<s>
63	O
The	O
operating	B-General_Concept
system	I-General_Concept
may	O
not	O
automatically	O
assign	O
a	O
drive	O
letter	O
to	O
the	O
volume	O
.	O
</s>
<s>
In	O
Microsoft	O
operating	B-General_Concept
systems	I-General_Concept
,	O
when	O
using	O
basic	O
disk	O
partitioned	O
with	O
GUID	B-Application
Partition	I-Application
Table	I-Application
(	O
GPT	O
)	O
layout	O
,	O
a	O
basic	B-Application
data	I-Application
partition	I-Application
(	O
BDP	O
)	O
is	O
any	O
partition	B-Application
identified	O
with	O
Globally	O
Unique	O
Identifier	O
(	O
GUID	O
)	O
of	O
.	O
</s>
<s>
According	O
to	O
Microsoft	O
,	O
the	O
basic	B-Application
data	I-Application
partition	I-Application
is	O
the	O
equivalent	O
to	O
master	B-Device
boot	I-Device
record	I-Device
(	O
MBR	O
)	O
partition	B-Application
types	O
(	O
FAT16B	B-Application
)	O
,	O
(	O
NTFS	B-Application
or	O
exFAT	B-Application
)	O
,	O
and	O
(	O
FAT32	B-Application
)	O
.	O
</s>
<s>
In	O
practice	O
,	O
it	O
is	O
equivalent	O
to	O
(	O
FAT12	B-Application
)	O
,	O
(	O
FAT16	B-Application
)	O
,	O
(	O
FAT32	B-Application
with	O
logical	B-Device
block	I-Device
addressing	I-Device
)	O
,	O
and	O
(	O
FAT16	B-Application
with	O
logical	B-Device
block	I-Device
addressing	I-Device
)	O
types	O
as	O
well	O
.	O
</s>
<s>
A	O
basic	B-Application
data	I-Application
partition	I-Application
can	O
be	O
formatted	O
with	O
any	O
file	B-Application
system	I-Application
,	O
although	O
most	O
commonly	O
BDPs	O
are	O
formatted	O
with	O
the	O
NTFS	B-Application
,	O
exFAT	B-Application
,	O
or	O
FAT32	B-Application
file	B-Application
systems	I-Application
.	O
</s>
<s>
To	O
programmatically	O
determine	O
which	O
file	B-Application
system	I-Application
a	O
BDP	O
contains	O
,	O
Microsoft	O
specifies	O
that	O
one	O
should	O
inspect	O
the	O
BIOS	B-Device
Parameter	I-Device
Block	I-Device
that	O
is	O
contained	O
in	O
the	O
BDP	O
's	O
Volume	B-Device
Boot	I-Device
Record	I-Device
.	O
</s>
<s>
When	O
a	O
Microsoft	O
operating	B-General_Concept
system	I-General_Concept
converts	O
a	O
GPT-partitioned	O
basic	O
disk	O
to	O
a	O
dynamic	O
disk	O
,	O
all	O
BDPs	O
are	O
combined	O
and	O
converted	O
to	O
a	O
single	O
Logical	O
Disk	O
Manager	O
data	O
partition	B-Application
identified	O
with	O
GUID	O
.	O
</s>
<s>
This	O
is	O
analogous	O
to	O
the	O
conversion	O
from	O
partition	B-Application
types	O
,	O
,	O
,	O
,	O
,	O
,	O
and	O
to	O
partition	B-Application
type	O
on	O
MBR	O
partitioned	O
disks	O
.	O
</s>
<s>
Linux	O
used	O
the	O
same	O
partition	B-Application
type	O
GUID	O
for	O
basic	B-Application
data	I-Application
partition	I-Application
as	O
Windows	O
prior	O
to	O
introduction	O
of	O
a	O
Linux	O
specific	O
Data	O
Partition	B-Application
GUID	O
.	O
</s>
