<s>
Linux	B-Device
for	I-Device
PlayStation	I-Device
2	I-Device
(	O
or	O
PS2	B-Device
Linux	I-Device
)	O
is	O
a	O
kit	O
released	O
by	O
Sony	O
Computer	O
Entertainment	O
in	O
2002	O
that	O
allows	O
the	O
PlayStation	B-Device
2	I-Device
console	O
to	O
be	O
used	O
as	O
a	O
personal	B-Device
computer	I-Device
.	O
</s>
<s>
It	O
included	O
a	O
Linux-based	O
operating	B-General_Concept
system	I-General_Concept
,	O
a	O
USB	B-Protocol
keyboard	B-Device
and	O
mouse	B-Device
,	O
a	O
VGA	B-Protocol
adapter	I-Protocol
,	O
a	O
PS2	B-Device
network	O
adapter	O
(	O
Ethernet	O
only	O
)	O
,	O
and	O
a	O
40	O
GB	O
hard	B-Device
disk	I-Device
drive	I-Device
(	O
HDD	O
)	O
.	O
</s>
<s>
An	O
8	O
MB	O
memory	O
card	O
is	O
required	O
;	O
it	O
must	O
be	O
formatted	B-Application
during	O
installation	O
,	O
erasing	O
all	O
data	O
previously	O
saved	O
on	O
it	O
,	O
though	O
afterwards	O
the	O
remaining	O
space	O
may	O
be	O
used	O
for	O
savegames	O
.	O
</s>
<s>
It	O
is	O
strongly	O
recommended	O
that	O
a	O
user	O
of	O
Linux	B-Device
for	I-Device
PlayStation	I-Device
2	I-Device
have	O
some	O
basic	O
knowledge	O
of	O
Linux	B-Application
before	O
installing	O
and	O
using	O
it	O
,	O
due	O
to	O
the	O
command-line	O
interface	O
for	O
installation	O
.	O
</s>
<s>
The	O
Linux	B-Device
Kit	I-Device
turns	O
the	O
PlayStation	B-Device
2	I-Device
into	O
a	O
full-fledged	O
computer	O
system	O
,	O
but	O
it	O
does	O
not	O
allow	O
for	O
use	O
of	O
the	O
DVD-ROM	O
drive	O
except	O
to	O
read	O
PS1	O
and	O
PS2	B-Device
discs	O
due	O
to	O
piracy	O
concerns	O
by	O
Sony	O
.	O
</s>
<s>
Although	O
the	O
HDD	O
included	O
with	O
the	O
Linux	B-Device
Kit	I-Device
is	O
not	O
compatible	O
with	O
PlayStation	B-Device
2	I-Device
games	O
,	O
reformatting	O
the	O
HDD	O
with	O
the	O
utility	O
disc	O
provided	O
with	O
the	O
retail	O
HDD	O
enables	O
use	O
with	O
PlayStation	B-Device
2	I-Device
games	O
but	O
erases	O
PS2	B-Device
Linux	I-Device
,	O
though	O
there	O
is	O
a	O
driver	O
that	O
allows	O
PS2	B-Device
Linux	I-Device
to	O
operate	O
once	O
copied	O
onto	O
the	O
APA	O
partition	O
created	O
by	O
the	O
utility	O
disc	O
.	O
</s>
<s>
The	O
kit	O
supports	O
display	O
on	O
RGB	O
monitors	O
(	O
with	O
sync-on-green	O
)	O
using	O
a	O
VGA	B-Protocol
cable	O
provided	O
with	O
the	O
Linux	B-Device
Kit	I-Device
,	O
or	O
television	O
sets	O
with	O
the	O
normal	O
cable	O
included	O
with	O
the	O
PlayStation	B-Device
2	I-Device
unit	O
.	O
</s>
<s>
The	O
PS2	B-Device
Linux	I-Device
distribution	O
is	O
based	O
on	O
,	O
a	O
Japanese	O
distribution	O
itself	O
based	O
on	O
Red	O
Hat	O
Linux	B-Application
.	O
</s>
<s>
PS2	B-Device
Linux	I-Device
is	O
similar	O
to	O
Red	O
Hat	O
Linux	B-Application
6	O
,	O
and	O
has	O
most	O
of	O
the	O
features	O
one	O
might	O
expect	O
in	O
a	O
Red	O
Hat	O
Linux	B-Application
6	O
system	O
