)
Values MS-DOS 5.0-6.0 FASTOPEN is additionally called with:
	AL = 04h  purge FASTOPEN cache
	    AH = 03h
	    ???
	AL = 05h ???
	    DL = drive (00h = A:)
	    ???
	AL = 06h ???
	    ???
SeeAlso: #02611,#02612