ThinkServer
HardwareMaintenanceManual
MachineTypes:0387,0388,0389,0390,0391,0392,0393,and0441
Note:
Beforeusingtheinformationandtheproductitsupports,besuretoreadandunderstandthefollowing:
•TheReadMeFirstthatcomeswithyourproduct
• “Safetyinformation”onpageiii
•AppendixA“Notices”onpage217
SecondEdition(August2011)
©CopyrightLenovo2011.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.
Contents
Safetyinformation.......... iii
Chapter1.Generalinformation.....1
Introduction................. 1
Serverdocumentation............. 1
Chapter2.Serversetuproadmap...5
Chapter3.Productoverview......7
Serverpackage...............7
Features..................7
Specications............... 12
Software................. 12
ThinkServerEasyStartup......... 12
ThinkServerEasyUpdateFirmwareUpdater. 13
BIOSandBMCrmwareupdateutility... 13
RAIDcongurationutilities........ 13
PC-DoctorforDOS........... 13
Locations................. 13
Machinetype,model,andserialnumber
label................. 13
Frontviewoftheserver......... 15
Frontpanel.............. 17
DITmodule.............. 18
Rearviewoftheserver......... 19
Serverlocks.............. 22
Servercomponents........... 25
Hot-swapharddiskdrivestatusLEDs... 32
RAIDcard............... 33
Hot-swapharddiskdrivebackplane.... 34
Systemboardcomponents........ 42
Systemboardjumpers.......... 46
SystemboardLEDs........... 50
Chapter4.Turningonandturningoff
theserver............... 53
Turningontheserver............ 53
Turningofftheserver............ 53
Chapter5.Conguringtheserver.. 55
UsingtheSetupUtilityprogram........ 55
StartingtheSetupUtilityprogram..... 55
ViewinginformationintheSetupUtility
program............... 55
SetupUtilityprograminterface...... 56
Settingthesystemdateandtime..... 64
Usingpasswords............ 65
ConguringtheTPMfunction....... 66
Selectingastartupdevice........ 66
ExitingtheSetupUtilityprogram...... 67
UpdatingorrecoveringtheBIOS...... 67
UsingtheThinkServerEasyStartupprogram... 69
FeaturesoftheThinkServerEasyStartup
program............... 70
StartingtheThinkServerEasyStartup
program............... 70
ConguringRAID.............. 71
AboutRAID.............. 72
RAIDforyourserver........... 73
ConguringRAIDusingtheThinkServer
EasyStartupprogram.......... 74
ConguringtheonboardSATAsoftware
RAID................. 74
ConguringtheadvancedSATAorSAS
hardwareRAID............. 79
ConguringtheEthernetcontrollers...... 80
Updatingthermware............ 80
UsingtheFirmwareUpdaterprogram.... 81
Chapter6.Installing,removing,or
replacinghardware.......... 83
Guidelines................ 83
Precautions.............. 83
Handlingstatic-sensitivedevices..... 84
Systemreliabilityguidelines........ 84
Workinginsidetheserverwiththepoweron. 85
Removingtheservercover.......... 85
Removingandreinstallingthefrontbezel.... 87
Installing,removing,orreplacinghardware... 89
Installingorremovingamemorymodule... 89
InstallingorremovingaPCIcard...... 93
InstallingorremovingtheEthernetcard... 96
InstallingorremovingtheRAIDcard.... 98
InstallingorremovingtheThinkServer9240-8i
RAID5UpgradeKey.......... 100
InstallingorremovingtheThinkServerSATA
SoftwareRAID5Key.......... 102
InstallingorremovingtheThinkServeriKVM
RemoteManagementModule.......105
InstallingorremovingtheTPMmodule...109
InstallingorremovingtheDITmodule.... 111
Installingorreplacinganopticaldrive....115
Installingorreplacingahot-swapharddisk
drive................. 119
Removingorinstallinganon-hot-swaphard
diskdrive............... 123
©CopyrightLenovo2011
i
Replacingthehot-swapharddiskdrive
backplane............... 133
Replacingthenon-hot-swappowersupply
assembly...............137
Replacingahot-swapredundantpower
supplymodule............. 140
Replacingthepowerdistributionboardand
cageassembly.............143
Replacingthefrontpanelboardassembly..147
Replacingthefrontsystemfan...... 149
Replacingtherearsystemfan.......152
Replacingtheheatsinkandfanassembly..154
