/sys$common/syshlp/helplib.hlb Sys Parameters, MC_SERVICES_P1  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    (Alpha only) This special parameter is reserved for Compaq use.
    Its value must be the same on all nodes connected by MEMORY
    CHANNEL.

    MC_SERVICES_P1 is a DYNAMIC parameter.