<s>
The	O
Skytone	B-Operating_System
Alpha-400	I-Operating_System
is	O
a	O
Linux-based	O
low-cost	O
netbook	B-Device
with	O
a	O
7in	O
800×480	O
LCD	O
screen	O
,	O
introduced	O
in	O
2008	O
.	O
</s>
<s>
It	O
is	O
made	O
in	O
China	O
by	O
Skytone	O
and	O
Exon	O
International	O
Technology	O
Co	O
Ltd	O
,	O
with	O
the	O
former	O
providing	O
the	O
Linux	B-Application
software	O
and	O
the	O
latter	O
producing	O
the	O
hardware	O
.	O
</s>
<s>
It	O
uses	O
a	O
Chinese	O
Ingenic	B-Device
Jz4730	O
336MHz	O
MIPSII-compatible	O
one	O
core	O
32-bit	O
system-on-a-chip	B-Architecture
(	O
SoC	O
)	O
with	O
128MiB	O
of	O
SDRAM	O
,	O
and	O
a	O
1	O
–	O
2GB	O
solid	B-Device
state	I-Device
drive	I-Device
.	O
</s>
<s>
The	O
Skytone	B-Operating_System
Alpha-400	I-Operating_System
was	O
designed	O
with	O
low	O
cost	O
and	O
child-friendliness	O
in	O
mind	O
,	O
with	O
some	O
versions	O
being	O
sold	O
for	O
as	O
little	O
as	O
$130	O
retail	O
.	O
</s>
<s>
It	O
also	O
comes	O
with	O
applications	O
geared	O
toward	O
children	O
,	O
and	O
a	O
Flash	B-Operating_System
player	O
to	O
play	O
animated	O
children	O
's	O
songs	O
.	O
</s>
<s>
The	O
Flash	B-Operating_System
player	O
is	O
not	O
built	O
into	O
the	O
browser	O
,	O
so	O
Flash-dependent	O
sites	O
such	O
as	O
YouTube	B-General_Concept
will	O
not	O
work	O
,	O
but	O
a	O
standalone	O
Flash	B-Operating_System
player	O
is	O
available	O
to	O
run	O
.swf	O
files	O
and	O
can	O
be	O
used	O
to	O
play	O
Flash-based	O
games	O
.	O
</s>
<s>
The	O
Skytone	B-Operating_System
Alpha-400	I-Operating_System
uses	O
a	O
customized	O
version	O
of	O
Linux	B-Application
,	O
based	O
on	O
a	O
2.4.x	O
kernel	O
,	O
with	O
a	O
user-friendly	O
interface	O
optimized	O
for	O
children	O
.	O
</s>
<s>
The	O
Linux	B-Application
desktop	O
is	O
implemented	O
as	O
Kiosk	B-Application
software	I-Application
,	O
meaning	O
that	O
nothing	O
the	O
user	O
can	O
do	O
can	O
modify	O
the	O
available	O
applications	O
,	O
and	O
no	O
new	O
applications	O
can	O
be	O
(	O
easily	O
)	O
added	O
or	O
removed	O
.	O
</s>
<s>
Browsing	O
can	O
be	O
done	O
through	O
the	O
use	O
of	O
the	O
built	O
in	O
browser	O
called	O
Bon	O
Echo	O
,	O
an	O
Alpha	O
release	O
of	O
Mozilla	B-Language
Firefox	I-Language
2	I-Language
,	O
using	O
the	O
built-in	O
10/100	O
BASE-T	O
Ethernet	O
port	O
,	O
or	O
the	O
integrated	O
802.11	O
Wireless	O
LAN	O
,	O
but	O
the	O
browser	O
does	O
not	O
support	O
Flash	B-Operating_System
,	O
meaning	O
that	O
Flash	B-Operating_System
intensive	O
tools	O
,	O
such	O
as	O
YouTube	B-General_Concept
,	O
cannot	O
be	O
used	O
.	O
</s>
<s>
However	O
,	O
recently	O
Exon	O
,	O
the	O
original	O
design	O
manufacturer	O
of	O
most	O
of	O
these	O
devices	O
,	O
announced	O
full	O
support	O
