<s>
The	O
Eazy	B-Device
PC	I-Device
(	O
stylized	O
as	O
eaZy	B-Device
pc	I-Device
)	O
is	O
an	O
all-in-one	B-Device
IBM	O
PC	O
compatible	O
computer	O
manufactured	O
by	O
Zenith	O
Data	O
Systems	O
(	O
ZDS	O
)	O
starting	O
in	O
1987	O
.	O
</s>
<s>
This	O
small-form-factor	O
XT-compatible	O
system	O
has	O
some	O
distinctive	O
features	O
,	O
such	O
as	O
using	O
an	O
NEC	B-Device
V40	I-Device
CPU	B-General_Concept
.	O
</s>
<s>
The	O
Eazy	B-Device
PC	I-Device
was	O
designed	O
to	O
be	O
a	O
simple	O
,	O
cost-effective	O
computer	O
for	O
the	O
home	O
.	O
</s>
<s>
The	O
Eazy	B-Device
PC	I-Device
is	O
an	O
all-in-one	B-Device
system	O
:	O
the	O
CRT	B-Device
monitor	I-Device
and	O
its	O
tilt/swivel	O
base	O
are	O
permanently	O
attached	O
to	O
the	O
base	O
unit	O
and	O
cannot	O
be	O
upgraded	O
.	O
</s>
<s>
The	O
graphics	O
chip	O
supports	O
CGA	B-Device
video	O
with	O
a	O
maximum	O
resolution	O
of	O
640	O
by	O
200	O
pixels	O
which	O
is	O
double-scanned	O
to	O
400	O
vertical	O
pixel	O
resolution	O
,	O
providing	O
crisp	O
characters	O
in	O
text	O
mode	O
.	O
</s>
<s>
The	O
lower	O
case	O
holding	O
the	O
mainboard	B-Device
measures	O
in	O
width	O
,	O
depth	O
,	O
and	O
height	O
respectively	O
.	O
</s>
<s>
The	O
included	O
detached	O
keyboard	O
plugs	O
into	O
a	O
5-pin	O
DIN	B-Architecture
connector	I-Architecture
on	O
the	O
left	O
side	O
.	O
</s>
<s>
On	O
the	O
rear	O
of	O
the	O
system	B-General_Concept
unit	I-General_Concept
are	O
a	O
DE-09M	B-Protocol
port	O
for	O
a	O
serial	O
mouse	O
,	O
a	O
DB-25F	B-Protocol
parallel	O
port	O
,	O
and	O
a	O
proprietary	O
"	O
option	O
"	O
port	O
that	O
is	O
a	O
64-pin	O
two	O
row	O
pin	B-Protocol
header	I-Protocol
for	O
external	O
modules	O
.	O
</s>
<s>
The	O
CPU	B-General_Concept
in	O
the	O
Eazy	B-Device
PC	I-Device
is	O
an	O
NEC	B-Device
V40	I-Device
microprocessor	O
running	O
at	O
a	O
clock	O
speed	O
of	O
7.16MHz	O
,	O
but	O
able	O
to	O
be	O
slowed	O
to	O
the	O
4.77MHz	O
speed	O
of	O
a	O
standard	O
XT	B-Device
.	O
</s>
<s>
Like	O
the	O
NEC	B-Device
V20	I-Device
,	O
the	O
V40	O
is	O
object-code	O
compatible	O
with	O
the	O
Intel	B-Device
8088	I-Device
,	O
but	O
the	O
V40	O
includes	O
some	O
integrated	O
peripherals	O
that	O
would	O
otherwise	O
require	O
additional	O
circuitry	O
on	O
the	O
mainboard	B-Device
.	O
</s>
<s>
The	O
BIOS	B-Operating_System
used	O
was	O
both	O
designed	O
and	O
supplied	O
by	O
Vadem	O
.	O
</s>
<s>
The	O
mainboard	B-Device
was	O
noteworthy	O
among	O
contemporary	O
IBM	O
PC	O
compatible	O
systems	O
of	O
its	O
class	O
for	O
its	O
extensive	O
use	O
of	O
large	O
scale	O
integration	O
(	O
LSI	O
)	O
ICs	O
and	O
low-power	O
CMOS	B-Device
chips	O
—	O
as	O
ZDS	O
had	O
been	O
using	O
in	O
their	O
portable	B-Device
computers	I-Device
.	O
</s>
<s>
Locating	O
the	O
system	O
power	O
supply	O
inside	O
the	O
monitor	O
permitted	O
a	O
smaller	O
mainboard	B-Device
enclosure	O
.	O
</s>
<s>
ZDS	O
offered	O
the	O
Eazy	B-Device
PC	I-Device
in	O
three	O
configurations	O
:	O
</s>
<s>
Models	O
1	O
and	O
2	O
were	O
equipped	O
with	O
lower-wattage	O
power	O
supplies	O
unable	O
to	O
support	O
the	O
addition	O
of	O
a	O
hard	B-Device
drive	I-Device
.	O
</s>
<s>
