progresscodecanbecustomizedtotthedatawidth.Thehigherthedatabit,thehigherthegranularity
ofinformationthatcanbesentontheprogressport.Theprogresscodesmaybereportedbythesystem
BIOSoroptionROMs.
Theresponsehasthreetypes:
•Minor:ThemessagedisplaysonthescreenorontheErrorManagerscreen,andanerrorisloggedtothe
SEL.Thesystemcontinuesbootinginadegradedstate.Theusermaywanttoreplacetheerroneousunit.
ThePOSTErrorPauseoptionsettingintheBIOSsetupdoesnothaveanyeffectonthiserror.
•Major:ThemessagedisplaysontheErrorManagerscreen,andanerrorisloggedtotheSEL.ThePOST
ErrorPauseoptionsettingintheBIOSsetupdetermineswhetherthesystempausestotheErrorManager
forthistypeoferrorsothattheusercantakeimmediatecorrectiveactionorthesystemcontinuesbooting.
Note:For0048(Passwordcheckfailed),thesystemwillhalt,andthenafterthenextreset/rebootdisplays
theerrorcodeontheErrorManagerscreen.
•Fatal:ThesystemhaltsduringthePOSTatablankscreenwiththetext“Unrecoverablefatalerrorfound.
Systemwillnotbootuntiltheerrorisresolved”and“Press<F2>toentersetup.”ThePOSTErrorPause
optionsettingintheBIOSsetupdoesnothaveanyeffectwiththisclassoferror.WhenyoupressF2on
thekeyboard,theerrormessageisdisplayedontheErrorManagerscreen,andanerrorisloggedtothe
SELwiththeerrorcode.Thesystemcannotbootunlesstheerrorisresolved.Theusermustreplace
thefaultypartandrestartthesystem.
DiagnosticLEDsonthefrontpanelandthesystemboard
IdentifyingthediagnosticLEDsonthefrontpanelandthesystemboardisaveryimportantmethodfor
diagnosingserverproblems.See“Frontview”onpage27
and“LocatingdiagnosticLEDsonthesystem
board”onpage35fordetailedinformation.
26ThinkServerTD230HardwareMaintenanceManual