Replacingthemicroprocessor....... 157
Replacingthesystemboardbattery....161
Replacingthesystemboard.......162
Completingthepartsreplacement.......168
Reinstallingtheservercoverandreconnecting
cables................168
Updatingtheserverconguration..... 170
Chapter7.Troubleshootingand
diagnostics............. 171
Troubleshootingprocedure..........171
ViewingthestatusanddiagnosticLEDs.....171
Usingthediagnosticprogram......... 172
Viewingthesystemeventlog.........172
Basictroubleshootingtables.........172
ThinkServerEasyStartupprogram
problems............... 172
Opticaldriveproblems..........173
Harddiskdriveproblems......... 174
Memorymoduleproblems........176
Keyboard,mouse,orUSBdeviceproblems.. 176
POSTerrorcodes............ 177
Chapter8.FRUlists......... 179
MajorFRUs................179
MechanicalFRUs............. 189
AdaptersandmiscellaneousFRUs....... 194
Powercords...............196
Shipgroup................ 204
Chapter9.Gettinginformation,help,
andservice............. 213
Informationresources............ 213
Usingthedocumentation......... 213
ThinkServerWebsite
(http://www.lenovo.com/thinkserver)....213
LenovoSupportWebsite.........213
Helpandservice.............. 214
Beforeyoucall............. 214
Callingforservice............214
Usingotherservices.......... 215
Purchasingadditionalservices...... 215
AppendixA.Notices......... 217
Trademarks................218
Importantnotes.............. 218
PolyvinylChloride(PVC)cableandcordnotice..218
Recyclinginformation............218
Batteryreturnprogram.......... 219
Requirementforbatteriescontaining
perchlorate.............. 220
Particulatecontamination.......... 220
ImportantinformationfortheEuropeanDirective
2002/96/EC................221
RestrictionofHazardousSubstancesDirective
(RoHS)..................224
ChinaRoHS.............. 225
Turkishstatementofcompliance......225
GermanOrdinanceforWorkglossstatement... 226
Electronicemissionnotices.......... 226
FederalCommunicationsCommission(FCC)
Statement............... 226
Index................. 229
iiThinkServerHardwareMaintenanceManual
Safetyinformation
Note:Beforeusingtheproduct,besuretoreadandunderstandthemultilingualsafetyinstructionsonthe
documentationDVDthatcomeswiththeproduct.
Antesdeusaroproduto,leiaeentendaasinstruçõesdesegurançamultilínguesnoDVDdedocumentação
queoacompanha.
Предидаизползватетозипродукт,задължителнопрочететеивникнетевмногоезичнитеинструкции
забезопасноствDVDдискасдокументация,койтосепредоставяспродукта.
PrijeupotrebeovogproizvodaobaveznopročitajtevišejezičnesigurnosneuputekojesenalazenaDVD-us
dokumentacijomkojidobivateuzproizvod.
PředpoužitímproduktujetřebasipřečístaporozumětbezpečnostnímpokynůmuvedenýmnadiskuDVDs
dokumentací,kterýjedodávánsproduktem.
Førdubrugerproduktet,skaldusørgeforatlæseogforstådesikkerhedsforskrifter,derndespåere
sprog,pådendokumentations-dvd,derfølgermedproduktet.
LuetuotteenmukanatoimitetullaDVD-tietolevylläolevatmonikielisetturvaohjeetennentämäntuotteen
käyttöä.
Avantd'utiliserleproduit,veillezàbienlireetcomprendrelesinstructionsdesécuritémultilinguesgurant
surleDVDdedocumentationfourniavecleproduit.
Πρινχρησιμοποιήσετετοπροϊόν,βεβαιωθείτεότιέχετεδιαβάσεικαικατανοήσειτιςοδηγίεςασφάλειας,οι
οποίεςείναιδιαθέσιμεςσεδιάφορεςγλώσσεςστοDVDτεκμηρίωσηςπουσυνοδεύειτοπροϊόν.
VorVerwendungdesProduktssolltenSieunbedingtdiemehrsprachigenSicherheitsanweisungenaufder
Dokumentations-DVDlesen,dieimLieferumfangdesProduktsenthaltenist.
AtermékhasználataelőttmindenképpenolvassaelésértelmezzeatermékhezkapottdokumentációsDVD
lemezentalálható,többnyelvenelolvashatóbiztonságielőírásokat.
Primadiutilizzareilprodotto,accertarsidileggereecomprendereleinformazionisullasicurezzamultilingue
disponibilisulDVDdidocumentazionefornitoconilprodotto.
製品をご使用になる前に、製品に付属のDocumentationDVDに収録されているマルチリンガルの「安
全に正しくご使用いただくために」を読んで理解してください。
제품을사용하기전에제품과함께제공되는문서DVD의다국어안전지침을주의깊게읽어보십시오.
