<s>
The	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
HD	B-Operating_System
DVD	I-Operating_System
Player	O
is	O
a	O
discontinued	O
accessory	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
console	O
that	O
enables	O
the	O
playback	O
of	O
movies	O
on	O
HD	B-Operating_System
DVD	I-Operating_System
discs	O
.	O
</s>
<s>
Bill	O
Gates	O
announced	O
during	O
his	O
keynote	O
speech	O
at	O
CES	O
2006	O
that	O
an	O
external	O
HD	B-Operating_System
DVD	I-Operating_System
drive	O
would	O
be	O
released	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
during	O
2006	O
.	O
</s>
<s>
At	O
E3	O
2006	O
,	O
Microsoft	O
officially	O
presented	O
the	O
external	O
HD	B-Operating_System
DVD	I-Operating_System
drive	O
.	O
</s>
<s>
According	O
to	O
Japan	O
's	O
chief	O
of	O
Xbox	B-Operating_System
operations	O
,	O
Yoshihiro	O
Maruyama	O
,	O
Microsoft	O
would	O
not	O
release	O
Xbox	B-Operating_System
360	I-Operating_System
games	O
in	O
the	O
new	O
disc	O
formats	O
.	O
</s>
<s>
On	O
February	O
23	O
,	O
2008	O
,	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
HD	B-Operating_System
DVD	I-Operating_System
player	O
was	O
abandoned	O
by	O
Microsoft	O
.	O
</s>
<s>
This	O
decision	O
came	O
just	O
days	O
after	O
Toshiba	O
's	O
announcement	O
to	O
discontinue	O
all	O
HD	B-Operating_System
DVD	I-Operating_System
players	O
and	O
effectively	O
end	O
the	O
format	O
war	O
between	O
Blu-ray	O
and	O
HD	B-Operating_System
DVD	I-Operating_System
.	O
</s>
<s>
Two	O
days	O
later	O
,	O
the	O
price	O
of	O
the	O
HD	B-Operating_System
DVD	I-Operating_System
Player	O
was	O
reduced	O
to	O
a	O
clearance	O
price	O
of	O
$49.99	O
.	O
</s>
<s>
Peter	O
Moore	O
had	O
stated	O
that	O
if	O
HD	B-Operating_System
DVD	I-Operating_System
loses	O
the	O
format	O
war	O
,	O
Microsoft	O
may	O
also	O
release	O
an	O
external	O
Blu-ray	O
drive	O
.	O
</s>
<s>
Special	O
black	O
versions	O
of	O
the	O
drive	O
,	O
along	O
with	O
black	O
media	O
remotes	O
,	O
were	O
given	O
to	O
members	O
of	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
HD	B-Operating_System
DVD	I-Operating_System
development	O
team	O
.	O
</s>
<s>
Unlike	O
other	O
black	O
accessories	O
which	O
were	O
created	O
alongside	O
the	O
black	O
Elite	O
console	O
,	O
the	O
black	O
HD	B-Operating_System
DVD	I-Operating_System
drive	O
was	O
never	O
made	O
available	O
to	O
the	O
general	O
public	O
.	O
</s>
<s>
The	O
HD	B-Operating_System
DVD	I-Operating_System
player	O
connects	O
to	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
using	O
a	O
mini	O
USB	B-Protocol
connection	O
.	O
</s>
<s>
All	O
of	O
the	O
audio	O
and	O
video	O
processing	O
and	O
output	O
come	O
from	O
Xbox	B-Operating_System
360	I-Operating_System
itself	O
.	O
</s>
<s>
The	O
unit	O
can	O
also	O
function	O
as	O
a	O
USB	B-Protocol
hub	O
,	O
with	O
2	O
ports	O
on	O
the	O
rear	O
.	O
</s>
<s>
It	O
also	O
includes	O
a	O
clip	O
for	O
attaching	O
the	O
wireless	O
network	O
adapter	O
to	O
it	O
,	O
much	O
like	O
what	O
Xbox	B-Operating_System
360	I-Operating_System
consoles	O
of	O
the	O
time	O
had	O
.	O
</s>
<s>
The	O
device	O
also	O
has	O
an	O
integrated	O
256MB	O
memory	O
unit	O
which	O
is	O
used	O
for	O
storage	O
