<s>
The	O
HP	O
200LX	B-Device
Palmtop	I-Device
PC	I-Device
(	O
F1060A	O
,	O
F1061A	O
,	O
F1216A	O
)	O
,	O
also	O
known	O
as	O
project	B-Device
Felix	I-Device
,	O
is	O
a	O
personal	B-Application
digital	I-Application
assistant	I-Application
introduced	O
by	O
Hewlett-Packard	O
in	O
August	O
1994	O
.	O
</s>
<s>
It	O
was	O
often	O
called	O
a	O
Palmtop	B-Device
PC	I-Device
,	O
and	O
it	O
was	O
notable	O
that	O
it	O
was	O
,	O
with	O
some	O
minor	O
exceptions	O
,	O
a	O
MS-DOS-compatible	O
computer	O
in	O
a	O
palmtop	O
format	O
,	O
complete	O
with	O
a	O
monochrome	O
graphic	O
display	O
,	O
QWERTY	O
keyboard	O
,	O
serial	B-Protocol
port	I-Protocol
,	O
and	O
PCMCIA	B-Architecture
expansion	O
slot	O
.	O
</s>
<s>
Input	O
is	O
accomplished	O
via	O
a	O
small	O
QWERTY-keyboard	O
with	O
a	O
numeric	O
keypad	O
,	O
enclosed	O
in	O
a	O
clamshell-style	O
case	O
,	O
less	O
than	O
about	O
25%	O
of	O
the	O
size	O
of	O
a	O
standard	O
notebook	B-Device
computer	I-Device
.	O
</s>
<s>
The	O
palmtop	O
runs	O
for	O
about	O
30	O
–	O
40	O
hours	O
on	O
two	O
size	B-Algorithm
AA	I-Algorithm
alkaline	O
or	O
Ni-Cd	O
rechargeable	O
cells	O
and	O
can	O
charge	O
batteries	O
(	O
both	O
Ni-Cd	O
and	O
NiMH	O
)	O
via	O
a	O
12V	O
DC	O
wall	O
adapter	O
.	O
</s>
<s>
The	O
HP200LX	B-Device
has	O
an	O
Intel	B-Device
80186	I-Device
compatible	O
embedded	O
central	B-General_Concept
processing	I-General_Concept
unit	I-General_Concept
named	O
"	O
Hornet	O
"	O
,	O
which	O
runs	O
at	O
~	O
7.91	O
megahertz	O
(	O
which	O
can	O
be	O
upgraded	O
or	O
overclocked	B-Application
to	O
up	O
to	O
15.8MHz	O
)	O
and	O
1	O
,	O
2	O
or	O
4MB	O
of	O
memory	O
,	O
of	O
which	O
640KB	O
is	O
RAM	B-Architecture
and	O
the	O
rest	O
can	O
be	O
used	O
for	O
expanded	B-Device
memory	I-Device
(	O
EMS	O
)	O
or	O
memory-based	O
storage	O
space	O
.	O
</s>
<s>
After-market	O
updates	O
can	O
bring	O
the	O
memory	O
chips	O
to	O
up	O
to	O
64MB	O
,	O
which	O
frees	O
the	O
PCMCIA	B-Architecture
slot	O
for	O
modem	B-Application
or	O
ethernet	O
card	O
use	O
.	O
</s>
<s>
Being	O
IBM	B-Device
PC/XT	I-Device
compatible	O
and	O
running	O
MS-DOS	B-Application
5.0	O
from	O
ROM	O
,	O
the	O
HP200LX	B-Device
can	O
run	O
virtually	O
any	O
program	O
that	O
would	O
run	O
on	O
a	O
full-size	O
PC	O
compatible	O
computer	O
as	O
long	O
as	O
the	O
code	O
is	O
written	O
for	O
the	O
Intel	B-General_Concept
8086	I-General_Concept
,	O
8088	B-Device
or	O
80186	B-Device
CPU	O
and	O
can	O
run	O
using	O
CGA	B-Device
graphics	I-Device
.	O
</s>
<s>
It	O
has	O
a	O
16-bit	O
PCMCIA	B-Architecture
Type	O
II	O
expansion	O
slot	O
that	O
supports	O
5V	O
at	O
150mA	O
maximum	O
,	O
a	O
SIR	O
compatible	O
infrared	O
port	O
and	O
a	O
full	O
serial	B-Protocol
port	I-Protocol
(	O
but	O
with	O
a	O
proprietary	O
