MULTITHREAD controls the availability of kernel threads
    functions. Specify one of the following values:

    Value            Description

    0                Both Thread Manager upcalls and the creation of
                     multiple kernel threads are disabled.

    1                Thread Manager upcalls are enabled; the creation
                     of multiple kernel threads is disabled.

    2-256 (Alpha     Both Thread Manager upcalls and the creation
    and Integrity    of multiple kernel threads are enabled. The
    servers)         number specified represents the maximum number
                     of kernel threads that can be created for a
                     single process.

    The maximum value for MULTITHREAD is 256.

    MULTITHREAD is an AUTOGEN and DYNAMIC parameter.