1983-05-17 /BB-W661A-BM_1983/01/dn20/gan.map 1983-05-17 /BB-W661B-BM_1984/01/dn20/gan.map 1985-04-12 /bb-kl11c-bm_tops20_v6_1_atpch1_16/01/autopatch/gan.map 1985-04-12 /bb-kl11f-bm_tops20_v7_0_atpch1_19/01/autopatch/gan.map 1985-04-12 /bb-kl11i-bm_tops20_v7_0_atpch_1-22/01/autopatch/gan.map