<s>
The	O
Commodore	B-Device
8060	I-Device
,	O
8061	O
,	O
and	O
8062	O
are	O
a	O
series	O
of	O
8	B-Device
"	I-Device
floppy	B-Device
disk	I-Device
drives	I-Device
developed	O
by	O
Commodore	O
Business	O
Machines	O
.	O
</s>
<s>
These	O
disk	O
drives	O
use	O
the	O
parallel	O
interface	O
IEEE-488	O
to	O
connect	O
with	O
Commodore	O
's	O
PET	B-Device
and	O
CBM-II	B-Device
line	O
of	O
microcomputers	O
.	O
</s>
<s>
The	O
8060	O
is	O
a	O
single-disk	O
model	O
,	O
while	O
the	O
8061	O
and	O
8062	O
are	O
both	O
double-drive	O
models	O
similar	O
to	O
the	O
later	O
Commodore	B-Device
8280	I-Device
8	B-Device
"	I-Device
drive	O
.	O
</s>
<s>
All	O
of	O
the	O
models	O
in	O
the	O
8060	O
series	O
use	O
Commodore	O
group	B-Device
coded	I-Device
recording	I-Device
(	O
GCR	B-Device
)	O
for	O
disk	O
reading	O
and	O
writing	O
;	O
the	O
later	O
8061	O
and	O
8062	O
models	O
can	O
also	O
read	O
and	O
write	O
IBM	O
3740	O
format	O
disks	O
.	O
</s>
<s>
Each	O
drive	O
in	O
the	O
series	O
contains	O
two	O
MOS	B-General_Concept
6502	I-General_Concept
microprocessors	O
for	O
operating	O
the	O
disk	B-General_Concept
controllers	I-General_Concept
and	O
executing	O
the	O
built-in	O
disk	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
.	O
</s>
<s>
The	O
built-in	O
operating	O
system	O
is	O
CBM	B-Device
DOS	I-Device
2.7	I-Device
.	O
</s>
