<s>
The	O
MB86900	B-Device
is	O
a	O
microprocessor	B-Architecture
produced	O
by	O
Fujitsu	O
,	O
which	O
implements	O
the	O
SPARC	B-Architecture
V7	I-Architecture
instruction	B-General_Concept
set	I-General_Concept
architecture	I-General_Concept
developed	O
by	O
Sun	O
Microsystems	O
.	O
</s>
<s>
It	O
was	O
the	O
first	O
implementation	O
of	O
SPARC	B-Architecture
,	O
introduced	O
in	O
1986	O
,	O
and	O
was	O
used	O
in	O
the	O
first	O
SPARC-based	O
workstation	B-Device
,	O
the	O
Sun	O
Microsystems	O
Sun-4	B-Device
,	O
from	O
1987	O
.	O
</s>
<s>
The	O
chipset	O
consisted	O
of	O
two	O
chips	O
,	O
the	O
MB86900	B-Device
microprocessor	B-Architecture
and	O
the	O
MB86910	B-Device
floating-point	O
unit	O
.	O
</s>