mini	O
connector	O
for	O
space	O
constraint	O
reasons	O
)	O
.	O
</s>
<s>
The	O
built-in	O
software	O
suite	O
runs	O
from	O
ROM	O
and	O
includes	O
the	O
Lotus	B-Application
1-2-3	I-Application
Release	O
2.4	O
spreadsheet	O
,	O
a	O
calendar	O
,	O
a	O
phone	O
book	O
,	O
a	O
terminal	O
,	O
Lotus	B-Application
cc:Mail	I-Application
and	O
a	O
capable	O
scientific/business	O
calculator	O
(	O
among	O
other	O
applications	O
)	O
.	O
</s>
<s>
With	O
a	O
large	O
compactflash	B-Device
storage	O
card	O
and	O
a	O
serial	B-Device
mouse	I-Device
,	O
even	O
Microsoft	B-Application
Windows	I-Application
3.0	I-Application
can	O
be	O
run	O
on	O
the	O
palmtop	O
.	O
</s>
<s>
Running	O
Windows	O
was	O
limited	O
by	O
the	O
hardware	O
,	O
and	O
the	O
maximum	O
version	O
that	O
could	O
be	O
run	O
was	O
Windows	B-Application
3.0	I-Application
in	O
Real	O
Mode	O
.	O
</s>
<s>
The	O
640×200	O
resolution	O
CGA	B-Device
compatible	O
4-shade	O
gray-scale	O
LCD	O
screen	O
has	O
no	O
back	O
light	O
.	O
</s>
<s>
While	O
true	O
CGA	B-Device
displays	I-Device
do	O
not	O
allow	O
for	O
redefinable	O
fonts	O
in	O
text	O
mode	O
and	O
support	O
a	O
hardware	O
code	O
page	O
437	O
,	O
the	O
HP	O
95LX	O
supports	O
code	O
page	O
850	O
instead	O
.	O
</s>
<s>
Starting	O
with	O
the	O
HP100LX	O
the	O
LX	O
series	O
even	O
supports	O
user-switchable	O
text	O
mode	O
ROM	O
fonts	O
for	O
both	O
code	O
page	O
437	O
and	O
850	O
as	O
well	O
as	O
software-definable	O
RAM	B-Architecture
fonts	O
(	O
for	O
codepages	O
437G	O
,	O
437T	O
,	O
852	O
,	O
866	O
via	O
KEYBEZ	O
)	O
.	O
</s>
<s>
Lotus	B-Application
1-2-3	I-Application
internally	O
uses	O
the	O
Lotus	O
International	O
Character	O
Set	O
(	O
LICS	B-Application
)	O
,	O
but	O
characters	O
are	O
translated	O
to	O
code	O
page	O
850	O
for	O
display	O
and	O
printing	O
purposes	O
.	O
</s>
<s>
The	O
HP	O
100LX	O
Palmtop	B-Device
PC	I-Device
(	O
F1020A	O
for	O
the	O
1MB	O
,	O
F1022A	O
for	O
the	O
2MB	O
model	O
)	O
,	O
also	O
known	O
as	O
project	O
Cougar	O
,	O
is	O
the	O
direct	O
predecessor	O
of	O
the	O
200LX	B-Device
.	O
</s>
<s>
It	O
is	O
almost	O
the	O
same	O
,	O
including	O
the	O
Hornet	O
CPU	O
and	O
MS-DOS	B-Application
5.0	O
,	O
but	O
with	O
earlier	O
built-in	O
application	O
versions	O
.	O
</s>
<s>
The	O
HP	O
200LX	B-Device
AIA	O
was	O
a	O
2MB	O
double-speed	O
variant	O
of	O
the	O
HP200LX	B-Device
manufactured	O
for	O
the	O
insurance	O
company	O
American	O
International	O
Assurance	O
(	O
AIA	O
)	O
.	O
</s>
<s>
The	O
HP	O
1000CX	O
Palmtop	B-Device
PC	I-Device
(	O
F1203A	O
for	O
the	O
1MB	O
in	O
March	O
1995	O
,	O
F1222A	O
for	O
the	O
2MB	O
model	O
in	O
February	O
1997	O
)	O
,	O
also	O
known	O
as	O
project	O
Puma	O
,	O
is	O
an	O
economy	O
version	O
of	O
the	O
200LX	B-Device
with	O
