UNIX/v7m 2.0 disk layout for RK06/7 (hk) RK06 RK07 sectors/track 22 22 tracks/cylinder 3 3 cylinders/pack 411 815 blocks/cylinder 66 66 blocks/pack 27126 53790 pseudo start # of cyl # of usage disk block blocks range cyl's 0 0 9636 0-145 146 rp0, root for rk06/7 1 9636 8910 146-280 135 swap, swap area for rk06/7 2 18546 8514 281-409 129 rp2, /sys, system sources rk06/7 3 27126 26598 411-813 403 rp3, /usr, user + sources rk07 4 spare, for avoiding bad blocks 5 spare, for avoiding bad blocks 6 0 27060 0-409 410 rp3, /usr, user + sources rk06 7 0 53724 0-813 814 user, all of rk07 (2nd drive)