<s>
The	O
Thomson	O
TO7	O
,	O
also	O
called	O
Thomson	O
9000	O
is	O
a	O
home	O
computer	O
introduced	O
by	O
Thomson	B-Device
SA	I-Device
in	O
November	O
1982	O
,	O
with	O
an	O
original	O
retail	O
price	O
of	O
3750	O
FF	O
.	O
</s>
<s>
The	O
TO7	O
is	O
built	O
around	O
a	O
1MHz	O
Motorola	B-Device
6809	I-Device
processor	O
.	O
</s>
<s>
ROM	B-Protocol
cartridges	I-Protocol
,	O
designed	O
as	O
MEMO7	O
,	O
can	O
be	O
introduced	O
through	O
a	O
memory	O
bay	O
.	O
</s>
<s>
The	O
user	O
interface	O
uses	O
Microsoft	B-Language
BASIC	I-Language
,	O
included	O
in	O
the	O
kit	O
cartridge	B-Protocol
.	O
</s>
<s>
The	O
keyboard	O
features	O
a	O
plastic	B-Device
membrane	I-Device
,	O
and	O
further	O
user	O
input	O
is	O
obtained	O
through	O
a	O
lightpen	B-Device
.	O
</s>
<s>
A	O
standard	O
television	O
can	O
serve	O
as	O
a	O
monitor	B-Application
using	O
a	O
RGB	O
SCART	B-Protocol
(	O
Peritel	B-Protocol
)	O
connector	O
,	O
with	O
a	O
resolution	O
of	O
320x200	O
(	O
with	O
2	O
colors	O
for	O
each	O
8	O
x	O
1	O
pixels	O
)	O
.	O
</s>
<s>
The	O
differences	O
regarding	O
the	O
production	O
model	O
are	O
a	O
different	O
startup	O
menu	O
and	O
buggier	O
BIOS	B-Operating_System
.	O
</s>
<s>
The	O
Thomson	O
TO7	O
runs	O
on	O
a	O
Motorola	B-Device
6809	I-Device
processor	O
clocked	O
at	O
1MHz	O
and	O
features	O
22KB	O
of	O
RAM	B-Architecture
(	O
8	O
KB	O
for	O
the	O
user	O
,	O
8	O
KB	O
used	O
as	O
video	O
memory	O
and	O
8K	O
x	O
6	O
bits	O
color	O
memory	O
)	O
and	O
20KB	O
of	O
ROM	B-Device
(	O
4KB	O
for	O
the	O
monitor	B-Application
and	O
16KB	O
on	O
MEMO7	B-Protocol
cartridges	I-Protocol
)	O
.	O
</s>
<s>
The	O
video	O
output	O
is	O
RGB	O
on	O
a	O
SCART	B-Protocol
connector	I-Protocol
,	O
with	O
the	O
refresh	O
rate	O
being	O
625-line	O
compatible	O
50Hz	O
.	O
</s>
<s>
The	O
keyboard	O
has	O
58	O
keys	O
and	O
includes	O
arrow	B-Device
keys	I-Device
.	O
</s>
<s>
Besides	O
cartridges	B-Protocol
,	O
the	O
machine	O
used	O
cassette	B-Device
tapes	I-Device
for	O
file	O
storage	O
.	O
</s>
<s>
An	O
upgraded	O
version	O
,	O
the	O
Thomson	B-Device
TO7/70	I-Device
,	O
was	O
released	O
in	O
1984	O
with	O
an	O
introductory	O
price	O
of	O
3590	O
FF	O
.	O
</s>
<s>
It	O
was	O
used	O
as	O
an	O
educational	O
tool	O
in	O
French	O
schools	O
under	O
the	O
Computing	B-Device
for	I-Device
All	I-Device
plan	O
,	O
where	O
the	O
TO7/70	O
could	O
be	O
used	O
as	O
a	O
used	O
a	O
"	O
nano-machine	O
"	O
terminal	O
for	O
the	O
"	O
Nanoréseau	B-Device
"	O
educational	O
network	O
.	O
</s>
<s>
Among	O
improvements	O
RAM	B-Architecture
was	O
increased	O
to	O
64	O
KB	O
-	O
"	O
70	O
"	O
on	O
the	O
version	O
name	O
stands	O
for	O
64+6	O
(	O
64KB	O
RAM	B-Architecture
+	O
6KB	O
ROM	B-Device
)	O
.	O
</s>
<s>
The	O
6809	B-Device
processor	O
was	O
replaced	O
by	O
a	O
Motorola	B-Device
6809E	I-Device
and	O
the	O
color	O
palette	O
was	O
extended	O
from	O
8	O
to	O
16	O
colors	O
.	O
</s>
<s>
Graphics	O
were	O
similar	O
to	O
the	O
Thomson	B-Device
MO5	I-Device
and	O
generated	O
by	O
a	O
Motorola	O
MCA1300	O
gate	O
array	O
capable	O
of	O
40×25	O
text	O
display	O
and	O
a	O
resolution	O
of	O
320	O
x	O
200	O
pixels	O
with	O
16	O
colours	O
(	O
limited	O
by	O
8	O
x	O
1	O
pixel	O
colour	O
attribute	O
areas	O
)	O
.	O
</s>