The	O
components	O
inside	O
Models	O
1	O
and	O
2	O
were	O
also	O
arranged	O
differently	O
from	O
the	O
Model3	O
,	O
in	O
a	O
way	O
that	O
makes	O
it	O
impossible	O
to	O
install	O
an	O
aftermarket	O
hard	B-Device
drive	I-Device
.	O
</s>
<s>
Unlike	O
most	O
other	O
PC	O
compatibles	O
,	O
there	O
are	O
no	O
internal	O
ISA	B-Architecture
expansion	O
slots	O
.	O
</s>
<s>
Omitting	O
these	O
slots	O
,	O
combined	O
with	O
the	O
use	O
of	O
LSI	O
and	O
CMOS	B-Device
electronics	O
,	O
kept	O
the	O
system	O
's	O
total	O
power	O
dissipation	O
low	O
enough	O
to	O
eliminate	O
the	O
need	O
for	O
a	O
cooling	O
fan	O
,	O
resulting	O
in	O
quieter	O
operation	O
.	O
</s>
<s>
Besides	O
the	O
absence	O
of	O
expansion	O
slots	O
,	O
the	O
Eazy	B-Device
PC	I-Device
's	O
mainboard	B-Device
lacked	O
a	O
socket	O
for	O
a	O
floating-point	B-General_Concept
unit	I-General_Concept
like	O
the	O
Intel	B-Device
8087	I-Device
.	O
</s>
<s>
The	O
Eazy	B-Device
PC	I-Device
's	O
only	O
aftermarket	O
options	O
were	O
sold	O
by	O
ZDS	O
,	O
and	O
included	O
a	O
mouse	O
,	O
an	O
internal	O
real-time	O
clock	O
module	O
,	O
and	O
two	O
external	O
modules	O
.	O
</s>
<s>
The	O
Eazy	B-Device
PC	I-Device
came	O
bundled	O
with	O
MS-DOS	B-Application
3.21	O
,	O
GW-BASIC	B-Language
,	O
and	O
version	O
1	O
of	O
MS-DOS	B-Application
Manager	O
,	O
a	O
character-based	O
windowing	O
file	B-Application
manager	I-Application
described	O
as	O
a	O
precursor	O
to	O
the	O
later	O
DOS	B-Application
Shell	I-Application
.	O
</s>
<s>
When	O
configured	O
to	O
stay	O
resident	O
in	O
memory	O
,	O
MS-DOS	B-Application
Manager	O
uses	O
at	O
least	O
111KB	O
,	O
preventing	O
some	O
larger	O
applications	O
—	O
in	O
InfoWorld	O
writer	O
Lewis	O
Perdue	O
's	O
experience	O
,	O
MultiMate	B-Protocol
Advantage	I-Protocol
—	O
from	O
working	O
at	O
all	O
without	O
the	O
128KB	O
provided	O
by	O
the	O
expansion	O
modules	O
.	O
</s>
<s>
The	O
same	O
reviewer	O
also	O
reported	O
difficulty	O
running	O
certain	O
applications	O
from	O
floppy	O
disk	O
without	O
the	O
computer	O
freezing	O
,	O
throwing	O
errors	O
,	O
or	O
failing	O
to	O
boot	O
—	O
deeming	O
the	O
Eazy	B-Device
PC	I-Device
not	O
fully	O
IBM	O
PC	O
compatible	O
in	O
his	O
summary	O
of	O
the	O
machine	O
.	O
</s>
<s>
The	O
Eazy	B-Device
PC	I-Device
was	O
designed	O
and	O
developed	O
by	O
Zenith	O
Data	O
Systems	O
and	O
Vadem	O
,	O
the	O
latter	O
being	O
an	O
original	O
design	O
manufacturer	O
based	O
in	O
San	O
Jose	O
,	O
California	O
.	O
</s>
<s>
ZDS	O
marketed	O
the	O
Eazy	B-Device
PC	I-Device
as	O
an	O
"	O
entry-level	O
machine	O
"	O
,	O
suitable	O
for	O
"	O
novice	O
or	O
first-time	O
computer	O
users	O
"	O
and	O
"	O
business	O
executives	O
who	O
bring	O
work	O
home	O
"	O
.	O
</s>
<s>
ZDS	O
had	O
previously	O
earned	O
a	O
reputation	O
in	O
the	O
computer	O
industry	O
for	O
producing	O
high	O
performance	O
systems	O
—	O
especially	O
portables	B-Device
—	O
and	O
were	O
a	O
major	O
supplier	O
to	O
governments	O
and	O
institutions	O
.	O
</s>
<s>
ZDS	O
discontinued	O
the	O
Eazy	B-Device
PC	I-Device
in	O
early	O
1990	O
.	O
</s>
<s>
At	O
least	O
one	O
discount	O
catalog	O
company	O
,	O
Damark	O
,	O
offered	O
the	O