Voordatuhetproductgebruikt,moetuervoorzorgendatudemeertaligeveiligheidsinstructiesopde
documentatie-dvdvanhetproducthebtgelezenenbegrijpt.
©CopyrightLenovo2011
iii
Przedskorzystaniemzproduktunależyzapoznaćsięzwielojęzycznymiinstrukcjamibezpieczeństwa
znajdującymisięnapłycieDVDzdokumentacjądostarczonąwrazzproduktem.
Antesdeutilizaroproduto,leiaatentamenteasinstruçõesdesegurançamultilinguesqueconstamno
DVDdedocumentaçãofornecidocomoproduto.
Înaintedeautilizaprodusul,asiguraţi-văcăaţicititşiînţelesinstrucţiuniledesiguranţăînmaimultelimbide
peDVD-ulcudocumentaţiecareînsoţeşteprodusul.
Førdubrukerproduktet,måduleseogforstådenerspråkligesikkerhetsinformasjonenpåDVDenmed
dokumentasjonsomfølgermedproduktet.
Преждечемиспользоватьэтотпродукт,внимательноознакомьтесьсинструкциямипотехнике
безопасностинаразныхязыках,которыеможнонайтинаDVD-дискесдокументациейвкомплектес
продуктом.
在使用本产品之前,请务必先阅读和了解产品附带的文档DVD中的多语言安全说明。
Prenegotoupotrebiteproizvodobaveznopaljivoproitajteiprouiteviejezikouputstvozabezbednostna
dokumentacionomDVD-ukojistedobiliuzproizvod.
PredpouvanmproduktusipretajteviacjazynbezpenostnpokynynadiskuDVDsdokumentcioudodanoms
produktom.
Predenzačneteuporabljatiizdelek,jepomembno,daprebereteinrazumetevečjezičnavarnostnanavodila
naDVD-juzdokumentacijo,kistegaprejeliskupajzizdelkom.
Antesdeutilizarelproducto,asegúresedeleerycomprenderlasinstruccionesdeseguridadmultilingüesdel
DVDdedocumentaciónqueseproporcionaconelproducto.
Varnogamedattläsasäkerhetsinstruktionernapådokumentations-DVD-skivansomföljermedprodukten
innandubörjaranvändaprodukten.
使用本產品之前,請務必閱讀並瞭解產品隨附的文件DVD上的多國語言版本安全資訊。
Buürünükullanmadanönce,ürünlebirliktegönderilenbelgeDVD'siüzerindekiçokdiliçerengüvenlik
yönergeleriniokuyupanladýðýnýzdaneminolun.
Передвикористаннямцьогопродуктууважноознайомтесязінструкціямизтехнікибезпекинарізних
мовах,щоможназнайтинаDVD-дискуздокументацієювкомплектізпродуктом.
Important: Thecautionanddangerstatementsinthisdocumentarelabeledwithnumbers.Eachnumber
identiesanEnglish-languagecautionordangerstatementthatreferstotranslatedversionsofthecaution
ordangerstatementintheSafetyInformationdocument.Forexample,ifadangerstatementislabeled
“Statement1,”translationsforthisdangerstatementareintheSafetyInformationdocumentunder
“Statement1.”
Ensurethatyoureadandunderstandallcautionanddangerstatementsinthisdocumentbeforeyouperform
theprocedures.Readandunderstandanyadditionalsafetyinformationthatisincludedwiththeserveror
optionaldevicebeforeyouinstall,remove,orreplacethedevice.
ivThinkServerHardwareMaintenanceManual
Statement1
DANGER
Electricalcurrentfrompower,telephone,andcommunicationcablesishazardous.
Toavoidashockhazard:
• Donotconnectordisconnectanycablesorperforminstallation,maintenance,orrecongurationofthis
productduringanelectricalstorm.
•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.
•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.
•Neverturnonanyequipmentwhenthereisevidenceofre,water,orstructuraldamage.
•Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodemsbeforeyou
openthedevicecovers,unlessinstructedotherwiseintheinstallationandcongurationprocedures.
• Connectanddisconnectcablesasdescribedinthefollowingtablewheninstalling,moving,oropening
coversonthisproductorattacheddevices.
Toconnect: Todisconnect:
1.TurneverythingOFF.
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndevicesON.
1.TurneverythingOFF.
2.First,removepowercordsfromoutlet.
3.Removesignalcablesfromconnectors.
4.Removeallcablesfromdevices.
Statement2
DANGER
Dangerofexplosionifbatteryisincorrectlyreplaced.
