VMS Help V73 Features, System Management Features, New System Parameters, NPAGERAD (Alpha)  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    NPAGERAD specifies the total number of bytes of nonpaged pool
    that will be allocated for Resource Affinity Domains (RADs) other
    than the base RAD. For platforms that have no RADs, NPAGERAD
    is ignored. Notice that NPAGEDYN specifies the total amount of
    nonpaged pool for all RADs.

    Also notice that the OpenVMS system might round the specified
    values higher to an even number of pages for each RAD, which
    prevents the base RAD from having too little nonpaged pool. For
    example, if the hardware is an AlphaServer GS160 with 4 RADs:

    NPAGEDYN = 6291456 bytes
    NPAGERAD = 2097152 bytes

    In this case, the OpenVMS system allocates a total of
    approximately 6,291,456 bytes of nonpaged pool. Of this amount,
    the system divides 2,097,152 bytes among the RADs that are not
    the base RAD. The system then assigns the remaining 4,194,304
    bytes to the base RAD.