INT 2F U - Quarterdeck RPCI - MANIFEST v1.0+ - INSTALLATION CHECK               
	AX = D201h
	BX = 4D41h ("MA")
	CX = 4E49h ("NI")
	DX = 4645h ("FE")
Return: BX = 5354h ("ST") if installed
Range:	AH=C0h to AH=FFh, selected by scanning AH=D2h-FFh, then AH=C0h-D1h
SeeAlso: AX=D200h