Format of EDD v3.0 Interface Path:
Offset	Size	Description	)
---ISA---
 00h	WORD	16-bit base address
 02h  6 BYTEs	reserved (0)
---PCI---
 00h	BYTE	PCI bus number
 01h	BYTE	PCI device number
 02h	BYTE	PCI function number
 03h  5 BYTEs	reserved (0)
SeeAlso: #00273,#00276