The CD-ROM Media Device Path is used to define a system partition that exists on a CD-ROM.
Boot Entry number from the Boot Catalog. The Initial/Default entry is defined as zero.
Size of the partition in units of Blocks, also called Sectors.
Starting RBA of the partition on the medium. CD-ROMs use Relative logical Block Addressing.
See Implementation
The CD-ROM Media Device Path is used to define a system partition that exists on a CD-ROM.