Format of Extended System Configuration Data Freeform PCI Device Data:
Offset	Size	Description	)
 00h	BYTE	PCI bus number
 01h	BYTE	PCI device and function number
 02h	WORD	PCI device identifier
 04h	WORD	PCI vendor ID (see #00732 at INT 1A/AX=B102h)
 06h  2 BYTEs	reserved (00h)
SeeAlso: #01247,#01250