160K 5.25-inch By meowmeowblub Sep 30, 1973 250K 8-inch Sep 30, 1976 500K 8-inch Sep 30, 1976 1.2 MB 8-inch Sep 20, 1978 360K 5.25-inch Sep 20, 1980 160K 5.25-inch 1-sided, 8-sector Sep 20, 1981 180K 5.25-inch 1-sided, 9-sector Sep 20, 1982 720K 3.5-inch Sep 20, 1982 1.2 MB 5.25-inch Sep 20, 1982 320K 5.25-inch Sep 20, 1987 2.88 MB 3.5-inch Sep 21, 1987 1.44 MB 3.5-inch