Quadram Inc, Norcross, Georgia, has three memory and multifunction boards for the IBM Personal System/2 Models 50 and 60: the QuadMEG PS/Q is a 512Kb, 1Mb and 2Mb memory board; the QuadPort PS/Q an input-output board with a bi-directional parallel and one RS-232C expandable to three; and the Quadboard PS/Q 2Mb multifunction board combines the two features in a single board.