 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ] M. MILLER          ]    PASS PROGRAM NOTE        ]       46507      ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE:  SEP. 1987 ]
 ] LSIS/282-7167      ]      RELEASE NOTE( )        ] REV A: 07/03/95  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ]  OI-02 AND SUBS               ]  CREW ( )  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW (X)  GNC (X)  VU (X)  SM/PL (X)]   G1, G2, G3, G6, G8, G9,       ]
 ]                                   ]   S2, S4, P9                    ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA: LDB, CYCLE-WRAP                                  ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: SACH                                           ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ]                     CYCLE OVERRUNS                                  ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ]   WHEN THE FLIGHT SOFTWARE IS EXECUTING AT A HIGH PROCESSING I/O    ]
 ]   LEVEL, A CYCLE OVERRUN (GROUP=2 CODE=0D GPC ERROR) MAY OCCUR IN   ]
 ]   LOWER PRIORITY PROCESSES.  FOR EXAMPLE, IN G9, LDB POLLING (DGI)  ]
 ]   IS ONE OF THE LOWER PRIORITY PROCESSES THAT CAN EXPERIENCE A      ]
 ]   CYCLE OVERRUN.                                                    ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]USER RESPONSE:                                                       ]
 ]                                                                     ]
 ]    BE AWARE THAT LOWER PRIORITY PROCESSES MAY CYCLE OVERRUN         ]
 ]    (I.E., IN THE CASE OF LDB POLLING, A STATUS RESPONSE MAY BE      ]
 ]    LOST).                                                           ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]LSIS:   JEAN L. ZOPHY     DATE 10/10/95]                             ]
 ]     -------------------      ---------]                             ]
 ]ASD:   ERIC C. BINGHAM    DATE 10/10/95]                             ]
 ]     -------------------      ---------] DARRELL E. STAMPER 10/12/95 ]
 ]PF MGR: KAYLENE F. KINDT  DATE 10/11/95]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
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