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Annotation of researchv10dc/dist/man/v4/man4/rp.4, revision 1.1.1.1

1.1       root        1: .th RP IV 10/15/73
                      2: .sh NAME
                      3: rp \*- RP-11/RP03 moving-head disk
                      4: .sh DESCRIPTION
                      5: The files
                      6: .it "rp0 ... rp7"
                      7: refer to sections of RP disk drive 0.
                      8: The files
                      9: .it "rp8 ... rp15"
                     10: refer to drive 1 etc.
                     11: This is done since the size of
                     12: a full RP drive is 81200 blocks and
                     13: internally the system is only capable
                     14: of addressing 65536
                     15: blocks.
                     16: Also since the disk is so large,
                     17: this allows it to be broken up
                     18: into more manageable pieces.
                     19: .s3
                     20: The origin and size of the pseudo-disks on each drive are
                     21: as follows:
                     22: .s3
                     23: .br
                     24:        disk    start   length
                     25: .br
                     26:        0       0       40600
                     27: .br
                     28:        1       40600   40600
                     29: .br
                     30:        2       0       3200
                     31: .br
                     32:        3       3200    39000
                     33: .br
                     34:        4       42200   39000
                     35: .br
                     36:        5-7     unassigned
                     37: .sh FILES
                     38: /dev/rp?
                     39: .sh BUGS

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