Whenreplacingthelithiumcoincellbattery,useonlythesameoranequivalenttypethatis
recommendedbythemanufacturer.Thebatterycontainslithiumandcanexplodeifnotproperly
used,handled,ordisposedof.
Donot:
•Throworimmerseintowater
•Heattomorethan100°C(212°F)
•Repairordisassemble
Disposeofthebatteryasrequiredbylocalordinancesorregulations.
©CopyrightLenovo2011
v
Statement3
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,beropticdevices,ortransmitters)are
installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing.
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
Statement4
≥18kg(39.7lb) ≥32kg(70.5lb) ≥55kg(121.2lb)
<32kg(70.5lb) <55kg(121.2lb) <100kg(220.5lb)
CAUTION:
Usesafepracticeswhenlifting.
Statement5
CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.
viThinkServerHardwareMaintenanceManual
Statement6
CAUTION:
Ifyouinstallastrain-reliefbracketoptionovertheendofthepowercordthatisconnectedtothe
device,youmustconnecttheotherendofthepowercordtoapowersourcethatiseasilyaccessible
incaseitneedstobedisconnected.
Statement7
CAUTION:
Ifthedevicehasdoors,ensurethatyouremoveorsecurethedoorsbeforemovingorliftingthe
devicetoprotectagainstpersonalinjury.Thedoorswillnotsupporttheweightofthedevice.
Statement8
CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
Statement9
CAUTION:
Disconnectthehot-swapfancablesbeforeremovingthefanfromthedevicetoprotectagainst
personalinjury.
Statement10
CAUTION:
Thefollowinglabelindicatesasharp-edgehazard.
©CopyrightLenovo2011
vii
Statement11
CAUTION:
Thefollowinglabelindicatesapotentialheathazard.
Statement12
DANGER
Overloadingabranchcircuitisapotentialrehazardandashockhazardundercertainconditions.T o
avoidthesehazards,ensurethatyoursystemelectricalrequirementsdonotexceedbranchcurrentratings
attheinstallationsite.
Statement13
CAUTION:
Ensurethattherackissecuredproperlytoavoidtippingwhentheserverunitisextendedontherails.
Statement14
CAUTION:
SomeaccessoryoroptionboardoutputsexceedClass2orlimitedpowersourcelimits.Y ou
mustinstalltheappropriateinterconnectingcablinginaccordancewithyourlocalelectricalcode
requirements.
Statement15
CAUTION:
Thepower-controlbuttononthedevicemayputthedeviceinstandbymodeinsteadofturningoff
thedevice.Inaddition,thedevicemighthavemultipleconnectionstodcpower.T oremoveall
electricalcurrentfromthedevice,ensurethatallconnectionstodcpoweraredisconnectedat
thedcpowerinputterminals.
viiiThinkServerHardwareMaintenanceManual
Statement16
CAUTION:
Toreducetheriskofelectricshockorenergyhazards:
•Thisequipmentmustbeinstalledbytrainedservicepersonnelinarestricted-accesslocation,as
denedbyyourlocalelectricalcodeandthelatesteditionofIEC60950.
•Connecttheequipmenttoareliablyearthedsafetyextralowvoltage(SELV)source.AnSELV
sourceisasecondarycircuitthatisdesignedsothatnormalandsinglefaultconditionsdonot
causethevoltagestoexceedasafelevel(60Vdirectcurrent).
•Thebranchcircuitovercurrentprotectionmustberatedinaccordancewithlocalelectricalcode
requirements.
•Use1.3mm
2
or16AmericanWireGauge(AWG)copperconductoronly,notexceeding3meters
inlength.
•T orquethewiring-terminalscrewsto1.4newton-metersor12inch-pounds.
•Provideareadilyavailable,approvedandrateddisconnectdeviceintheeldwiring.
Statement17
CAUTION:
ThisproductcontainsaClass1Mlaser.Donotviewdirectlywithopticalinstruments.
Statement18
CAUTION:
Donotplaceanyobjectontopofrack-mountedproducts.
Statement19
CAUTION:
Hazardousmovingparts.Keepngersandotherbodypartsaway.
©CopyrightLenovo2011
ix
Statement20
CAUTION:
Alithiumionbatteryisprovided.Toavoidpossibleexplosion,donotburnthebattery.Replacethe
batteryonlywiththeLenovo-approvedpart.Recycleordiscardthebatteryasinstructedbylocal
regulations.
xThinkServerHardwareMaintenanceManual
Chapter1. Generalinformation
Thischapterprovidessomegeneralinformationaboutyourproduct.
