<s>
The	O
Macintosh	B-Device
LC	I-Device
is	O
a	O
personal	B-Device
computer	I-Device
designed	O
,	O
manufactured	O
,	O
and	O
sold	O
by	O
Apple	O
Computer	O
,	O
Inc	O
.	O
from	O
October	O
1990	O
to	O
March	O
1992	O
.	O
</s>
<s>
The	O
first	O
in	O
the	O
Macintosh	B-Device
LC	I-Device
family	I-Device
,	O
the	O
LC	O
was	O
introduced	O
with	O
the	O
Macintosh	B-Device
Classic	I-Device
(	O
a	O
repackaging	O
of	O
the	O
older	O
Macintosh	B-Device
SE	I-Device
)	O
and	O
the	O
Macintosh	B-Device
IIsi	I-Device
(	O
a	O
new	O
entry-level	O
machine	O
for	O
the	O
Macintosh	B-Device
II	I-Device
series	I-Device
)	O
,	O
and	O
offered	O
for	O
half	O
the	O
price	O
of	O
the	O
Macintosh	B-Device
II	I-Device
but	O
significantly	O
lesser	O
in	O
performance	O
overall	O
.	O
</s>
<s>
The	O
creation	O
of	O
the	O
LC	O
was	O
prompted	O
by	O
Apple	O
's	O
desire	O
to	O
produce	O
a	O
product	O
that	O
could	O
be	O
sold	O
to	O
school	O
boards	O
for	O
the	O
same	O
price	O
as	O
an	O
Apple	B-Device
IIGS	I-Device
.	O
</s>
<s>
The	O
computer	O
had	O
a	O
$	O
2,400	O
list	O
price	O
;	O
it	O
and	O
the	O
new	O
$600	O
12-inch	O
color	O
display	O
were	O
$	O
3,500	O
less	O
expensive	O
than	O
the	O
Macintosh	B-Device
II	I-Device
.	O
</s>
<s>
Not	O
long	O
after	O
the	O
Apple	B-Device
IIe	I-Device
Card	I-Device
was	O
introduced	O
for	O
the	O
LC	O
,	O
Apple	O
quietly	O
removed	O
the	O
IIGS	B-Device
from	O
its	O
price	O
list	O
,	O
forceably	O
retiring	O
it	O
,	O
as	O
the	O
company	O
wanted	O
to	O
focus	O
its	O
sales	O
and	O
marketing	O
efforts	O
on	O
the	O
LC	O
.	O
</s>
<s>
The	O
original	O
Macintosh	B-Device
LC	I-Device
was	O
introduced	O
in	O
October	O
1990	O
,	O
with	O
initial	O
shipments	O
to	O
dealers	O
following	O
in	O
December	O
and	O
January	O
.	O
</s>
<s>
It	O
was	O
replaced	O
by	O
Macintosh	B-Device
LC	I-Device
II	I-Device
,	O
which	O
was	O
largely	O
the	O
same	O
but	O
was	O
built	O
around	O
a	O
Motorola	B-Device
68030	I-Device
processor	O
.	O
</s>
<s>
The	O
LC	O
uses	O
a	O
"	B-General_Concept
pizza	I-General_Concept
box	I-General_Concept
"	I-General_Concept
case	I-General_Concept
with	O
a	O
Processor	B-Device
Direct	I-Device
Slot	I-Device
(	O
PDS	O
)	O
but	O
no	O
NuBus	B-Device
slots	O
.	O
</s>
<s>
It	O
has	O
a	O
16MHz	O
Motorola	B-Device
68020	I-Device
microprocessor	O
which	O
lacks	O
a	O
floating-point	B-Algorithm
coprocessor	B-General_Concept
(	O
although	O
one	O
could	O
be	O
added	O
via	O
the	O
PDS	O
)	O
.	O
</s>
<s>
The	O
LC	O
has	O
a	O
16-bit	O
data	O
bus	O
,	O
which	O
is	O
a	O
major	O
performance	O
bottleneck	O
as	O
the	O
68020	B-Device
is	O
a	O
32-bit	O
