<s>
Aspire	O
Timeline	O
is	O
a	O
series	O
of	O
notebook	B-Device
computers	I-Device
manufactured	O
by	O
Acer	O
Inc	O
.	O
designed	O
to	O
achieve	O
battery	O
life	O
in	O
excess	O
of	O
eight	O
hours	O
with	O
ultrathin	O
designs	O
.	O
</s>
<s>
The	O
first	O
generation	O
Acer	O
Timeline	O
models	O
use	O
Intel	O
's	O
ultra	B-General_Concept
low	I-General_Concept
voltage	I-General_Concept
(	O
ULV	O
)	O
processors	O
and	O
Intel	O
's	O
Laminar	O
Wall	O
Jet	O
technology	O
.	O
</s>
<s>
In	O
2010	O
,	O
Acer	O
launched	O
a	O
new	O
Aspire	O
TimelineX	O
series	O
that	O
employ	O
Intel	B-Device
Core	I-Device
processors	O
.	O
</s>
<s>
It	O
measures	O
13.3	O
inches	O
and	O
has	O
a	O
1366×768	O
LED	O
backlit	O
LCD	O
,	O
NVIDIA	O
GeForce	O
GT540M	O
graphics	O
and	O
an	O
Intel	O
Hd	O
2000/3000	O
,	O
it	O
switches	O
between	O
the	O
two	O
using	O
Nvidia	O
's	O
Optimus	B-Application
technique	O
.	O
</s>
<s>
A	O
500GB	O
hard	O
drive	O
for	O
storage	O
,	O
4GB	O
DDR3	O
RAM	O
and	O
3	O
USB	O
2.0	O
ports	O
,	O
of	O
which	O
are	O
USB	O
2.0	O
and	O
one	O
of	O
them	O
being	O
a	O
3.0	O
port	O
that	O
can	O
be	O
used	O
to	O
charge	O
external	O
devices	O
when	O
the	O
laptop	B-Device
is	O
turned	O
off	O
.	O
</s>
<s>
In	O
2012	O
,	O
Acer	O
introduced	O
the	O
new	O
Aspire	O
M3	O
of	O
the	O
Timeline	O
Ultra	O
family	O
The	O
Acer	B-Device
Aspire	I-Device
Timeline	I-Device
Ultra	O
series	O
is	O
slim	O
and	O
light	O
,	O
just	O
20mm	O
thin	O
.	O
</s>
<s>
The	O
Aspire	O
Timeline	O
Ultra	O
M3-581TG	O
contains	O
an	O
Intel	B-Device
Core	I-Device
i7-2637M	O
ULV	O
processor	O
,	O
up	O
to	O
6GB	O
of	O
RAM	O
.	O
</s>
<s>
The	O
Acer	B-Device
Aspire	I-Device
line	O
was	O
generally	O
well	O
received	O
.	O
</s>