.	O
</s>
<s>
The	O
stock	O
kernel	B-Operating_System
is	O
Linux	B-Application
2.2.1	O
(	O
although	O
it	O
includes	O
the	O
USB	B-Protocol
drivers	O
from	O
Linux	B-Application
2.2.18	O
to	O
support	O
the	O
keyboard	B-Device
and	O
mouse	B-Device
)	O
,	O
but	O
it	O
can	O
be	O
upgraded	O
to	O
a	O
newer	O
version	O
such	O
as	O
2.2.21	O
,	O
2.2.26	O
or	O
2.4.17	O
.	O
</s>
<s>
The	O
Linux	B-Device
kit	I-Device
's	O
primary	O
purpose	O
is	O
amateur	O
software	O
development	O
,	O
but	O
it	O
can	O
be	O
used	O
as	O
one	O
would	O
use	O
any	O
other	O
computer	O
,	O
although	O
the	O
small	O
amount	O
of	O
memory	O
in	O
the	O
PS2	B-Device
(	O
32MB	O
)	O
limits	O
its	O
applications	O
.	O
</s>
<s>
Noted	O
open	B-Application
source	I-Application
software	I-Application
that	O
compiles	O
on	O
the	O
kit	O
includes	O
Mozilla	B-Language
Suite	I-Language
,	O
XChat	B-Protocol
,	O
and	O
Pidgin	B-Protocol
.	O
</s>
<s>
Lightweight	O
applications	O
better	O
suited	O
to	O
the	O
PS2	B-Device
's	O
32MB	O
of	O
RAM	B-Architecture
include	O
xv	B-Application
,	O
Dillo	B-Application
,	O
Ted	B-Protocol
,	O
and	O
AbiWord	B-Language
.	O
</s>
<s>
The	O
default	O
window	O
manager	O
is	O
Window	B-Application
Maker	I-Application
,	O
but	O
it	O
is	O
possible	O
to	O
install	O
and	O
use	O
Fluxbox	B-Language
and	O
FVWM	B-Device
.	O
</s>
<s>
The	O
USB	B-Protocol
ports	I-Protocol
of	O
the	O
console	O
can	O
be	O
connected	O
to	O
external	O
devices	O
,	O
such	O
as	O
printers	O
,	O
cameras	O
,	O
flash	O
drives	O
,	O
and	O
CD	O
drives	O
.	O
</s>
<s>
With	O
PS2	B-Device
Linux	I-Device
,	O
a	O
user	O
can	O
program	O
their	O
own	O
games	O
that	O
will	O
work	O
under	O
PS2	B-Device
Linux	I-Device
,	O
but	O
not	O
on	O
an	O
unmodified	O
PlayStation	B-Device
2	I-Device
.	O
</s>
<s>
Free	O
open	B-Application
source	I-Application
code	I-Application
for	O
games	O
are	O
available	O
for	O
download	O
from	O
PS2	B-Device
Linux	I-Device
support	O
sites	O
.	O
</s>
<s>
There	O
is	O
little	O
difference	O
between	O
PS2	B-Device
Linux	I-Device
and	O
the	O
Linux	B-Application
software	O
used	O
on	O
the	O
more	O
expensive	O
system	O
(	O
"	O
Tool	O
"	O
,	O
DTL-T10000	O
)	O
used	O
by	O
professional	O
licensed	O
PlayStation	O
game	O
programmers	O
.	O
</s>
<s>
It	O
is	O
possible	O
for	O
an	O
amateur	O
to	O
sell	O
games	O
or	O
software	O
that	O
they	O
develop	O
using	O
PS2	B-Device
Linux	I-Device
,	O
with	O
certain	O
restrictions	O
detailed	O
in	O
the	O
End	O
User	O
License	O
Agreement	O
.	O
</s>
<s>
However	O
,	O
it	O
is	O
still	O
available	O
through	O
some	O
second-hand	O
markets	O
,	O
such	O
as	O
eBay	B-Application
.	I-Application
</s>
<s>
Some	O
incorrectly	O
speculate	O
that	O
it	O
was	O
used	O
as	O
an	O
attempt	O
to	O
help	O
classify	O
the	O
PS2	B-Device
as	O
a	O
computer	O
in	O
order	O
to	O
achieve	O
tax	O
