<s>
Qisda	B-Application
ES900	I-Application
is	O
a	O
discontinued	O
electronic-book	O
reader	O
developed	O
by	O
Qisda	O
Corporation	O
and	O
based	O
on	O
a	O
Linux	B-Operating_System
platform	O
.	O
</s>
<s>
Qisda	B-Application
ES900	I-Application
provides	O
a	O
16	O
levels	O
of	O
grayscale	O
SiPix	O
touchscreen	B-Device
display	O
for	O
viewing	O
digital	O
content	O
.	O
</s>
<s>
Pages	O
are	O
turned	O
using	O
the	O
buttons	O
on	O
the	O
device	O
or	O
touchscreen	B-Device
.	O
</s>
<s>
Being	O
that	O
the	O
hardware	O
utilizes	O
Linux-based	O
software	O
it	O
can	O
be	O
changed	O
or	O
improved	O
to	O
the	O
owners	O
content	O
.	O
</s>
<s>
When	O
a	O
device	O
specific	O
key	O
combination	O
is	O
pressed	O
during	O
power-on	O
any	O
linux-kernel	O
+	O
ramdisk	O
combination	O
is	O
booted	O
from	O
the	O
sd-card	O
.	O
</s>