its	O
Hornet	O
CPU	O
but	O
without	O
any	O
built-in	O
software	O
except	O
the	O
MS-DOS5.0	O
operating	O
system	O
in	O
ROM	O
.	O
</s>
<s>
It	O
has	O
a	O
black	O
clamshell	O
,	O
while	O
the	O
200LX	B-Device
has	O
a	O
dark	O
green	O
casing	O
.	O
</s>
<s>
The	O
HPOmniGo700LX	O
is	O
essentially	O
a	O
2MB	O
HP200LX	B-Device
including	O
its	O
Hornet	O
CPU	O
redesigned	O
to	O
piggyback	O
a	O
Nokia	O
2110	O
GSM	O
mobile	O
telephone	O
for	O
wireless	O
mobility	O
.	O
</s>
<s>
The	O
HP200LX	B-Device
motherboard	O
was	O
factory-modified	O
to	O
support	O
a	O
second	O
PCMCIA	B-Architecture
slot	O
for	O
a	O
Nokia	O
Data	O
Card	O
.	O
</s>
<s>
The	O
device	O
can	O
be	O
seen	O
as	O
a	O
forerunner	O
to	O
the	O
first	O
smartphone	B-Application
,	O
Nokia	O
's	O
Communicator	O
9000	O
.	O
</s>
<s>
The	O
HP	O
95LX	O
Palmtop	B-Device
PC	I-Device
(	O
F1000A	O
for	O
the	O
512KB	O
,	O
F1010A	O
for	O
the	O
1MB	O
model	O
)	O
introduced	O
the	O
basic	O
design	O
in	O
April	O
1991	O
.	O
</s>
<s>
It	O
had	O
a	O
NEC	B-Device
V20	I-Device
CPU	O
(	O
an	O
enhanced	O
Intel	B-Device
8088	I-Device
clone	O
with	O
Intel	B-Device
80186	I-Device
instruction	O
set	O
compatibility	O
and	O
an	O
additional	O
Intel	B-General_Concept
8080	I-General_Concept
emulation	O
mode	O
,	O
running	O
at	O
5.37MHz	O
)	O
,	O
but	O
was	O
hampered	O
in	O
running	O
PC	O
applications	O
because	O
of	O
its	O
quarter-CGA	O
resolution	O
LCD	O
screen	O
and	O
MDA	O
compatible	O
(	O
instead	O
of	O
CGA	B-Device
)	O
graphics	O
chip	O
.	O
</s>
<s>
It	O
ran	O
MS-DOS	B-Application
3.22	O
and	O
had	O
Lotus	B-Application
1-2-3	I-Application
Release	O
2.2	O
built	O
in	O
.	O
</s>
<s>
It	O
also	O
included	O
a	O
CR2032	B-Algorithm
battery	I-Algorithm
for	O
memory	O
backup	O
when	O
the	O
AA	B-Algorithm
mains	O
ran	O
out	O
.	O
</s>
<s>
The	O
HP	O
OmniGo	O
100	O
Organizer	O
Plus	O
(	O
F1305A/F1310A	O
)	O
was	O
designed	O
as	O
a	O
more	O
sophisticated	O
successor	O
to	O
the	O
LX	O
series	O
,	O
and	O
incorporated	O
the	O
HP-12C	B-Device
calculator	O
functionality	O
.	O
</s>
<s>
The	O
normal	O
operation	O
mode	O
was	O
with	O
DOS-based	O
PEN/GEOS	O
2.1	O
and	O
Graffiti	B-Application
handwriting	O
recognition	O
running	O
on	O
Datalight	O
ROM-DOS	O
6.22	O
.	O
</s>
<s>
It	O
was	O
not	O
widely	O
accepted	O
as	O
a	O
calculator	O
replacement	O
,	O
and	O
Palm	O
and	O
Pocket	O
PCs	O
became	O
acceptable	O
as	O
PDAs	B-Application
.	O
</s>
<s>
Equipped	O
with	O
1MB	O
of	O
RAM	B-Architecture
,	O
it	O
was	O
based	O
on	O
the	O
Vadem	O
VG230/V5H	O
,	O
a	O
highly	O
integrated	O
system	O
controller	O
with	O
16MHz	O
NEC	B-Device
V30HL	I-Device
CPU	O
,	O
instruction	O
set	O
compatible	O
with	O
the	O
Intel	B-Device
80186	I-Device
.	O
</s>
<s>
Although	O
this	O
product	O
line	O
was	O
discontinued	O
