INT 13 - Seagate - ??? - RETURN IDENTIFICATION

	AX = 5504h
	DX = drive (bit 7 set for hard disk)
Return: CF clear if successful
	    AX = 4321h if ST01/ST02h
	    AX = 4322h if ??? Seagate controller
	CF set on error
SeeAlso: AX=5505h,AX=5514h