1982-08-31 /BB-BL69A-SB_1984/01/extexp.mic 1984-08-09 /BB-AS80B-SM_1985/01/sources/extexp.mic 1985-07-24 /BB-BL69C-SB_1986/01/extexp.mic 1986-02-08 /BB-AS80D-SM_1986/01/microcode-sources/extexp.mic 1986-02-08 /BB-BL69D-SB_1986/01/extexp.mic 1986-02-08 /klu2_442/01/extexp.mic