	O
units	O
(	O
MSUs	O
)	O
.	O
</s>
