Format of Future Domain controller unique parameters:
Offset	Size	Description	)
 00h	WORD	controller features
 02h	WORD	controller main I/O port
 04h	WORD	controller alternate I/O port
 06h	BYTE	controller IRQ
 07h	BYTE	??? (00h or 01h)
 08h	BYTE	??? (00h or 01h)
 09h  7 BYTEs	reserved (0)
SeeAlso: #90003