<s>
The	O
Cray	B-Device
S-MP	I-Device
was	O
a	O
multiprocessor	B-Operating_System
server	B-Application
computer	I-Application
sold	O
by	O
Cray	O
Research	O
from	O
1992	O
to	O
1993	O
.	O
</s>
<s>
It	O
was	O
based	O
on	O
the	O
Sun	B-Architecture
SPARC	I-Architecture
microprocessor	B-Architecture
architecture	O
and	O
could	O
be	O
configured	O
with	O
up	O
to	O
eight	O
66	O
MHz	O
BIT	O
B5000	O
processors	O
.	O
</s>
<s>
Optionally	O
,	O
a	O
Cray	B-Device
APP	I-Device
matrix	B-Architecture
co-processor	B-General_Concept
cluster	O
could	O
be	O
added	O
to	O
an	O
S-MP	O
system	O
.	O
</s>
<s>
The	O
S-MP	O
was	O
a	O
short-lived	O
model	O
,	O
and	O
was	O
superseded	O
by	O
the	O
Cray	B-Device
CS6400	I-Device
.	O
</s>