of	O
HD	B-Operating_System
DVD	I-Operating_System
data	O
and	O
is	O
accessible	O
to	O
the	O
user	O
for	O
saving	O
other	O
data	O
such	O
as	O
saved	O
games	O
.	O
</s>
<s>
The	O
drive	O
plays	O
standard	O
DVDs	O
in	O
addition	O
to	O
HD	B-Operating_System
DVD	I-Operating_System
titles	O
;	O
however	O
it	O
does	O
not	O
read	O
Xbox	B-Operating_System
or	O
Xbox	B-Operating_System
360	I-Operating_System
game	O
discs	O
,	O
Audio	O
CDs	O
or	O
mixed	O
media	O
CDs	O
.	O
</s>
<s>
All	O
Xbox	B-Operating_System
360	I-Operating_System
games	O
continue	O
to	O
use	O
DVD-9	O
media	O
.	O
</s>
<s>
No	O
Xbox	B-Operating_System
360	I-Operating_System
with	O
a	O
built-in	O
HD	B-Operating_System
DVD	I-Operating_System
drive	O
was	O
ever	O
released	O
.	O
</s>
<s>
The	O
Toshiba	O
optical	O
drive	O
used	O
in	O
the	O
unit	O
can	O
read	O
Compact	O
Discs	O
and	O
DVDs	O
in	O
addition	O
to	O
HD	B-Operating_System
DVDs	I-Operating_System
when	O
connected	O
to	O
a	O
host	O
that	O
supports	O
reading	O
these	O
formats	O
(	O
such	O
as	O
a	O
PC	O
)	O
.	O
</s>
<s>
As	O
the	O
drive	O
communicates	O
via	O
a	O
generic	O
mass	O
storage	O
protocol	O
over	O
USB	B-Protocol
the	O
drive	O
can	O
be	O
used	O
as	O
a	O
standard	O
optical	O
drive	O
on	O
computers	O
and	O
operating	O
systems	O
that	O
support	O
USB	B-Protocol
optical	O
drives	O
.	O
</s>
<s>
The	O
operating	O
system	O
must	O
have	O
a	O
UDF	O
2.5	O
driver	O
to	O
read	O
data	O
from	O
HD	B-Operating_System
DVDs	I-Operating_System
.	O
</s>
<s>
In	O
addition	O
a	O
software	O
player	O
capable	O
of	O
playing	O
HD	B-Operating_System
DVD	I-Operating_System
titles	O
is	O
required	O
for	O
playback	O
of	O
video	O
.	O
</s>
<s>
The	O
256MB	O
internal	O
Memory	O
Unit	O
on	O
the	O
drive	O
which	O
is	O
used	O
for	O
storage	O
of	O
HD	B-Operating_System
DVD	I-Operating_System
features	O
is	O
also	O
accessible	O
by	O
manually	O
installing	O
USB	B-Protocol
Mass	O
Storage	O
drivers	O
.	O
</s>
<s>
Once	O
installed	O
,	O
this	O
can	O
be	O
formatted	O
for	O
use	O
as	O
a	O
storage	O
device	O
although	O
it	O
will	O
no	O
longer	O
function	O
on	O
an	O
Xbox	B-Operating_System
360	I-Operating_System
unless	O
it	O
is	O
reformatted	O
.	O
</s>
<s>
Windows	O
XP	O
does	O
not	O
have	O
a	O
built	O
in	O
UDF	O
2.5	O
driver	O
,	O
instead	O
requiring	O
a	O
third	O
party	O
one	O
to	O
be	O
installed	O
to	O
access	O
data	O
on	O
HD	B-Operating_System
DVDs	I-Operating_System
.	O
</s>
<s>
Newer	O
versions	O
of	O
Windows	O
and	O
Mac	B-Application
OS	I-Application
X	I-Application
10.5	I-Application
"	I-Application
Leopard	I-Application
"	I-Application
and	O
later	O
have	O
native	O
UDF	O
2.5	O
drivers	O
.	O
</s>
<s>
Mac	B-Application
OS	I-Application
X	I-Application
v10.5	I-Application
introduced	O
UDF	O
2.5	O
driver	O
support	O
for	O
reading	O
HD	B-Operating_System
DVDs	I-Operating_System
,	O
but	O
the	O
included	O
player	O
software	O
can	O
only	O
play	O
HD	B-Operating_System
DVDs	I-Operating_System
authored	O
by	O
DVD	B-Operating_System
Studio	I-Operating_System
Pro	I-Operating_System
.	O
</s>
<s>
The	O
retail	O
package	O
of	O
the	O
HD	B-Operating_System
DVD	I-Operating_System
player	O
contains	O
the	O
following	O
:	O
</s>
