A bit array where the presence of a particular bit indicates a failure of a specific Power On Self Test. Bit 0 - System Board Failure Bit 1 - CPU Buffer Failure Bit 2 - Notify RAM Failure Bit 3 - Supervisor ASIC Failure Bit 4 - Data Buffer Failure Bit 5 - Buffer Table Failure Bit 6 - Satellite ASIC Failure Bit 7 - Front End Failure