Boot Configuration Data (BCD) Elements
BCD elements are contained within a BCD object. Some BCD elements can be associated only with certain objects, but some other can be applied to any type of boot environment application.
Element namespace is divided into three classes. The following table shows the classes and their associated numerical code.
Description |
Value |
Description |
Library |
0001 |
Elements can be applied to all boot environment applications. |
Application |
0010 |
Elements can be applied to only a particular class of boot environment applications, such as boot loaders. |
Device |
0011 |
Elements can be included only by device objects. |
BCD elements have distinct data types associated with the data values. A BCD element can contain a String, Object, Integer, or Boolean data type. The following table shows the types and their associated numerical code.
Description |
Value |
String |
0010 |
Object |
0011 |
Integer |
0101 |
Boolean |
0110 |
Source of Information: Microsoft White Paper on Boot Configuration Data