<s>
The	O
Epson	B-Device
PX-8	I-Device
a.k.a.	O
</s>
<s>
Geneva	O
was	O
a	O
small	O
laptop	B-Device
computer	I-Device
made	O
by	O
the	O
Epson	O
Corporation	O
in	O
the	O
mid-1980s	O
.	O
</s>
<s>
It	O
had	O
a	O
Z80	B-General_Concept
compatible	O
microprocessor	O
,	O
and	O
ran	O
a	O
customized	O
version	O
of	O
the	O
CP/M	B-Application
-80	I-Application
operating	B-General_Concept
system	I-General_Concept
as	O
well	O
as	O
various	O
applications	O
from	O
a	O
pair	O
of	O
ROM	O
cartridge	O
slots	O
which	O
were	O
treated	O
as	O
drives	O
.	O
</s>
<s>
The	O
intelligent	O
RAM	O
disk	O
module	O
had	O
its	O
own	O
Z80	B-General_Concept
processor	O
with	O
a	O
backup	O
battery	O
.	O
</s>
<s>
The	O
disk	O
drives	O
from	O
the	O
HX-20	B-Device
could	O
also	O
be	O
used	O
.	O
</s>
<s>
For	O
the	O
ROM	O
cartridge	O
slots	O
a	O
number	O
of	O
applications	O
were	O
available	O
:	O
Basic	O
,	O
CP/M	B-Application
utilities	O
,	O
Portable	O
WordStar	B-Application
,	O
CalcStar	O
,	O
Scheduler	O
,	O
dBase	O
II	O
and	O
Portable	O
Cardbox-Plus	O
.	O
</s>
<s>
The	O
PX-8	O
was	O
not	O
initially	O
a	O
commercial	O
success	O
,	O
especially	O
compared	O
against	O
the	O
TRS-80	B-Operating_System
Model	I-Operating_System
100	I-Operating_System
portable	O
computer	O
but	O
achieved	O
some	O
increased	O
success	O
after	O
a	O
large	O
number	O
were	O
sold	O
discounted	O
in	O
the	O
United	O
States	O
through	O
the	O
DAK	O
Catalog	O
.	O
</s>
<s>
The	O
PX-8	O
combined	O
some	O
of	O
the	O
features	O
from	O
its	O
predecessors	O
,	O
the	O
HX-20	B-Device
being	O
portable	O
,	O
battery	O
operated	O
and	O
the	O
QX-10	B-Device
being	O
CP/M	B-Application
compatible	O
.	O
</s>
<s>
In	O
1985	O
,	O
Epson	O
introduced	O
the	O
PX-4	B-Device
,	O
combining	O
features	O
from	O
both	O
the	O
PX-8	O
and	O
the	O
HX-20	B-Device
.	O
</s>
<s>
BYTE	B-Application
in	O
February	O
1985	O
called	O
the	O
PX-8	O
"	O
a	O
good	O
second	O
computer	O
,	O
especially	O
for	O
people	O
with	O
CP/M	B-Application
systems	O
"	O
or	O
WordStar	B-Application
users	O
.	O
</s>
<s>
The	O
magazine	O
approved	O
of	O
its	O
documentation	O
and	O
tape	O
storage	O
,	O
and	O
described	O
the	O
display	O
as	O
"	O
acceptable	O
"	O
but	O
less	O
legible	O
than	O
the	O
Model	B-Operating_System
100	I-Operating_System
's	O
.	O
</s>
<s>
BYTE	B-Application
concluded	O
that	O
"	O
after	O
the	O
disappointment	O
of	O
the	O
Epson	B-Device
HX-20	I-Device
,	O
the	O
Geneva	O
PX-8	O
represents	O
a	O
giant	O
improvement	O
.	O
</s>
