Format of AMI PCI BIOS chipset identification:
Offset	Size	Description	)
 00h	WORD	vendor ID (see #00732 at AX=B102h)
		8086h = Intel
 02h	WORD	device ID
		0484h (BL=01h)
		04A3h (BL=00h)
 04h	BYTE	low byte of PCI Command Register
 05h  7 BYTEs	unused (00h)