/sys$common/syshlp/SYSMANHELP.HLB  —  IO  CONNECT  Qualifiers  /MAX_UNITS
       /MAX_UNITS=maximum-number-of-units

    Specifies the maximum number of units the driver can support. The
    default is specified in the driver prologue table (DPT) of the
    driver. If the number is not specified in the DPT, the default
    is 8. This number must be greater than or equal to the number of
    units specified by /NUM_UNITS. This qualifier is optional.
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