<s>
The	O
Intel	B-Device
8089	I-Device
input/output	O
coprocessor	O
was	O
available	O
for	O
use	O
with	O
the	O
8086/8088	B-General_Concept
central	O
processor	O
.	O
</s>
<s>
It	O
used	O
the	O
same	O
programming	O
technique	O
as	O
8087	B-Device
for	O
input/output	O
operations	O
,	O
such	O
as	O
transfer	O
of	O
data	O
from	O
memory	O
to	O
a	O
peripheral	O
device	O
,	O
and	O
so	O
reducing	O
the	O
load	O
on	O
the	O
CPU	O
.	O
</s>
<s>
It	O
was	O
used	O
in	O
the	O
Apricot	O
PC	O
and	O
the	O
Intel	O
Multibus	B-Protocol
iSBC-215	O
Hard	B-Device
disk	I-Device
drive	I-Device
controller	O
.	O
</s>
<s>
It	O
was	O
also	O
used	O
in	O
the	O
Altos	B-Device
586	I-Device
multi-user	O
computer	O
.	O
</s>
<s>
Intel	O
themselves	O
used	O
the	O
8089	B-Device
in	O
their	O
reference	O
designs	O
(	O
which	O
they	O
also	O
commercialized	O
)	O
as	O
System	O
86	O
.	O
</s>
<s>
Robin	O
Jigour	O
:	O
Prototyping	O
with	O
the	O
8089	B-Device
I/O	O
Processor	O
,	O
Application	O
Note	O
(	O
AP-89	O
)	O
,	O
Mai	O
1980	O
,	O
Order	O
number	O
AFN	O
01153A	O
,	O
Intel	O
Corporation	O
.	O
</s>
<s>
Hard	B-Device
Disk	I-Device
Controller	O
Design	O
Using	O
the	O
8089	B-Device
,	O
Application	O
Note	O
(	O
AP-122	O
)	O
,	O
Order	O
number	O
210202-001	O
,	O
Intel	O
Corporation	O
.	O
</s>
<s>
Graphic	O
CRT	O
Design	O
Using	O
the	O
Intel	B-Device
8089	I-Device
,	O
Application	O
Note	O
(	O
AP-123	O
)	O
,	O
Intel	O
Corporation	O
.	O
</s>