CPU	O
.	O
</s>
<s>
Many	O
programs	O
written	O
for	O
color	O
Macintosh	B-Device
II	I-Device
family	I-Device
computers	O
had	O
assumed	O
this	O
as	O
a	O
minimum	O
,	O
and	O
some	O
were	O
unusable	O
at	O
the	O
lower	O
resolution	O
.	O
</s>
<s>
Overall	O
,	O
general	O
performance	O
of	O
the	O
machine	O
was	O
disappointing	O
due	O
to	O
the	O
crippling	O
data	O
bus	O
bottleneck	O
,	O
making	O
it	O
run	O
far	O
slower	O
than	O
the	O
16MHz	O
68020-based	O
Macintosh	B-Device
II	I-Device
from	O
1987	O
,	O
which	O
had	O
an	O
identical	O
processor	O
but	O
ran	O
almost	O
twice	O
as	O
fast	O
.	O
</s>
<s>
One	O
difference	O
between	O
the	O
Mac	B-Device
II	I-Device
and	O
the	O
Mac	B-Device
LC	I-Device
is	O
the	O
latter	O
had	O
no	O
socket	O
for	O
a	O
68851	O
MMU	O
.	O
</s>
<s>
Therefore	O
,	O
it	O
could	O
not	O
take	O
advantage	O
of	O
System	B-Operating_System
7	I-Operating_System
's	O
virtual	O
memory	O
features	O
.	O
</s>
<s>
The	O
standard	O
configuration	O
included	O
a	O
floppy	O
drive	O
and	O
a	O
40MB	O
or	O
80MB	O
hard	O
drive	O
,	O
but	O
a	O
version	O
was	O
available	O
for	O
the	O
education	O
market	O
which	O
had	O
an	O
Apple	O
II	O
card	O
in	O
the	O
PDS	B-Device
slot	I-Device
,	O
two	O
floppy	O
drives	O
,	O
and	O
no	O
hard	O
drive	O
.	O
</s>
<s>
The	O
LC	O
,	O
as	O
with	O
other	O
Macs	O
of	O
the	O
day	O
,	O
featured	O
built-in	O
networking	O
on	O
the	O
serial	O
port	O
using	O
LocalTalk	B-Device
.	O
</s>
<s>
Ethernet	O
was	O
also	O
available	O
as	O
an	O
option	O
via	O
the	O
single	O
PDS	B-Device
slot	I-Device
.	O
</s>
<s>
The	O
Apple	B-Device
IIe	I-Device
Card	I-Device
for	O
the	O
PDS	B-Device
slot	I-Device
was	O
offered	O
in	O
a	O
bundle	O
with	O
education	O
models	O
of	O
the	O
LCs	O
.	O
</s>
<s>
The	O
card	O
allowed	O
the	O
LC	O
to	O
emulate	O
an	O
Apple	B-Device
IIe	I-Device
.	O
</s>
<s>
The	O
combination	O
of	O
a	O
low-cost	O
color	O
Macintosh	O
with	O
Apple	B-Device
IIe	I-Device
compatibility	O
was	O
intended	O
to	O
encourage	O
the	O
education	O
market	O
to	O
transition	O
from	O
aging	O
Apple	O
II	O
models	O
to	O
the	O
Macintosh	O
platform	O
instead	O
of	O
to	O
the	O
new	O
low-cost	O
IBM	O
PC	O
compatibles	O
.	O
</s>
<s>
Despite	O
the	O
LC	O
's	O
minimal	O
video	O
specs	O
with	O
a	O
12	O
"	O
monitor	O
,	O
any	O
LC	O
that	O
supports	O
the	O
card	O
can	O
be	O
switched	O
into	O
560×384	O
resolution	O
for	O
better	O
compatibility	O
with	O
the	O
IIe	B-Device
's	O
280×192	O
High-Resolution	O
graphics	O
(	O
essentially	O
doubled	O
)	O
.	O
</s>
<s>
Macintosh	B-Device
LC	I-Device
:	O
2	O
MB	O
RAM	O
,	O
40	O
MB	O
HDD	O
.	O
</s>
