VMS Help Sys Parameters, MC_SERVICES_P5  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    (Alpha only) MC_SERVICES_P5 is reserved for Compaq use only and
    must remain at the default value of 8000000. This value must be
    the same on all nodes connected by MEMORY CHANNEL.

    MC_SERVICES_P5 is a DYNAMIC parameter.