by	O
HP	O
in	O
order	O
to	O
introduce	O
their	O
Windows	B-Operating_System
CE	I-Operating_System
product	O
line	O
(	O
starting	O
with	O
the	O
HP	B-Device
300LX	I-Device
)	O
,	O
a	O
strong	O
interest	O
in	O
this	O
hardware	O
continued	O
.	O
</s>
<s>
It	O
was	O
the	O
last	O
palmtop	O
from	O
HP	O
which	O
ran	O
the	O
MS-DOS	B-Application
operating	O
system	O
,	O
for	O
which	O
there	O
is	O
much	O
software	O
from	O
desktop	O
PCs	O
,	O
and	O
it	O
came	O
with	O
a	O
useful	O
bundle	O
of	O
software	O
including	O
1-2-3	B-Application
and	O
Quicken	B-Application
.	O
</s>
<s>
Because	O
of	O
its	O
small	O
size	O
,	O
the	O
HP200LX	B-Device
was	O
very	O
popular	O
in	O
Japan	O
,	O
so	O
much	O
so	O
that	O
its	O
demise	O
prompted	O
an	O
open-source	O
initiative	O
led	O
by	O
a	O
group	O
named	O
to	O
design	O
and	O
market	O
an	O
AMD	O
Élan	O
SC400-based	O
replacement	O
to	O
fill	O
its	O
place	O
in	O
2001	O
.	O
</s>
<s>
A	O
common	O
problem	O
with	O
the	O
HP200LX	B-Device
case	O
is	O
related	O
to	O
the	O
injected-molded	O
case	O
top	O
.	O
</s>
<s>
Only	O
high	O
quality	O
AA	B-Algorithm
rechargeable	O
batteries	O
should	O
be	O
used	O
in	O
the	O
HP200LX	B-Device
,	O
as	O
battery	O
leaks	O
can	O
destroy	O
the	O
LCD	O
's	O
flat	O
video	O
cable	O
.	O
</s>
<s>
Inside	O
the	O
HP200LX	B-Device
,	O
the	O
keyboard	O
connects	O
to	O
the	O
main	O
board	O
via	O
a	O
"	O
ribbon	O
"	O
that	O
has	O
graphite	O
pads	O
which	O
make	O
physical	O
contact	O
to	O
gold	O
pads	O
plated	O
onto	O
the	O
main	O
board	O
.	O
</s>
<s>
This	O
is	O
delicate	O
work	O
,	O
and	O
putting	O
the	O
HP200LX	B-Device
back	O
together	O
after	O
disassembly	O
may	O
be	O
problematic	O
for	O
those	O
who	O
have	O
little	O
experience	O
with	O
electronics	O
repair	O
.	O
</s>
<s>
The	O
HP100LX/HP200LX	O
'	O
s	O
digital-to-analog	O
converter	O
cannot	O
play	O
audio	O
tones	O
;	O
instead	O
,	O
it	O
monitors	O
battery	O
life	O
and	O
charging	O
.	O
</s>
<s>
The	O
device	O
does	O
not	O
provide	O
the	O
BIOS	B-Operating_System
service	O
(	O
INT	B-Device
13h	I-Device
)	O
for	O
reading	O
from	O
a	O
hard	B-Device
disk	I-Device
.	O
</s>
<s>
Drivers	B-Application
have	O
been	O
partially	O
written	O
for	O
this	O
purpose	O
(	O
to	O
boot	O
MINIX	O
2.0	O
)	O
.	O
</s>
<s>
The	O
HP200LX	B-Device
was	O
used	O
on	O
board	O
the	O
NASA	O
Discovery	O
OV103	O
Mission	O
STS-95	O
(	O
the	O
last	O
mission	O
of	O
Senator	O
John	O
Glenn	O
)	O
in	O
an	O
Electronic	O
Nose	O
(	O
E-Nose	O
)	O
experiment	O
(	O
the	O
device	O
was	O
developed	O
jointly	O
by	O
Jet	O
Propulsion	O
Laboratory	O
(	O
JPL	O
)	O
and	O
the	O
California	O
Institute	O
of	O
Technology	O
(	O
Caltech	O
)	O
)	O
.	O
</s>
<s>
The	O
HP200LX	B-Device
can	O
play	O
video	O
,	O
and	O
sound	O
files	O
using	O
software	O
