<s>
The	O
IBM	B-Device
ThinkPad	I-Device
Power	I-Device
Series	I-Device
(	O
and	O
subsequent	O
IBM	B-Device
RS/6000	I-Device
Model	O
860	O
Notebook	B-Device
)	O
(	O
800/820/821/822/823/850/851/860	O
)	O
is	O
a	O
laptop	B-Device
series	O
from	O
the	O
ThinkPad	B-Operating_System
line	O
that	O
was	O
manufactured	O
by	O
IBM	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
the	O
PowerPC	B-Architecture
architecture	I-Architecture
.	O
</s>
<s>
The	O
first	O
PowerPC	B-Architecture
notebook	B-Device
released	O
by	O
IBM	O
was	O
the	O
RS/6000	B-Device
Model	I-Device
N40	I-Device
,	O
which	O
was	O
developed	O
together	O
with	O
Tadpole	B-Architecture
Computer	I-Architecture
.	O
</s>
<s>
Most	O
of	O
the	O
800	O
Series	O
laptops	B-Device
used	O
the	O
PowerPC	B-Architecture
603e	O
CPU	O
,	O
at	O
speeds	O
of	O
100MHz	O
,	O
or	O
166MHz	O
in	O
the	O
860	O
model	O
,	O
although	O
the	O
earliest	O
800	O
(	O
Type	O
6020	O
)	O
,	O
the	O
direct	O
ancestor	O
of	O
the	O
850	O
,	O
used	O
a	O
603	O
and	O
was	O
apparently	O
only	O
offered	O
to	O
developers	O
.	O
</s>
<s>
All	O
units	O
used	O
SCSI-2	O
instead	O
of	O
IDE	O
hard	O
disks	O
,	O
and	O
the	O
ID	O
of	O
every	O
SCSI	B-Architecture
device	O
on	O
the	O
system	O
could	O
be	O
configured	O
in	O
the	O
cursor	O
driven	O
GUI-based	O
BIOS	O
.	O
</s>
<s>
Another	O
unusual	O
aspect	O
of	O
the	O
series	O
is	O
their	O
unique	O
startup	O
chime	O
,	O
reminiscent	O
of	O
Apple	O
Macintosh	B-Device
computers	O
of	O
the	O
time	O
.	O
</s>
<s>
The	O
PowerPC	B-Device
ThinkPad	I-Device
line	O
was	O
considerably	O
more	O
expensive	O
than	O
the	O
standard	O
x86	O
ThinkPads	B-Operating_System
—	O
even	O
a	O
modestly	O
configured	O
850	O
cost	O
upwards	O
of	O
$	O
12,000	O
.	O
</s>
<s>
On	O
the	O
other	O
hand	O
,	O
the	O
800	O
,	O
850	O
and	O
851	O
(	O
and	O
later	O
the	O
860	O
and	O
861	O
)	O
were	O
capable	O
of	O
supporting	O
an	O
optional	O
web	O
camera	O
,	O
one	O
of	O
the	O
first	O
commercially	O
available	O
webcams	O
available	O
on	O
a	O
laptop	B-Device
.	O
</s>
<s>
All	O
of	O
the	O
PowerPC	B-Device
ThinkPads	I-Device
could	O
run	O
Windows	B-Device
NT	I-Device
3.51	I-Device
and	O
4.0	B-Device
,	O
AIX	B-Application
4.1.x	O
,	O
and	O
Solaris	B-Application
Desktop	O
2.5.1	O
PowerPC	B-Architecture
Edition	O
.	O
</s>
<s>
Many	O
of	O
these	O
PowerPC	B-Architecture
operating	O
systems	O
and	O
the	O
corresponding	O
compilers	O
are	O
very	O
scarce	O
and	O
hard	O
to	O
find	O
.	O
</s>
<s>
However	O
,	O
it	O
is	O
also	O
possible	O
to	O
run	O
certain	O
PowerPC	B-Architecture
versions	O
of	O
Linux	O
on	O
the	O
800	O
Series	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
line	O
have	O
a	O
predecessor	O
model	O
(	O
released	O
in	O
1994	O
RS/6000	B-Device
N40	O
with	O
50MHz	O
PowerPC	B-Architecture
601	O
CPU	O
and	O
with	O
design	O
based	O
on	O
a	O
Tadpole	B-Architecture
platform	O
)	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Power	O
Series	O
800	O
(	O
6020	O
)	O
has	O
a	O
new	O
case	O
design	O
,	O
similar	O
to	O
contemporary	O
700	O
series	O
models	O
,	O
but	O
with	O
additional	O
rounded	O
palmrest	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Power	O
Series	O
820	O
has	O
another	O
case	O
design	O
(	O
square	O
case	O
with	O
small	O
palmrest	O
with	O
two	O
speakers	O
)	O
.	O
</s>
<s>
This	O
model	O
has	O
reported	O
to	O
run	O
SuSE	O
Linux	O
and	O
Windows	B-Device
NT	I-Device
4.0	I-Device
and	O
that	O
they	O
are	O
incompatible	O
with	O
Yaboot	B-Application
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Power	O
Series	O
850	O
(	O
6042-G6D	O
)	O
has	O
a	O
similar	O
case	O
to	O
an	O
800	O
model	O
.	O
</s>
<s>
The	O
IBM	B-Device
RS/6000	I-Device
Notebook	I-Device
860	I-Device
,	O
sometimes	O
incorrectly	O
to	O
referred	O
as	O
ThinkPad	B-Device
860	I-Device
can	O
be	O
seen	O
as	O
the	O
successor	O
of	O
the	O
ThinkPad	B-Device
850	I-Device
.	O
</s>
<s>
Released	O
by	O
Canon	O
Computer	O
Systems	O
in	O
1995	O
,	O
the	O
Canon	O
Power	O
Notebook	B-Device
featured	O
a	O
603e	O
clocked	O
at	O
100	O
MHz	O
with	O
256	O
KB	O
of	O
external	O
cache	O
;	O
32	O
to	O
48	O
MB	O
of	O
RAM	O
;	O
an	O
810	O
MB	O
hard	O
drive	O
;	O
a	O
double-speed	O
CD-ROM	O
drive	O
;	O
and	O
a	O
10.4	O
"	O
active	O
matrix	O
color	O
LCD	O
.	O
</s>
<s>
Though	O
not	O
marketed	O
by	O
IBM	O
,	O
Canon	O
licensed	O
the	O
use	O
of	O
several	O
components	O
from	O
the	O
ThinkPad	B-Operating_System
755CD	O
including	O
the	O
plastic	O
case	O
,	O
and	O
externally	O
the	O
Power	O
Notebook	B-Device
was	O
virtually	O
identical	O
to	O
the	O
755CD	O
save	O
for	O
Canon	O
's	O
logos	O
.	O
</s>