Eazy	B-Device
PC	I-Device
with	O
the	O
hard	B-Device
drive	I-Device
configuration	O
for	O
as	O
late	O
as	O
September	O
1990	O
.	O
</s>
<s>
He	O
found	O
that	O
the	O
Eazy	B-Device
PC	I-Device
ranked	O
second-to-last	O
place	O
,	O
beating	O
only	O
the	O
Leading	B-Device
Edge	I-Device
Model	I-Device
D	I-Device
,	O
finishing	O
its	O
calculating	O
at	O
just	O
under	O
51	O
minutes	O
—	O
almost	O
20	O
minutes	O
faster	O
than	O
the	O
Model	O
D	O
but	O
over	O
20	O
minutes	O
slower	O
than	O
the	O
AT&T	B-Operating_System
6300	I-Operating_System
.	O
</s>
<s>
Perdue	O
criticized	O
the	O
Eazy	B-Device
PC	I-Device
as	O
"	O
neither	O
simple	O
enough	O
for	O
novices	O
nor	O
powerful	O
enough	O
for	O
business	O
users	O
"	O
,	O
and	O
strongly	O
disliked	O
the	O
lack	O
of	O
upgradability	O
.	O
</s>
<s>
Except	O
for	O
word	O
processing	O
,	O
he	O
found	O
the	O
Eazy	B-Device
PC	I-Device
inadequate	O
for	O
any	O
other	O
purpose	O
,	O
citing	O
its	O
instability	O
when	O
testing	O
several	O
popular	O
IBM	O
PC	O
programs	O
on	O
it	O
and	O
lack	O
of	O
support	O
for	O
local	B-General_Concept
area	I-General_Concept
networks	I-General_Concept
—	O
severely	O
limiting	O
its	O
usefulness	O
in	O
schools	O
and	O
businesses	O
.	O
</s>
<s>
The	O
only	O
high	O
mark	O
Perdue	O
gave	O
the	O
system	O
was	O
in	O
setup	O
—	O
he	O
was	O
able	O
to	O
unpack	O
and	O
get	O
the	O
Eazy	B-Device
PC	I-Device
running	O
in	O
roughly	O
10	O
minutes	O
.	O
</s>
<s>
In	O
contrast	O
,	O
PC	O
Magazine	O
writer	O
Robert	O
Aarons	O
praised	O
the	O
Eazy	B-Device
PC	I-Device
as	O
well-designed	O
,	O
remarking	O
that	O
the	O
case	O
holding	O
the	O
system	B-Device
board	I-Device
could	O
be	O
mistaken	O
for	O
a	O
"	O
fancy	O
monitor	O
stand	O
"	O
and	O
calling	O
ZDS	O
courageous	O
for	O
making	O
a	O
PC	O
clone	O
lacking	O
the	O
visual	O
hallmarks	O
of	O
one	O
.	O
</s>
<s>
Although	O
he	O
found	O
the	O
Eazy	B-Device
PC	I-Device
's	O
processing	O
speed	O
slightly	O
lower	O
that	O
of	O
other	O
computers	O
with	O
a	O
similar	O
CPU	B-General_Concept
and	O
RAM	O
and	O
its	O
hard	B-Device
drive	I-Device
the	O
slowest	O
in	O
its	O
class	O
,	O
second	O
to	O
IBM	O
's	O
PS/2	B-Device
Model	I-Device
25	I-Device
,	O
he	O
rated	O
it	O
a	O
good	O
value	O
for	O
college	O
students	O
,	O
casual	O
home	O
users	O
and	O
office	O
users	O
with	O
minimal	O
needs	O
.	O
</s>
<s>
Robert	O
Lander	O
of	O
Your	O
Computer	O
commended	O
ZDS	O
for	O
adopting	O
3.5-inch	O
disks	O
for	O
the	O
Eazy	B-Device
PC	I-Device
,	O
calling	O
the	O
decision	O
forward-thinking	O
,	O
and	O
expressed	O
appreciation	O
for	O
its	O
industrial	O
design	O
and	O
the	O
quality	O
of	O
its	O
monitor	O
and	O
keyboard	O
.	O
</s>
<s>
Like	O
Perdue	O
,	O
he	O
criticized	O
the	O
computer	O
's	O
lack	O
of	O
expansion	O
,	O
and	O
like	O
Aarons	O
he	O
found	O
the	O
hard	B-Device
drive	I-Device
of	O
the	O
Model3	O
slow	O
when	O
programs	O
wrote	O
to	O
it	O
.	O
</s>
<s>
Robert	O
Scibilia	O
of	O
Popular	O
Mechanics	O
likened	O
the	O
Eazy	B-Device
PC	I-Device
to	O
the	O
Macintosh	B-Device
:	O
"	O
a	O
simple	O
1-box	O
computing	O
appliance	O
that	O
does	O
its	O
job	O
with	O
a	O
minimum	O
of	O
fuss	O
"	O
.	O
</s>
