<s>
DockPort	B-Architecture
(	O
originally	O
codenamed	O
Lightning	B-Architecture
Bolt	I-Architecture
)	O
is	O
a	O
backward-compatible	B-General_Concept
extension	O
of	O
DisplayPort	B-Protocol
,	O
adding	O
USB	O
3.0	O
and	O
DC	O
power	O
,	O
in	O
addition	O
to	O
DisplayPort	B-Protocol
's	O
video	O
and	O
audio	O
signalling	O
.	O
</s>
<s>
DockPort	B-Architecture
was	O
developed	O
by	O
AMD	O
and	O
Texas	O
Instruments	O
,	O
two	O
member	O
companies	O
of	O
VESA	O
,	O
as	O
a	O
low-cost	O
alternative	O
to	O
Thunderbolt	B-Protocol
,	O
for	O
use	O
as	O
a	O
docking	O
interface	O
for	O
laptops	O
and	O
other	O
mobile	O
devices	O
.	O
</s>
<s>
The	O
Texas	O
Instruments	O
HD3SS2521	O
is	O
a	O
DockPort	B-Architecture
controller	O
that	O
routes	O
DisplayPort	B-Protocol
and	O
USB3.0	O
signals	O
along	O
with	O
power	O
over	O
a	O
standard	O
DisplayPort	B-Protocol
cable	O
.	O
</s>
<s>
It	O
was	O
unveiled	O
in	O
2013	O
,	O
and	O
used	O
as	O
the	O
basis	O
of	O
the	O
final	O
DockPort	B-Architecture
standard	O
.	O
</s>
<s>
The	O
docking	O
,	O
for	O
instance	O
,	O
can	O
provide	O
MST	O
hub	O
implementation	O
for	O
multiple	O
displays	O
(	O
through	O
DisplayPort	B-Protocol
,	O
HDMI	B-Protocol
,	O
DVI	B-Protocol
,	O
or	O
D-Sub	B-Protocol
)	O
,	O
a	O
SuperSpeed	O
USB	O
hub	O
,	O
alongside	O
audio	O
and	O
full	O
bandwidth	O
Gigabit	O
Ethernet	O
.	O
</s>
