<s>
DolphinDOS	B-Device
is	O
a	O
hardware	O
expansion	O
for	O
the	O
Commodore	O
computers	O
and	O
floppy	O
disk	O
drives	O
like	O
Commodore	B-Device
1541	I-Device
,	O
1541-II	O
,	O
Commodore	B-Device
1571	I-Device
.	O
</s>
<s>
It	O
combined	O
the	O
disk	O
controller	O
side	O
RAM	O
expansion	O
and	O
firmware	B-Application
replacement	O
with	O
computer	O
side	O
KERNAL	B-Operating_System
replacement	O
and	O
additional	O
Parallel	O
connection	O
between	O
the	O
disk	O
drive	O
controller	O
and	O
the	O
computer	O
.	O
</s>
