1983-03-15 /BB-L014E-BM/01/autopatch/algv12.ctl 1986-01-23 /bb-l014q-bm_tops20_v6_1_atpch17/01/autopatch/algv12.ctl 1988-03-18 /bb-l014r-bm_tops20_v6_1_atpch_18/01/autopatch/algv12.ctl 1988-05-18 /bb-l014t-bm_tops20_v7_0_atpch20/01/autopatch/algv12.ctl 1988-05-18 /bb-l014w-bm_tops20_v7_0_atpch_23/01/autopatch/algv12.ctl 1988-05-18 /bb-y390n-bm_tops20_v41_atpch_19/01/autopatch/algv12.ctl 1988-05-18 /bb-y390o-bm_tops20_v41_atpch_20/01/autopatch/algv12.ctl