<s>
The	O
NEC	O
PC-6600	B-Device
Series	I-Device
were	O
a	O
lineup	O
of	O
personal	B-Device
computers	I-Device
produced	O
by	O
the	O
NEC	O
Corporation	O
in	O
1985	O
.	O
</s>
<s>
They	O
were	O
essentially	O
a	O
PC-6001	B-Device
MK2	I-Device
with	O
a	O
built-in	O
3.5	B-Device
"	I-Device
floppy	I-Device
disk	I-Device
drive	B-Device
.	O
</s>
<s>
Two	O
models	O
in	O
this	O
series	O
were	O
produced	O
:	O
the	O
PC-6601	B-Device
and	O
the	O
PC-6601	B-Device
SR	O
.	O
</s>