exempt	O
status	O
from	O
certain	O
EU	O
taxes	O
that	O
apply	O
to	O
game	O
consoles	O
and	O
not	O
computers	O
(	O
It	O
was	O
the	O
Yabasic	B-Language
included	O
with	O
EU	O
units	O
that	O
was	O
intended	O
to	O
do	O
that	O
)	O
.	O
</s>
<s>
The	O
kit	O
was	O
released	O
in	O
the	O
spirit	O
of	O
the	O
earlier	O
Net	B-Device
Yaroze	I-Device
.	O
</s>
<s>
PlayStation	O
and	O
Sony	O
ended	O
their	O
support	O
of	O
hobbyist	O
programmers	O
with	O
the	O
support	O
of	O
Linux	B-Application
on	I-Application
the	I-Application
PlayStation	I-Application
3	I-Application
being	O
discontinued	O
.	O
</s>
<s>
The	O
original	O
version	O
of	O
the	O
PS2	B-Device
Linux	I-Device
kit	O
worked	O
on	O
only	O
the	O
Japanese	O
SCPH-10000	O
,	O
SCPH-15000	O
and	O
SCPH-18000	O
PlayStation	B-Device
2	I-Device
models	O
.	O
</s>
<s>
It	O
came	O
with	O
a	O
PCMCIA	O
interface	O
card	O
which	O
had	O
a	O
10/100	O
Ethernet	O
port	O
and	O
an	O
external	O
IDE	O
hard	B-Device
drive	I-Device
enclosure	O
(	O
as	O
there	O
is	O
no	O
room	O
inside	O
the	O
unit	O
)	O
.	O
</s>
<s>
This	O
kit	O
cannot	O
be	O
used	O
with	O
any	O
later	O
model	O
PS2	B-Device
(	O
which	O
includes	O
all	O
non-Japanese	O
models	O
)	O
because	O
these	O
models	O
removed	O
the	O
PCMCIA	O
port	O
.	O
</s>
<s>
Later	O
versions	O
of	O
the	O
PS2	B-Device
Linux	I-Device
kit	O
use	O
an	O
interface	O
very	O
similar	O
to	O
the	O
HDD	O
interface/Ethernet	O
sold	O
later	O
for	O
network	O
play	O
(	O
the	O
later	O
released	O
Network	O
adaptor	O
was	O
also	O
usable	O
with	O
the	O
kit	O
,	O
including	O
the	O
built-in	O
56k	O
modem	O
.	O
)	O
</s>
<s>
This	O
kit	O
locates	O
the	O
hard	B-Device
drive	I-Device
internal	O
to	O
the	O
PS2	B-Device
,	O
in	O
the	O
MultiBay	O
.	O
</s>
<s>
With	O
this	O
kit	O
,	O
only	O
the	O
SCPH-30000	O
model	O
of	O
PlayStation	B-Device
2	I-Device
is	O
officially	O
supported	O
.	O
</s>
<s>
Thus	O
the	O
newer	O
SCPH-50000	O
PlayStation	B-Device
2	I-Device
model	O
will	O
only	O
work	O
correctly	O
with	O
PS2	B-Device
Linux	I-Device
with	O
an	O
updated	O
network	O
adapter	O
driver	O
,	O
which	O
must	O
be	O
transferred	O
to	O
the	O
PlayStation	B-Device
2	I-Device
HDD	O
by	O
using	O
either	O
an	O
older	O
model	O
PlayStation	B-Device
2	I-Device
to	O
transfer	O
the	O
driver	O
or	O
a	O
Linux	B-Application
PC	O
with	O
an	O
IDE	O
port	O
.	O
</s>
<s>
This	O
is	O
due	O
to	O
the	O
inability	O
to	O
use	O
USB	B-Protocol
Mass	O
Storage	O
devices	O
with	O
the	O
relatively	O
old	O
kernel	B-Operating_System
(	O
version	O
2.2.1	O
)	O
shipped	O
with	O
the	O
kit	O
.	O
</s>
<s>
The	O
slim	O
SCPH-70000	O
PlayStation	B-Device
2	I-Device
model	O
does	O
not	O
work	O
with	O
PS2	B-Device
Linux	I-Device
at	O
all	O
,	O
due	O
to	O
the	O
lack	O
of	O
a	O
hard	B-Device
drive	I-Device
interface	O
,	O
though	O
a	O
very	O
few	O
early	O
models	O
