<s>
thumb|Article	O
in	O
Practical	O
Computing	O
magazine	O
from	O
1982	O
reviewing	O
Silicon	B-Device
Disk	I-Device
System	I-Device
and	O
MicroCache	O
.	O
</s>
<s>
The	O
Silicon	B-Device
Disk	I-Device
System	I-Device
was	O
the	O
first	O
commercially	O
available	O
RAM	B-Application
disk	I-Application
for	O
microcomputers	B-Architecture
.	O
</s>
<s>
The	O
product	O
was	O
available	O
as	O
a	O
standalone	O
and	O
also	O
bundled	O
with	O
a	O
number	O
of	O
different	O
microcomputers	B-Architecture
and	O
RAM-board	O
products	O
.	O
</s>
<s>
Later	O
,	O
the	O
Silicon	B-Device
Disk	I-Device
System	I-Device
was	O
sold	O
by	O
Microcosm	O
Ltd	O
.	O
</s>
<s>
Versions	O
for	O
the	O
MP/M	B-Operating_System
,	O
CP/M	B-Operating_System
-86	I-Operating_System
,	O
and	O
MP/M	B-Operating_System
-86	I-Operating_System
operating	O
systems	O
followed	O
.	O
</s>
<s>
Following	O
the	O
launch	O
of	O
the	O
IBM	O
PC	O
,	O
a	O
version	O
for	O
the	O
MS-DOS	B-Application
and	O
PC	B-Operating_System
DOS	I-Operating_System
operating	O
systems	O
was	O
produced	O
.	O
</s>
