<s>
The	O
ProFile	O
(	O
codenamed	O
Pippin	O
)	O
was	O
the	O
first	O
hard	B-Device
disk	I-Device
drive	I-Device
produced	O
by	O
Apple	O
Computer	O
,	O
initially	O
for	O
use	O
with	O
the	O
Apple	B-Device
III	I-Device
personal	B-Device
computer	I-Device
.	O
</s>
<s>
The	O
original	O
model	O
had	O
a	O
formatted	O
capacity	O
of	O
5	O
MB	O
and	O
connected	O
to	O
a	O
special	O
interface	O
card	O
that	O
plugged	O
into	O
an	O
Apple	B-Device
III	I-Device
slot	O
.	O
</s>
<s>
In	O
1983	O
,	O
Apple	O
offered	O
a	O
ProFile	O
interface	O
card	O
for	O
the	O
Apple	B-Device
II	I-Device
,	O
with	O
software	O
support	O
for	O
Apple	B-Operating_System
ProDOS	I-Operating_System
and	O
Apple	B-Operating_System
Pascal	I-Operating_System
.	O
</s>
<s>
Additionally	O
,	O
in	O
1983	O
,	O
Apple	O
introduced	O
the	O
Lisa	B-Device
computer	O
,	O
which	O
was	O
normally	O
sold	O
with	O
a	O
ProFile	O
.	O
</s>
<s>
The	O
ProFile	O
could	O
be	O
connected	O
to	O
the	O
built-in	O
parallel	O
port	O
of	O
the	O
Lisa	B-Device
,	O
or	O
to	O
a	O
port	O
on	O
an	O
optional	O
dual-port	O
parallel	O
interface	O
card	O
.	O
</s>
<s>
Up	O
to	O
three	O
such	O
interface	O
cards	O
could	O
be	O
installed	O
,	O
so	O
in	O
principle	O
up	O
to	O
seven	O
ProFile	O
drives	O
could	O
be	O
used	O
on	O
a	O
Lisa	B-Device
.	O
</s>
<s>
The	O
5	O
MB	O
ProFile	O
was	O
Apple	O
's	O
first	O
hard	B-Device
drive	I-Device
,	O
and	O
was	O
introduced	O
in	O
September	O
1981	O
at	O
a	O
price	O
of	O
.	O
</s>
<s>
Later	O
,	O
a	O
10	O
MB	O
model	O
was	O
offered	O
,	O
but	O
required	O
an	O
upgraded	O
PROM/interface	O
card	O
to	O
recognize	O
the	O
additional	O
5	O
MB	O
.	O
</s>
<s>
Internally	O
,	O
the	O
ProFile	O
consisted	O
of	O
a	O
bare	O
Seagate	O
ST-506	B-Device
stepper	O
motor	O
drive	O
and	O
mechanism	O
,	O
without	O
the	O
usual	O
Seagate	O
electronics	O
,	O
a	O
digital	O
and	O
an	O
analog	O
circuit	O
board	O
designed	O
and	O
manufactured	O
by	O
Apple	O
,	O
and	O
a	O
power	O
supply	O
.	O
</s>
<s>
Later	O
Lisa	B-Device
models	O
could	O
be	O
configured	O
with	O
an	O
internal	O
10	O
MB	O
"	O
Widget	O
"	O
voice-coil	B-Device
drive	O
with	O
a	O
proprietary	O
controller	O
designed	O
and	O
built	O
entirely	O
by	O
Apple	O
,	O
but	O
the	O
Widget	O
was	O
never	O
offered	O
as	O
an	O
external	O
product	O
for	O
use	O
with	O
other	O
Apple	O
computers	O
.	O
</s>
<s>
Apple	O
did	O
not	O
offer	O
another	O
hard	B-Device
drive	I-Device
until	O
it	O
released	O
the	O
Hard	B-Device
Disk	I-Device
20	I-Device
designed	O
specifically	O
for	O
the	O
Macintosh	B-Device
512K	I-Device
in	O
September	O
1985	O
which	O
could	O
not	O
be	O
used	O
on	O
the	O
Apple	B-Device
II	I-Device
or	O
III	O
families	O
,	O
or	O
Lisa	B-Device
series	O
.	O
</s>
<s>
The	O
ProFile	O
could	O
not	O
be	O
used	O
on	O
the	O
Macintosh	O
or	O
the	O
Apple	O
IIc	O
(	O
for	O
which	O
Apple	O
never	O
offered	O
an	O
external	O
hard	B-Device
disk	I-Device
drive	I-Device
of	O
any	O
kind	O
)	O
.	O
</s>
<s>
By	O
September	O
1986	O
,	O
the	O
ProFile	O
would	O
be	O
superseded	O
by	O
the	O
introduction	O
of	O
the	O
first	O
cross-platform	O
Hard	B-Device
Disk	I-Device
20SC	I-Device
SCSI-based	O
drive	O
for	O
the	O
Macintosh	O
and	O
interface	O
card	O
for	O
the	O
Apple	B-Device
II	I-Device
family	O
(	O
excluding	O
the	O
IIc	O
series	O
,	O
which	O
had	O
no	O
SCSI	O
interface	O
of	O
any	O
kind	O
)	O
and	O
Lisa/XL	O
series	O
.	O
</s>
