INT 21 U - Qualitas 386MAX v6.01+ - TURN 386MAX OFF                             
	AX = 4403h subfn 01h
	BX = handle for device "386MAX$$"
	DS:DX -> BYTE 01h
	CX ignored
Return: DS:DX -> BYTE status (00h = successful)
	CF clear if successful
	    AX destroyed
	CF set on error
	    AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)
Note:	this function will fail if any EMSsee Expanded Memory Specification or UMBs are in use
SeeAlso: AX=4403h/SF=02h,AX=4403h/SF=03h,AX=4403h/SF=05h