Boot Record
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The characters in this field shall be CD001.
8.1.3
Volume Descriptor Version (BP 7)
This field shall specify as an 8-bit number the version of the specification of the Volume Descriptor.
The content and the interpretation of this field shall depend on the content of the Volume Descriptor Type field.
This field shall be recorded according to 7.1.1.
8.1.4
Depends on Volume Descriptor Type (BP 8 to 2 048)
The content and the interpretation of this field shall depend on the content of the Volume Descriptor Type field.
8.2 Boot
Record
The Boot Record shall identify a system which can recognize and act upon the content of the field reserved for boot
system use in the Boot Record, and shall contain information which is used to achieve a specific state for a system
or for an application.
BP Field
name
Content
1
Volume Descriptor Type
numerical value
2 to 6
Standard Identifier
CD001
7
Volume Descriptor Version
numerical value
8 to 39
Boot System Identifier
a-characters
40 to 71
Boot Identifier
a-characters
72 to 2 048
Boot System Use
not specified
8.2.1
Volume Descriptor Type (BP 1)
This field shall specify an 8-bit number indicating that the Volume Descriptor is a Boot Record.
The number in this field shall be 0.
This field shall be recorded according to 7.1.1.
8.2.2
Standard Identifier (BP 2 to 6)
This field shall specify an identification of this Standard.
The characters in this field shall be CD001.
8.2.3
Volume Descriptor Version (BP 7)
This field shall specify as an 8-bit number the version of the specification of the Boot Record structure.
1 shall indicate the structure of this Standard.
This field shall be recorded according to 7.1.1.
8.2.4
Boot System Identifier (BP 8 to 39)
This field shall specify an identification of a system which can recognize and act upon the content of the Boot
Identifier and Boot System Use fields in the Boot Record.
The characters in this field shall be a-characters.
8.2.5
Boot Identifier (BP 40 to 71)
This field shall specify an identification of the boot system specified in the Boot System Use field of the Boot
Record.
The characters in this field shall be a-characters.
8.2.6
Boot System Use (BP 72 to 2048)
This field shall be reserved for boot system use. Its content is not specified by this Standard.
