INT 67 - MICEMM v4D, RM386 - INSTALLATION CHECK                                 
	AX = 5BF0h
Return: AH = 00h if MICEMM or RM386 present
	    BX = code segment of driver
Program: MICEMM is the Micronics Expanded Memory Manager; RM386 is the memory
	  manager included in Helix Software's Netroom
SeeAlso: AH=3Fh,AX=5BE0h,AX=5BF1h