 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] SMS:  D018B      ]
 ] T. FOWLER          ]    BFS PROGRAM NOTE         ] DR:              ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE:  07/24/84  ]
 ] RI/KSC  861-4658   ]      RELEASE NOTE ( )       ] REV A: 09/10/96  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ] ALL                           ]  CREW (X)  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]           MAJOR SOFTWARE AREA:            ] OPS MODES AFFECTED:     ]
 ]BSL( )BSS( )GNC( )SEQ( )SMSP( )IPL(X)DCP(X)]  IPL, INIT OPS 0, PL9   ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA: DCP (DCP 8.07)                                   ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: MG017300                                       ]
 ]_____________________________________________________________________]
 ] TITLE: EXPECTED BITE ERRORS DURING DEU IPL AND SASTP                ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ] THERE IS A POSSIBILITY THAT A DEU WATCHDOG TIMEOUT MAY OCCUR:       ]
 ] A) DURING A DEU LOAD FROM PASS OR GPCIPL;                           ]
 ] B) WHEN SASTP IS INITIATED; OR                                      ]
 ] C) WHEN SASTP IS TERMINATED.                                        ]
 ] THE TIMEOUT OCCURS WHILE THE DCP IS PERFORMING CHECKSUM PROCESSING  ]
 ] OF THE DEU CRITICAL FORMATS AND HAPPENS SUBSEQUENT TO THE EXPECTED  ]
 ] WATCHDOG TIMEOUT WHICH RESULTS FROM DCP INITIALIZATION. DURING THE  ]
 ] CHECKSUM PROCESS, THE SOFTWARE MAY NOT RESET THE WATCHDOG TIMER     ]
 ] WITHIN THE REQUIRED 36 MILLISECONDS. THIS RESULTS IN SYMBOL         ]
 ] GENERATOR DISPLAY WRAP AND CPU SOFTWARE FAIL BITE BITS BEING SET    ]
 ] MOMENTARILY, BUT THE DEU LOAD/SASTP OPERATION IS OTHERWISE          ]
 ] UNAFFECTED.                                                         ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ]                                                                     ]
 ] DEU LOAD CASE: VERIFY THE DOWNLISTED BITE STATUS REGISTER CONTENTS  ]
 ] SHOW THE SYMBOL GENERATOR DISPLAY WRAP AND CPU SOFTWARE FAIL BITS   ]
 ] SET AND THE INITIALIZATION PERFORMED BIT NOT SET FOR ONE SAMPLE     ]
 ] FOLLOWING THE DEU LOAD. IF DOWNLIST IS NOT AVAILABLE (LOAD WAS FROM ]
 ] GPCIPL), USE OTP TO VERIFY THE SAME BITE REGISTER CONTENTS AT       ]
 ] LOCATIONS 0F54-0F56                                                 ]
 ]                                                                     ]
 ] SASTP CASE: THE CPU SOFTWARE FAIL BIT WILL BE SET ON THE SASTP TEST ]
 ] DISPLAY AND WILL REMAIN SET UNTIL THE SASTP IS TERMINATED. IF THE   ]
 ] ANOMALY OCCURS WHEN SASTP IS TERMINATED, BITE BITS WILL BE          ]
 ] MOMENTARILY VISIBLE ON THE GPCIPL MENU DISPLAY                      ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]RI: <S> D. CORBIN         DATE 10/30/96]                             ]
 ]    --------------------      ---------]                             ]
 ]ASD:  ERIC C. BINGHAM     DATE 11/05/96]                             ]
 ]    --------------------      ---------] DARRELL E. STAMPER 11/08/96 ]
 ]PF MGR:  MARCIA KERR      DATE 11/05/96]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_____________________________________________________________________]
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