<s>
The	O
Gateway	B-Device
Handbook	I-Device
was	O
a	O
very	O
small	O
and	O
lightweight	O
subnotebook	B-Device
originally	O
introduced	O
by	O
Gateway	O
Computers	O
in	O
1992	O
.	O
</s>
<s>
While	O
it	O
used	O
a	O
Chips	O
and	O
Technologies	O
8680	O
microprocessor	O
,	O
it	O
was	O
marketed	O
as	O
having	O
286-level	O
performance	O
.	O
</s>
<s>
The	O
C&T	O
chip	O
set	O
included	O
hardware	O
emulation	O
of	O
the	O
Intel	O
80186	O
processor	O
and	O
the	O
Handbook	O
used	O
a	O
special	O
feature	O
of	O
the	O
chip	O
set	O
called	O
SuperSet	O
whereby	O
80286	B-General_Concept
instructions	O
were	O
trapped	O
and	O
then	O
emulated	O
in	O
software	O
.	O
</s>
<s>
The	O
Handbook	O
had	O
640KB	O
of	O
RAM	B-Architecture
,	O
a	O
20MB	O
hard	B-Device
drive	I-Device
,	O
and	O
a	O
monochrome	O
blue-white	O
CGA-compatible	O
display	O
.	O
</s>
<s>
A	O
floppy	O
disk	O
was	O
attached	O
through	O
a	O
proprietary	O
parallel	B-Device
port	I-Device
connector	O
.	O
</s>
<s>
After	O
the	O
success	O
of	O
the	O
original	O
Gateway	B-Device
Handbook	I-Device
,	O
Gateway	O
came	O
out	O
with	O
a	O
486	B-General_Concept
model	O
.	O
</s>
<s>
The	O
Handbook	O
486	B-General_Concept
(	O
as	O
it	O
was	O
called	O
)	O
was	O
originally	O
available	O
as	O
two	O
models	O
:	O
A	O
486SX/25	B-Device
and	O
a	O
486DX/40	B-General_Concept
model	O
.	O
</s>
<s>
Gateway	O
later	O
on	O
came	O
out	O
with	O
Handbook	O
486	B-General_Concept
models	O
utilizing	O
a	O
486SX/33	B-Device
or	O
486DX/50	B-General_Concept
processor	O
.	O
</s>
<s>
All	O
of	O
these	O
handbooks	O
used	O
a	O
grayscale	O
640x480	O
VGA	B-Protocol
display	O
.	O
</s>
<s>
Because	O
of	O
the	O
small	O
size	O
of	O
the	O
unit	O
,	O
the	O
display	O
was	O
distorted	O
—	O
what	O
appear	O
as	O
circles	O
on	O
other	O
displays	O
come	O
out	O
as	O
ovals	O
on	O
the	O
Handbook	O
486	B-General_Concept
.	O
</s>
<s>
The	O
built-in	O
hard	B-Device
disk	I-Device
for	O
the	O
Handbook	O
486	B-General_Concept
was	O
usually	O
120MB	O
in	O
size	O
.	O
</s>
<s>
The	O
Handbook	O
486	B-General_Concept
was	O
produced	O
between	O
1993	O
and	O
1995	O
.	O
</s>
<s>
The	O
Handbook	O
486	B-General_Concept
had	O
4MB	O
of	O
built-in	O
RAM	B-Architecture
,	O
which	O
can	O
be	O
expanded	O
to	O
20MB	O
.	O
</s>
<s>
As	O
of	O
2005	O
,	O
it	O
is	O
still	O
possible	O
to	O
buy	O
memory	O
for	O
the	O
Handbook	O
486	B-General_Concept
,	O
although	O
one	O
should	O
test	O
the	O
memory	O
with	O
memtest	B-Application
since	O
memory	O
for	O
older	O
computers	O
is	O
more	O
likely	O
to	O
be	O
defective	O
.	O
</s>
<s>
It	O
was	O
possible	O
to	O
install	O
Linux	B-Application
or	O
OpenBSD	B-Operating_System
on	O
these	O
computers	O
;	O
the	O
Handbook	O
486	B-General_Concept
is	O
probably	O
the	O
earliest	O
Linux-compatible	O
subnotebook	B-Device
released	O
.	O
</s>
<s>
It	O
was	O
even	O
possible	O
to	O
run	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
after	O
the	O
memory	O
was	O
expanded	O
.	O
</s>
<s>
The	O
Handbook	O
486	B-General_Concept
has	O
a	O
PCMCIA	B-Architecture
II	I-Architecture
interface	O
.	O
</s>
<s>
While	O
Modern	O
Cardbus	O
cards	O
do	O
not	O
work	O
with	O
this	O
interface	O
,	O
most	O
older	O
PCMCIA	B-Architecture
II	I-Architecture
cards	O
(	O
as	O
long	O
as	O
they	O
use	O
no	O
more	O
than	O
250mA	O
of	O
power	O
)	O
work	O
fine	O
.	O
</s>
<s>
The	O
Handbook	O
486	B-General_Concept
also	O
has	O
a	O
pointing	O
device	O
similar	O
to	O
the	O
IBM	O
trackpoint	B-Device
located	O
on	O
the	O
right	O
hand	O
side	O
of	O
the	O
keyboard	O
just	O
above	O
the	O
enter	O
key	O
.	O
</s>
<s>
The	O
Gateway	B-Device
Handbook	I-Device
remains	O
one	O
of	O
the	O
smallest	O
laptops	O
ever	O
produced	O
and	O
was	O
a	O
precursor	O
to	O
Netbooks	B-Device
such	O
as	O
the	O
Asus	B-Device
Eee	I-Device
PC	I-Device
,	O
the	O
Dell	B-Application
Inspiron	I-Application
Mini	I-Application
Series	I-Application
,	O
and	O
the	O
Acer	B-Application
Aspire	I-Application
One	I-Application
.	O
</s>
<s>
The	O
Acer	B-Application
Aspire	I-Application
One	I-Application
is	O
about	O
the	O
same	O
size	O
as	O
the	O
Handbook	O
,	O
and	O
exists	O
in	O
a	O
Gateway-branded	O
form	O
as	O
the	O
Gateway	O
LT1004u	O
.	O
</s>
