1978-05-31 /bb-d868a-bm/01/system/mtboot.rdi 1978-09-08 /AP-4178E-RM/01/swskit-binaries/mtboot.rdi 1978-09-08 /bb-d868b-bm_tops20_v3a_2020_dist/01/new-system/mtboot.rdi 1979-12-14 /BB-D867C-BM/08/new-system/mtboot.rdi 1979-12-14 /BB-D867D-BM/08/new-system/mtboot.rdi 1979-12-14 /BB-D868C-BM/01/new-system/mtboot.rdi 1979-12-14 /BB-D868D-BM/01/new-system/mtboot.rdi 1979-12-14 /BB-J712A-BM/08/new-system/mtboot.rdi 1979-12-14 /BB-J713A-BM/01/new-system/mtboot.rdi 1979-12-14 /bb-d868c-bm_tops20_v4_2020_distr/01/new-system/mtboot.rdi 1980-07-31 /KS10_APT_INSTALL_TAPE/08/system/mtboot.rdi 1981-06-15 /red405a2/11/system/mtboot.rdi 1982-05-20 /bb-d868e-bm_tops20_v41_2020_dist_1of2/01/new-system/mtboot.rdi 1982-05-20 /BB-D867E-BM/08/new-system/mtboot.rdi 1986-11-24 /BB-Y390U-BM/01/t20sys/mtboot.rdi 1986-11-24 /BB-PC9LB-BM/01/t20sys/mtboot.rdi 1986-11-24 /BB-PC9LA-BM_1990/01/t20sys/mtboot.rdi