Solvingpowerproblems...........71
SolvingEthernetcontrollerproblems......72
Solvingundeterminedproblems........73
Problemdeterminationtips..........74
Recoveringtheserverfirmware(UEFIupdate
failure)..................75
In-bandmanualrecoverymethod.....76
In-bandautomatedbootrecoverymethod..78
Out-of-bandmethod..........78
Automatedbootrecovery(ABR)........78
Nx-bootfailure...............79
Chapter4.Partslisting,IBM
NeXtScalenx360M4ComputeNode
Type5455...............81
Replaceableservercomponents........81
Structuralparts.............85
Powercords...............86
Chapter5.Removingandreplacing
components..............89
Installationtools..............89
Installinganoptionaldevice.........89
Installationguidelines............89
Systemreliabilityguidelines........91
Handlingstatic-sensitivedevices.....91
Returningadeviceorcomponent.....92
Updatingthecomputenodeconfiguration..92
Removingacomputenodefromachassis....92
Installingacomputenodeinachassis.....93
Removingastoragetrayfromacomputenode..101
Installingastoragetrayintoacomputenode...101
RemovingaGPUtrayfromacomputenode...103
InstallingaGPUtrayintoacomputenode....104
Removingandreplacingstructuralparts....105
Removingthecomputenodecover.....105
Installingthecomputenodecover.....107
Removingtheairbaffle.........108
Replacingtheairbaffle.........109
RemovingaRAIDadapterbatteryholder..110
ReplacingaRAIDadapterbatteryholder..111
RemovingthePCIriserfiller........112
ReplacingthePCIriserfiller........112
RemovingthefillerfromtheGPUtray....113
ReplacingthefillerontotheGPUtray....114
Removingthefronthandle........115
Installingthefronthandle.........116
Removingtheharddiskdrivecage.....117
Installingtheharddiskdrivecage.....119
RemovingandreplacingTier1CRUs......121
Removingtheoperatorinformationpanel..121
Installingtheoperatorinformationpanel...123
Removingthepowerpaddlecardfromthe
GPUtray...............124
Replacingthepowerpaddlecardontothe
GPUtray...............125
Removingthesystembattery.......126
Replacingthesystembattery.......127
Removingamemorymodule.......129
Installingamemorymodule........130
Removingtheoptional3.5-inchharddiskdrive
hardwareRAIDcage..........135
Installingtheoptional3.5-inchharddiskdrive
hardwareRAIDcage..........137
Removingtheharddiskdrivebackplate...139
Installingtheharddiskdrivebackplate...140
Removingandinstallingdrives......142
RemovingaPCIriser-cageassembly....151
ReplacingaPCIriser-cageassembly....152
RemovingaPCIriser-cageassemblyinthe
GPUtray...............153
ReplacingaPCIriser-cageassemblyinthe
GPUtray...............154
Removinganadapter/GPUadapter.....156
Replacinganadapter/GPUadapter.....157
RemovingtheUSBflashdrive.......159
InstallingtheUSBflashdrive.......160
RemovingandreplacingTier2CRUs......162
Removingamicroprocessorandheatsink..162
Replacingamicroprocessorandheatsink..165
Removingthecomputenode.......173
Installingthecomputenode........174
Internalcableroutingandconnectors......175
CablingharddiskdrivewithsoftwareRAID
signalcable..............175
CablingharddiskdrivewithServeRAID
SAS/SATAcontroller...........176
AppendixA.IntegratedManagement
ModuleII(IMM2)errormessages.179
ListofIMMevents.............180
AppendixB.UEFI(POST)error
codes................525
ListofUEFIevents.............525
AppendixC.DSAdiagnostictest
results................549
DSABroadcomnetworktestresults......549
TestresultsfortheDSABroadcomnetwork
test.................549
DSABrocadetestresults..........559
TestresultsfortheDSABrocadetest....559
DSAcheckpointpaneltestresults.......568
iiIBMNeXtScalenx360M4InstallationandServiceGuide