INT 2F U - DR DOS 6.0+ - BOOT PHASE BROADCASTS FOR MEMORYMAX/RPLOADER/SECURITY  
	AX = 12FFh
	BX = 0005h
	CX = 0000h
	DX = function
	    0000h MemoryMAX cleanup broadcast
	    0001h RPLOADER broadcast
	    !!! details to follow
Note:	called at three separate points inside IBMBIO.COM