<s>
The	O
Psion	B-Application
Series	I-Application
7	I-Application
is	O
a	O
subnotebook	B-Device
computer	O
from	O
Psion	B-Application
that	O
was	O
released	O
in	O
2000	O
.	O
</s>
<s>
In	O
size	O
it	O
is	O
fairly	O
original	O
:	O
larger	O
than	O
a	O
palmtop	B-Operating_System
or	O
handheld	O
machine	O
,	O
but	O
smaller	O
than	O
a	O
laptop	B-Device
computer	I-Device
.	O
</s>
<s>
It	O
was	O
the	O
first	O
and	O
last	O
of	O
the	O
Psion	B-Application
series	O
to	O
have	O
a	O
full	O
color	O
electronic	B-Device
visual	I-Device
display	I-Device
.	O
</s>
<s>
It	O
has	O
a	O
leather-bound	O
clamshell	O
design	O
,	O
with	O
a	O
touch-sensitive	O
,	O
Video	B-Protocol
Graphics	I-Protocol
Array	I-Protocol
(	O
VGA	B-Protocol
)	O
resolution	O
liquid-crystal	B-Device
display	I-Device
(	O
LCD	B-Device
)	O
and	O
QWERTY	O
computer	B-Device
keyboard	I-Device
.	O
</s>
<s>
Internally	O
it	O
has	O
a	O
132.71	O
MHz	O
StrongARM	B-Device
SA-1100	B-Device
processor	O
,	O
16	O
(	O
upgradable	O
to	O
32	O
)	O
megabyte	O
(	O
MB	O
)	O
of	O
random-access	B-Architecture
memory	I-Architecture
(	O
RAM	B-Architecture
)	O
and	O
16	O
MB	O
of	O
internal	O
read-only	B-Device
memory	I-Device
(	O
ROM	B-Device
)	O
.	O
</s>
<s>
The	O
machine	O
runs	O
the	O
EPOC	B-Language
operating	B-General_Concept
system	I-General_Concept
(	O
OS	O
)	O
,	O
a	O
predecessor	O
of	O
Symbian	B-Operating_System
OS	I-Operating_System
,	O
and	O
as	O
such	O
,	O
can	O
be	O
programmed	O
in	O
the	O
Open	B-Language
Programming	I-Language
Language	I-Language
(	O
OPL	O
)	O
,	O
using	O
the	O
provided	O
development	O
program	O
,	O
or	O
in	O
C++	B-Language
or	O
Java	B-Language
,	O
using	O
a	O
separate	O
personal	B-Device
computer	I-Device
(	O
PC	O
)	O
hosted	O
development	O
system	O
.	O
</s>
<s>
It	O
can	O
be	O
synchronized	O
to	O
a	O
PC	O
by	O
means	O
of	O
an	O
RS-232	O
serial	B-Protocol
port	I-Protocol
to	O
serial	B-Protocol
connector	I-Protocol
,	O
a	O
method	O
that	O
is	O
obsoleted	O
by	O
later	O
standards	O
.	O
</s>
<s>
The	O
unit	O
has	O
an	O
expansion	O
port	O
for	O
a	O
CompactFlash	B-Device
(	O
CF	B-Device
)	O
II	O
device	O
such	O
as	O
the	O
Hitachi	B-Device
Microdrive	I-Device
.	O
</s>
<s>
It	O
also	O
has	O
a	O
PC	B-Architecture
Card	I-Architecture
expansion	O
port	O
supporting	O
flash	O
storage	O
,	O
compact	B-Device
flash	I-Device
adapters	O
,	O
modems	O
,	O
wireless	O
and	O
GPS	O
adapters	O
.	O
</s>
<s>
For	O
data	O
transfer	O
between	O
Psion	B-Application
computers	O
,	O
printers	O
and	O
to	O
use	O
mobile	O
phones	O
as	O
modems	O
the	O
Series	O
7	O
features	O
IrDA	O
(	O
infrared	O
)	O
connectivity	O
.	O
</s>
<s>
The	O
Series	O
7	O
is	O
a	O
variant	O
of	O
the	O
Psion	B-Application
netBook	I-Application
,	O
a	O
machine	O
aimed	O
at	O
the	O
corporate	O
market	O
.	O
</s>
<s>
Due	O
to	O
customer	O
demand	O
,	O
the	O
reduced	O
capacity	O
Series	O
7	O
was	O
released	O
,	O
distinguished	O
by	O
replacing	O
16	O
MB	O
of	O
the	O
32	O
MB	O
of	O
RAM	B-Architecture
with	O
a	O
16	O
MB	O
ROM	B-Device
chip	I-Device
.	O
</s>
<s>
Accessing	O
the	O
OS	O
in	O
ROM	B-Device
required	O
slowing	O
the	O
processor	O
down	O
,	O
leading	O
to	O
the	O
false	O
perception	O
that	O
the	O
netBook	O
and	O
Series	O
7	O
used	O
a	O
different	O
processor	O
or	O
printed	O
circuit	O
board	O
(	O
PCB	O
)	O
.	O
</s>
<s>
However	O
,	O
at	O
least	O
two	O
different	O
(	O
interchangeable	O
)	O
PCBs	O
were	O
used	O
during	O
the	O
product	O
's	O
lifecycle	O
,	O
the	O
later	O
PCB	O
distinguished	O
by	O
higher	O
power	O
output	O
to	O
the	O
PC	B-Architecture
Card	I-Architecture
.	O
</s>
<s>
An	O
open	O
source	O
project	O
OpenPsion	B-Application
,	O
formerly	O
PsiLinux	B-Application
,	O
aims	O
to	O
port	O
Linux	B-Application
to	O
the	O
Psion	B-Application
Series	I-Application
7	I-Application
,	O
netBook	O
,	O
and	O
other	O
Psion	B-Application
PDAs	O
.	O
</s>
<s>
Linux	B-Application
on	O
the	O
Series	O
7	O
rather	O
struggles	O
,	O
given	O
the	O
Series	O
7	O
's	O
limited	O
resources	O
,	O
but	O
most	O
PC	B-Architecture
Card	I-Architecture
(	O
16-bit	B-Device
)	O
adapters	O
seem	O
to	O
be	O
supported	O
.	O
</s>
