 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ] PAUL TICE          ]    PASS PROGRAM NOTE        ]      100710      ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE:  MAR. 1988 ]
 ] IBM/282-7297       ]      RELEASE NOTE( )        ] REV A: 01/03/91  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ]   OI7D AND SUBS               ]  CREW ( )  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW (X)  GNC ( )  VU ( )  SM/PL ( )] 0                               ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA: IPL, GPC                                         ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: SDPS, SS2                                      ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ] MTU RESET NOT PERFORMED IN PRIMARY GPC INITIALIZATION               ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ] AT PRIMARY GPC INITIALIZATION, ONE OR BOTH OF THE FOLLOWING         ]
 ] MAY OCCUR:                                                          ]
 ]    1) A "PMU TIME INVALID" GPC ERROR (GROUP 6,CODE 6) MAY BE LOGGED.]
 ]                                                                     ]
 ]    2) DOWNLIST-DOWNLINK SYNCHRONIZATION (PSEUDO-SYNC) MAY NOT BE    ]
 ]       ESTABLISHED.                                                  ]
 ]                                                                     ]
 ] THIS MAY BE DUE TO ERRONEOUS MTU VOTED TIME (CAUSED BY READING MTU  ]
 ] BEFORE AN MTU RESET IS PERFORMED), A BAD PMU, OR A BAD MTU.         ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ]                                                                     ]
 ] BE AWARE OF THE ABOVE CONDITIONS.                                   ]
 ]                                                                     ]
 ] A TIME SYNC (SPEC 2, ITEM 38, WHICH PERFORMS AN MTU RESET),         ]
 ] FOLLOWED BY AN INITIAL GMT UPDATE GREATER THAN OR EQUAL TO 15       ]
 ] MILLISECONDS WILL ESTABLISH PSEUDO-SYNC AND THE GPC ERROR WILL      ]
 ] NOT REOCCUR IF THE ORIGINAL PROBLEM WAS CAUSED BY READING THE       ]
 ] MTU PRIOR TO PERFORMING AN MTU RESET.                               ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM: PATTI A. THORNTON    DATE 01/15/91]                             ]
 ]    --------------------      ---------]                             ]
 ]FDSD:  ROBERT N. HINSON   DATE 01/16/91]                             ]
 ]     -------------------      ---------] DARRELL E. STAMPER 01/22/91 ]
 ]PF MGR:ELIZABETH FOUNTAIN DATE 01/16/91]------------------- -------- ]
 ]       ------------------     ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
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