<s>
The	O
Epson	B-Device
Equity	I-Device
series	O
of	O
IBM	O
Compatible	O
Personal	B-Device
Computers	I-Device
was	O
manufactured	O
from	O
1985	O
until	O
the	O
early	O
'	O
90s	O
by	O
Epson	O
Inc	O
.	O
Epson	O
was	O
well	O
known	O
for	O
its	O
dot	B-General_Concept
matrix	I-General_Concept
printers	O
at	O
the	O
time	O
and	O
the	O
Equity	O
series	O
represents	O
their	O
entry	O
into	O
the	O
growing	O
PC	O
compatible	O
market	O
.	O
</s>
<s>
The	O
Equity	O
I	O
was	O
the	O
first	O
system	O
introduced	O
,	O
equipped	O
with	O
an	O
Intel	B-Device
8088	I-Device
CPU	O
and	O
one	O
or	O
two	O
5.25	B-Device
"	I-Device
floppy	B-Device
disk	I-Device
drives	I-Device
.	O
</s>
<s>
It	O
ran	O
at	O
the	O
PC	O
's	O
standard	O
4.77MHz	O
clock	O
rate	O
,	O
came	O
with	O
256	O
KB	O
RAM	O
,	O
expansion	O
above	O
512	O
KB	O
required	O
an	O
expansion	O
board	O
,	O
displayed	O
CGA	B-Device
video	O
,	O
had	O
few	O
available	O
expansion	O
slots	O
,	O
only	O
two	O
half-height	O
drive	O
bays	O
,	O
and	O
lacked	O
a	O
socket	O
for	O
an	O
8087	B-Device
math	I-Device
chip	I-Device
.	O
</s>
<s>
Subsequent	O
versions	O
,	O
the	O
Equity	O
I+	O
and	O
Apex	O
100	O
,	O
upped	O
the	O
clock	O
rate	O
to	O
10	O
MHz	O
,	O
the	O
standard	O
RAM	O
to	O
640	O
KB	O
,	O
supported	O
3.5-inch	O
floppy	B-Device
drives	I-Device
and	O
hard	O
disks	O
,	O
sported	O
an	O
8087	B-Device
socket	O
,	O
and	O
had	O
a	O
"	O
MGA	O
-	O
Multi-Graphics	O
Adapter	O
"	O
card	O
,	O
offering	O
an	O
Hercules	B-Device
compatible	O
monochrome	O
mode	O
,	O
and	O
a	O
new	O
120x200	O
eight	O
colors	O
mode	O
.	O
</s>
<s>
The	O
Equity	O
I	O
sold	O
well	O
enough	O
to	O
warrant	O
the	O
furtherance	O
of	O
the	O
Equity	O
line	O
with	O
the	O
follow-on	O
Equity	O
II	O
,	O
Equity	O
III	O
,	O
and	O
others	O
based	O
on	O
the	O
i386SX	B-General_Concept
.	O
</s>