from	O
Stefan	O
Peichl	O
in	O
relatively	O
low	O
quality	O
.	O
</s>
<s>
There	O
is	O
no	O
known	O
compatible	O
PCMCIA	B-Architecture
sound	O
card	O
for	O
the	O
HP200LX	B-Device
.	O
</s>
<s>
works	O
through	O
the	O
serial	B-Protocol
port	I-Protocol
using	O
Voyetra	O
or	O
GSPlay	O
MIDI	O
programs	O
,	O
and	O
Terrence	O
Vergauwen	O
uses	O
a	O
PCMCIA	B-Architecture
parallel	O
port	O
card	O
plus	O
an	O
OPL3LPT	O
(	O
Adlib	O
compatible	O
sounds	O
card	O
thru	O
parallel	O
port	O
)	O
for	O
gaming	O
.	O
</s>
<s>
Software	O
and	O
hardware	O
is	O
available	O
which	O
will	O
allow	O
the	O
HP200LX	B-Device
to	O
surf	O
the	O
Internet	O
.	O
</s>
<s>
The	O
serial	O
numbers	O
printed	O
on	O
the	O
HP	O
machines	O
100LX	O
,	O
200LX	B-Device
,	O
1000CX	O
and	O
OmniGo	O
700LX	O
have	O
the	O
following	O
meaning	O
:	O
</s>
<s>
There	O
are	O
many	O
easter	O
eggs	O
built	O
into	O
the	O
HP200LX	B-Device
.	O
</s>
<s>
This	O
easter	O
egg	O
is	O
on	O
the	O
HP200LX	B-Device
in	O
the	O
built	O
in	O
game	O
,	O
"	O
Lair	O
of	O
Squid	O
"	O
.	O
</s>
<s>
During	O
the	O
startup	O
screen	O
of	O
the	O
game	O
,	O
if	O
the	O
user	O
types	O
the	O
word	O
"	O
gallery	O
"	O
(	O
"	O
gallerie	O
"	O
on	O
a	O
French	O
palmtop	O
;	O
"	O
siegergalerie	O
"	O
on	O
a	O
German	O
palmtop	O
;	O
"	O
galeria	O
"	O
on	O
a	O
Spanish	O
palmtop	O
)	O
they	O
are	O
placed	O
in	O
a	O
"	O
part	O
"	O
of	O
the	O
maze	O
that	O
contains	O
photographs	O
of	O
the	O
primary	O
software	O
developers	O
that	O
worked	O
on	O
the	O
HP200LX	B-Device
.	O
</s>
<s>
This	O
easter	O
egg	O
is	O
in	O
the	O
HP200LX	B-Device
self	O
test	O
mode	O
.	O
</s>
<s>
This	O
easter	O
egg	O
is	O
in	O
the	O
HP200LX	B-Device
self	O
test	O
mode	O
.	O
</s>
<s>
This	O
easter	O
egg	O
is	O
in	O
the	O
HP200LX	B-Device
self	O
test	O
mode	O
.	O
</s>
<s>
The	O
poem	O
is	O
as	O
follows	O
(	O
note	O
that	O
the	O
project	O
names	O
for	O
the	O
HP95LX	O
,	O
the	O
HP100LX	O
and	O
the	O
HP200LX	B-Device
are	O
'	O
Jaguar	O
 '	O
,	O
'	O
Cougar	O
 '	O
and	O
'	O
Felix	B-Device
 '	O
respectively	O
,	O
and	O
that	O
'	O
Felix	B-Device
 '	O
was	O
the	O
first	O
LX	O
to	O
include	O
Quicken	B-Application
)	O
:	O
</s>
<s>
This	O
easter	O
egg	O
is	O
in	O
the	O
built	O
in	O
System	B-Device
Manager	I-Device
of	O
the	O
HP200LX	B-Device
.	O
</s>
<s>
As	O
long	O
as	O
the	O
 [ ALT ] 	O
key	O
is	O
held	O
down	O
,	O
the	O
user	O
will	O
observe	O
columns	O
of	O
data	O
about	O
System	B-Device
Manager	I-Device
compliant	O
(	O
.EXM	O
)	O
programs	O
registered	O
with	O
the	O
System	B-Device
Manager	I-Device
,	O
along	O
with	O
other	O
arcane	O
program	O
information	O
.	O
</s>
<s>
The	O
HP200LX	B-Device
includes	O
an	O
undocumented	O
calculator	O
application	O
named	O
HEXCALC	O
,	O
written	O
by	O
Andrew	O
Gryc	O
.	O
</s>
