<s>
A	O
bus	B-Device
mouse	I-Device
is	O
a	O
variety	O
of	O
PC	O
computer	B-Device
mouse	I-Device
which	O
is	O
attached	O
to	O
the	O
computer	O
using	O
a	O
specialized	O
interface	O
(	O
originally	O
,	O
the	O
Microsoft	B-Device
InPort	I-Device
interface	O
developed	O
for	O
Microsoft	O
's	O
original	O
mouse	O
product	O
)	O
.	O
</s>
<s>
In	O
the	O
late	O
1980s	O
,	O
mice	O
were	O
not	O
integrated	O
with	O
IBM-compatible	O
personal	O
computers	O
,	O
and	O
the	O
specialized	O
bus	O
interface	O
(	O
implemented	O
via	O
an	O
ISA	B-Architecture
add-in	O
card	O
)	O
was	O
one	O
of	O
two	O
popular	O
ways	O
to	O
connect	O
a	O
mouse	O
;	O
serial	B-Protocol
interfaces	I-Protocol
were	O
the	O
other	O
method	O
.	O
</s>
<s>
In	O
addition	O
to	O
Microsoft	O
,	O
Logitech	O
also	O
made	O
bus	B-Device
mouse	I-Device
interface	O
cards	O
.	O
</s>
<s>
When	O
the	O
IBM	B-Device
PS/2	I-Device
was	O
introduced	O
,	O
it	O
included	O
a	O
motherboard	B-Device
mouse	O
interface	O
which	O
was	O
integrated	O
with	O
the	O
keyboard	B-Device
controller	O
(	O
still	O
called	O
the	O
PS/2	B-Protocol
mouse	I-Protocol
interface	O
long	O
after	O
the	O
PS/2	B-Device
brand	O
was	O
withdrawn	O
)	O
;	O
this	O
fairly	O
quickly	O
drove	O
the	O
bus	B-Device
mouse	I-Device
design	O
out	O
of	O
the	O
marketplace	O
.	O
</s>
<s>
The	O
bus	B-Device
mouse	I-Device
lived	O
on	O
in	O
the	O
NEC	B-Operating_System
PC-98	I-Operating_System
family	O
of	O
personal	O
computers	O
in	O
Japan	O
.	O
</s>
