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

    (VAX only) This parameter enables (1)  SBI error detection and
    logging.

    This special parameter is used by Compaq and is subject to
    change. Do not change this parameter unless Compaq recommends
    that you do so.