in	O
this	O
revision	O
had	O
solder	O
pads	O
of	O
an	O
IDE	O
interface	O
on	O
the	O
motherboard	O
that	O
could	O
be	O
used	O
(	O
but	O
required	O
modding	O
of	O
the	O
console	O
,	O
thereby	O
voiding	O
its	O
warranty	O
.	O
)	O
</s>
<s>
PS2	B-Device
Linux	I-Device
installation	O
DVDs	O
are	O
region	O
encoded	O
,	O
as	O
are	O
all	O
other	O
PS2	B-Device
game	O
discs	O
.	O
</s>
<s>
A	O
European/PAL	O
disc	O
will	O
be	O
rejected	O
by	O
an	O
NTSC	O
PlayStation	B-Device
2	I-Device
game	O
system	O
;	O
however	O
this	O
is	O
only	O
at	O
boot	O
time	O
:	O
if	O
the	O
user	O
has	O
a	O
mod	O
that	O
allows	O
them	O
to	O
load	O
a	O
PAL	O
disk	O
,	O
then	O
the	O
PS2	B-Device
Linux	I-Device
boot	O
loader	O
supports	O
both	O
PAL	O
and	O
NTSC	O
Linux	B-Application
(	O
read	O
the	O
documentation	O
to	O
determine	O
the	O
button	O
presses	O
)	O
,	O
so	O
once	O
they	O
are	O
past	O
the	O
"	O
DVD	O
not	O
supported	O
"	O
,	O
they	O
can	O
boot	O
Linux	B-Application
and	O
then	O
later	O
start	O
X	O
Window	O
in	O
NTSC	O
mode	O
.	O
</s>
<s>
Ever	O
since	O
the	O
discontinuation	O
of	O
the	O
PS2	B-Device
Linux	I-Device
Kit	O
and	O
some	O
time	O
before	O
that	O
there	O
has	O
been	O
a	O
large	O
,	O
less	O
active	O
group	O
who	O
have	O
tried	O
and	O
succeeded	O
to	O
run	O
the	O
Linux	B-Application
operating	I-Application
system	I-Application
through	O
other	O
methods	O
,	O
most	O
notably	O
using	O
the	O
KernelLoader	O
Linux	B-Application
loader	O
developed	O
by	O
Mega	O
Man	O
since	O
2008	O
where	O
they	O
have	O
copied	O
the	O
necessary	O
kernel	B-Operating_System
files	O
onto	O
removable	O
storage	O
or	O
DVDs	O
formatted	B-Application
as	O
Video	O
DVDs	O
due	O
to	O
Sony	O
's	O
anti-piracy	O
efforts	O
which	O
restrict	O
any	O
data	O
DVDs	O
and	O
loaded	O
them	O
through	O
the	O
program	O
.	O
</s>
<s>
Through	O
this	O
method	O
it	O
has	O
become	O
possible	O
to	O
use	O
custom	O
Linux	B-Application
distros	O
and	O
other	O
UNIX-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
compiled	O
for	O
the	O
PlayStation	B-Device
2	I-Device
and	O
this	O
has	O
enabled	O
users	O
to	O
use	O
more	O
compatible	O
Linux	B-Operating_System
kernels	I-Operating_System
with	O
smaller	O
footprints	O
and	O
programs	O
specially	O
designed	O
for	O
the	O
console	O
.	O
</s>
<s>
These	O
methods	O
often	O
require	O
the	O
use	O
of	O
PS2	B-Device
exploits	O
such	O
as	O
Free	O
MCBoot	O
which	O
allows	O
the	O
end	O
user	O
to	O
boot	O
from	O
the	O
PlayStation	B-Device
2	I-Device
memory	O
card	O
and	O
launch	O
custom	O
made	O
homebrew	O
applications	O
packaged	O
as	O
ELF	O
files	O
and	O
other	O
exploits	O
such	O
as	O
SwapMagic	O
etc	O
.	O
</s>
<s>
however	O
these	O
tend	O
to	O
void	O
the	O
warranty	O
as	O
some	O
require	O
the	O
opening	O
of	O
the	O
PlayStation	B-Device
2	I-Device
console	O
itself	O
.	O
</s>
