<s>
In	O
computer	B-Architecture
hardware	I-Architecture
,	O
a	O
white	B-General_Concept
box	I-General_Concept
is	O
a	O
personal	B-Device
computer	I-Device
or	O
server	B-Application
without	O
a	O
well-known	O
brand	O
name	O
.	O
</s>
<s>
The	O
term	O
is	O
usually	O
applied	O
to	O
systems	O
assembled	O
by	O
small	O
system	O
integrators	O
and	O
to	O
homebuilt	B-Device
computer	I-Device
systems	O
assembled	O
by	O
end	O
users	O
from	O
parts	O
purchased	O
separately	O
at	O
retail	O
.	O
</s>
<s>
In	O
this	O
sense	O
,	O
building	O
a	O
white	B-General_Concept
box	I-General_Concept
system	O
is	O
part	O
of	O
the	O
DIY	O
movement	O
.	O
</s>
<s>
The	O
term	O
is	O
also	O
applied	O
to	O
high	O
volume	O
production	O
of	O
unbranded	O
PCs	B-Device
that	O
began	O
in	O
the	O
mid-1980s	O
with	O
8MHz	O
Turbo	B-General_Concept
XT	I-General_Concept
systems	O
selling	O
for	O
just	O
under	O
$1000	O
.	O
</s>
<s>
In	O
2002	O
,	O
around	O
30%	O
of	O
personal	B-Device
computers	I-Device
sold	O
annually	O
were	O
white	B-General_Concept
box	I-General_Concept
systems	O
.	O
</s>
<s>
While	O
PCs	B-Device
built	O
by	O
system	O
manufacturers	O
generally	O
come	O
with	O
a	O
pre-installed	B-Application
operating	B-General_Concept
system	I-General_Concept
,	O
white	B-General_Concept
boxes	I-General_Concept
from	O
both	O
large	O
and	O
small	O
system	O
vendors	O
and	O
other	O
VAR	O
channels	O
can	O
be	O
ordered	O
with	O
or	O
without	O
a	O
pre-installed	B-Application
OS	O
.	O
</s>
<s>
Usually	O
when	O
ordered	O
with	O
an	O
operating	B-General_Concept
system	I-General_Concept
,	O
the	O
system	B-Device
builder	I-Device
uses	O
an	O
OEM	O
copy	O
of	O
the	O
OS	O
.	O
</s>
<s>
Intel	O
defined	O
form	O
factor	O
and	O
interconnection	O
standards	O
for	O
notebook	O
computer	B-Architecture
components	I-Architecture
,	O
including	O
"	O
Barebones	O
"	O
(	O
chassis	O
and	O
motherboard	B-Device
)	O
,	O
hard	B-Device
disk	I-Device
drive	I-Device
,	O
optical	O
disk	O
drive	O
,	O
LCD	B-Device
,	O
battery	O
pack	O
,	O
keyboard	O
,	O
and	O
AC/DC	O
adapter	O
.	O
</s>
<s>
These	O
building	O
blocks	O
are	O
primarily	O
marketed	O
to	O
computer	B-Device
building	I-Device
companies	O
,	O
rather	O
than	O
DIY	O
users	O
.	O
</s>
<s>
While	O
saving	O
money	O
is	O
a	O
common	O
motivation	O
for	O
building	O
one	O
's	O
own	O
PC	B-Device
,	O
today	O
it	O
is	O
generally	O
more	O
expensive	O
to	O
build	O
a	O
low-end	O
PC	B-Device
than	O
to	O
buy	O
a	O
pre-built	O
one	O
from	O
a	O
well-known	O
manufacturer	O
,	O
due	O
to	O
the	O
build	O
quality	O
and	O
the	O
total	O
cost	O
of	O
the	O
parts	O
being	O
used	O
.	O
</s>