for	O
YouTube	B-General_Concept
and	O
most	O
Flash	B-Operating_System
enabled	O
websites	O
.	O
</s>
<s>
The	O
device	O
sports	O
three	O
USB	B-Protocol
ports	I-Protocol
,	O
a	O
small	O
but	O
fully	O
functioning	O
keyboard	B-Device
,	O
a	O
touchpad	B-Application
,	O
stereo	O
speakers	O
,	O
and	O
a	O
2	O
cell	O
2.1Ah	O
battery	O
.	O
</s>
<s>
Some	O
versions	O
have	O
extra	O
features	O
like	O
a	O
VGA	O
video	O
port	O
,	O
or	O
a	O
USB	B-Protocol
On-The-Go	O
port	O
.	O
</s>
<s>
The	O
default	O
OS	O
,	O
based	O
on	O
CELinux	O
with	O
the	O
matchbox	B-Device
window	O
manager	O
and	O
an	O
Asus	B-Device
Eee	I-Device
PC	I-Device
inspired	O
interface	O
.	O
</s>
<s>
Comes	O
with	O
the	O
jwm	B-Language
window	O
manager	O
.	O
</s>
<s>
The	O
kernel	O
itself	O
is	O
not	O
on	O
the	O
root	O
file	O
system	O
itself	O
,	O
and	O
gets	O
loaded	O
by	O
u-boot	B-Language
.	O
</s>
<s>
The	O
successor	O
of	O
the	O
device	O
,	O
the	O
Alpha	O
400P	O
,	O
comes	O
with	O
a	O
416MHz	O
XScale	B-Application
,	O
fifth	O
generation	O
ARM	B-Architecture
architecture	I-Architecture
,	O
SoC	O
(	O
likely	O
a	O
Marvell	O
PXA27x	O
)	O
,	O
USB	B-Protocol
2.0	O
and	O
up	O
to	O
256MiB	O
of	O
DDR2	O
memory	O
.	O
</s>
<s>
Another	O
similar	O
device	O
comes	O
with	O
the	O
248MHz	O
ARM	B-Architecture
SoC	O
AK7802Q216	O
,	O
64/128	O
MiB	O
of	O
DDR	O
RAM	O
and	O
Windows	B-Operating_System
CE	I-Operating_System
5.0	O
.	O
</s>
<s>
Skytone	O
announced	O
another	O
device	O
called	O
Alpha	O
680	O
running	O
Android	B-Application
that	O
features	O
a	O
533MHz	O
Jade	O
Tech	O
Z228	O
ARM	B-Architecture
CPU	O
.	O
</s>
<s>
The	O
Alpha-680	O
has	O
a	O
rotatable	O
touchscreen	B-Device
that	O
can	O
be	O
turned	O
and	O
flipped	O
over	O
,	O
so	O
that	O
the	O
unit	O
becomes	O
a	O
tablet	B-Device
computer	I-Device
.	O
</s>
<s>
Another	O
similar	O
machine	O
produced	O
by	O
Exon	O
,	O
but	O
not	O
sold	O
by	O
Skytone	O
,	O
comes	O
with	O
an	O
x86	B-Operating_System
legacy	O
compatible	O
800MHz	O
DM&P	O
PDX-600	B-Device
SoC	O
CPU	O
and	O
is	O
thus	O
able	O
to	O
run	O
Windows	O
XP	O
.	O
</s>
<s>
As	O
it	O
is	O
usually	O
sold	O
with	O
Windows	O
XP	O
pre-installed	O
,	O
its	O
default	O
configuration	O
has	O
512MiB	O
DDR2	O
SDRAM	O
and	O
4/8GB	O
flash	B-Operating_System
.	O
</s>
<s>
The	O
3G	O
support	O
is	O
limited	O
to	O
few	O
USB	B-Protocol
3G	O
modems	O
as	O
a	O
result	O
of	O
the	O
old	O
kernel	O
.	O
</s>
<s>
While	O
it	O
is	O
possible	O
to	O
install	O
gnash	B-Language
in	O
order	O
to	O
obtain	O
Flash	B-Operating_System
support	O
,	O
it	O
has	O
been	O
reported	O
that	O
the	O
processor	O
is	O
too	O
slow	O
,	O
so	O
that	O
it	O
can	O
take	O
near	O
enough	O
to	O
ten	O
minutes	O
or	O
more	O
for	O
something	O
to	O
load	O
.	O
</s>
