Format of parameter block for function 7Fh for SystemSoft ATADRV.EXE:
Offset	Size	Description	)
 00h	DWORD	-> unknown location within driver
Note:	function supported by the SystemSoft ATADRV.EXE PCMCIA/ATA driver
	  but not by the Award PCDISK.EXE PCMCIA/ATA driver
SeeAlso: #01574