<s>
The	O
SIMpad	B-Application
is	O
a	O
portable	O
computer	O
developed	O
by	O
the	O
company	O
Keith	O
&	O
Koep	O
by	O
order	O
of	O
Siemens	O
AG	O
,	O
with	O
an	O
8.4	O
"	O
TFT	O
touchscreen	B-Device
.	O
</s>
<s>
CL4	O
:	O
The	O
low-end	O
model	O
with	O
32	O
MB	O
RAM	B-Architecture
and	O
16	O
MB	O
Flash	B-Device
ROM	I-Device
without	O
PC	B-Architecture
card	I-Architecture
slot	O
but	O
with	O
DECT	B-Protocol
modem	O
.	O
</s>
<s>
This	O
one	O
is	O
the	O
same	O
as	O
the	O
CL4	O
but	O
with	O
a	O
PC	B-Architecture
card	I-Architecture
slot	O
.	O
</s>
<s>
SL4	O
:	O
The	O
high	O
end	O
model	O
,	O
with	O
64	O
MB	O
RAM	B-Architecture
and	O
32	O
MB	O
Flash	B-Device
ROM	I-Device
.	O
</s>
<s>
This	O
one	O
also	O
has	O
a	O
PC	B-Architecture
card	I-Architecture
slot	O
.	O
</s>
<s>
SLC	O
:	O
Identical	O
to	O
the	O
SL4	O
,	O
but	O
with	O
the	O
addition	O
of	O
a	O
Siemens	O
MD34	O
DECT	B-Protocol
modem	O
,	O
allowing	O
connection	O
to	O
certain	O
Siemens	O
ISDN	B-Protocol
telephone	O
systems	O
.	O
</s>
<s>
The	O
SIMpad	B-Application
was	O
initially	O
released	O
with	O
the	O
Handheld	B-Operating_System
PC	I-Operating_System
2000	O
(	O
Windows	B-Operating_System
CE	I-Operating_System
3.0	O
)	O
operating	O
system	O
,	O
while	O
later	O
units	O
(	O
mostly	O
SL4	O
and	O
SLC	O
)	O
were	O
released	O
with	O
Windows	O
CE.NET	O
(	O
Windows	B-Operating_System
CE	I-Operating_System
4.0	O
)	O
.	O
</s>
<s>
Since	O
the	O
SIMpad	B-Application
was	O
discontinued	O
in	O
2002	O
,	O
all	O
manufacturer	O
support	O
was	O
also	O
discontinued	O
.	O
</s>
<s>
The	O
project	O
offers	O
a	O
SIMpad	B-Application
related	O
Wiki	O
where	O
one	O
can	O
find	O
information	O
about	O
Linux	B-Application
,	O
Windows	B-Operating_System
CE	I-Operating_System
,	O
hardware	O
and	O
mods	O
.	O
</s>
