<s>
The	O
Sony	B-Device
Vaio	I-Device
SR	I-Device
series	I-Device
was	O
a	O
line	O
of	O
consumer-grade	O
notebook	B-Device
computers	I-Device
from	O
Sony	O
introduced	O
in	O
July/August	O
2008	O
to	O
replace	O
the	O
Sony	B-Device
Vaio	I-Device
C	I-Device
series	I-Device
range	O
(	O
they	O
could	O
also	O
be	O
seen	O
as	O
competing	O
with	O
the	O
lower	O
end	O
SZ	O
models	O
)	O
,	O
as	O
a	O
part	O
of	O
the	O
Intel	O
Centrino	O
2	O
launch	O
.	O
</s>
<s>
As	O
with	O
the	O
SZ	O
and	O
C	O
series	O
laptops	B-Device
,	O
the	O
SR	O
uses	O
a	O
16:10	O
ratio	O
1280x800	O
LED-backlit	O
screen	O
.	O
</s>
<s>
Base-line	O
models	O
feature	O
integrated	O
Intel	O
4500MHD	O
graphics	O
,	O
while	O
higher-end	O
laptops	B-Device
are	O
equipped	O
with	O
ATI	O
Mobility	O
Radeon	O
HD	O
3470	O
graphics	O
(	O
in	O
later	O
models	O
the	O
ATI	O
Mobility	O
Radeon	O
HD	O
4570	O
is	O
the	O
discrete	O
graphics	O
option	O
)	O
.	O
</s>