Thischaptercontainsthefollowingitems:
• “Introduction”onpage1
• “Serverdocumentation”onpage1
Introduction
ThisHardwareMaintenanceManualforyourLenovo
serverfeatures,specications,componentlocations,congurationinstructions,hardwarereplacement
procedures,partslisting,andtroubleshootinganddiagnostics.
Note: TheHardwareMaintenanceManualisintendedonlyfortrainedservicepersonnelofLenovo.The
HardwareMaintenanceManualisupdatedfrequently,andthemostup-to-dateversionisalwaysavailablein
EnglishontheLenovoWebsiteat:
http://www.lenovo.com/ThinkServerUserGuides
Thisdocumentcontainsinstructionsonhowtoinstall,remove,orreplaceCustomerReplaceableUnits
(CRUs)andFieldReplaceableUnits(FRUs).
Replaceablecomponentsareofthreetypes:
®
ThinkServer
®
productcontainsinformationaboutthe
•Self-serviceCRUs:Self-serviceCRUsareeasytoinstallandcustomersareresponsibleforreplacingall
Self-serviceCRUs.IfaLenovoservicetechnicianinstallsaSelf-serviceCRUatyourrequest,youwillbe
chargedfortheinstallation.
•Optional-serviceCRUs:AlthoughdealingwithOptional-serviceCRUsrequiressometechnicalskills,
Optional-serviceCRUsaresafeforcustomerstoreplace.Y oumayinstallanOptional-serviceCRU
yourselforrequestLenovotoinstallit,atnoadditionalcharge,underthetypeofwarrantyservicethat
isdesignatedfortheserver.
•FRUs:FRUsmustbereplacedonlybytrainedservicetechnicians.
Notes:
1.BeforeservicingaLenovoproduct,besuretoreadandunderstandthe“Safetyinformation”onpageiii.
2.Forinformationaboutthetermsofwarranty,refertotheWarrantyandSupportInformationonthe
documentationDVDthatcomeswiththeserver.TheWarrantyandSupportInformationisalsoavailable
ontheLenovoWebsiteat:
http://www.lenovo.com/ThinkServerUserGuides
Toobtainthemostup-to-dateinformationabouttheserver,goto:
http://www.lenovo.com/thinkserver
LenovomaintainspagesontheWorldWideWeb,whereyoucangetthelatesttechnicalinformationand
downloaddocumentationordevicedriversandupdates.ToaccesstheLenovoSupportWebsite,goto:
http://support.lenovo.com
Serverdocumentation
Thistopicprovidesgeneraldescriptionsofthevariousdocumentationforyourserverandinstructionson
howtoobtainallthedocumentation.
©CopyrightLenovo2011
1
Printeddocuments
Thefollowingdocumentsareprintedoutandcontainedinyourserverpackage.
•ReadMeFirst
Thisisamultilingualdocumentyoushouldreadrst.Thisdocumentguidesyoutoreadthecomplete
warranty,support,andsafetyinformationonthedocumentationDVDthatcomeswithyourserverbefore
usingtheproduct.Thisdocumentalsoprovidesinformationabouthowtondthemostup-to-date
informationontheLenovoSupportWebsite.
•ImportantNotices
Thisdocumentincludessafetyandlegalnoticesthatyoushouldreadandunderstandbeforeusing
theserver.
DocumentationDVD
ThedocumentationDVD,whichcomeswithyourserver,containsvariousdocumentsforyourserverin
PortableDocumentFormat(PDF).Toviewthedocumentation,youneedtohavetheAdobeReaderprogram
installed.YoucandownloadthedesiredlanguageversionofthelatestAdobeReaderprogramfromthe
AdobeWebsiteat:
http://www.adobe.com
Note: LenovomaintainspagesontheWorldWideWebwhereyoucangetthelatesttechnicalinformation
anddownloaddocumentationordevicedriversandupdates.Someinformationinthedocumentsonthe
documentationDVDmightchangewithoutnoticeaftertherstreleaseoftheDVD.Youcanalwaysobtainall
themostup-to-datedocumentationforyourserverfromtheLenovoWebsiteat:
http://www.lenovo.com/ThinkServerUserGuides
ThefollowingdocumentsareonthedocumentationDVDthatcomeswithyourserver:
•SafetyInformation
Thisisamultilingualdocumentthatincludesallthesafetystatementsforyourproductinmorethan30
languages.Besuretoreadandunderstandallthesafetystatementsbeforeusingtheproduct.
•WarrantyandSupportInformation
ThisdocumentincludestheLenovowarrantystatement,CRUsinformation,andinformationabouthow
tocontactLenovoSupport.
•UserGuide
Thisdocumentprovidesdetailedinformationtohelpyougetfamiliarwithyourserverandhelpyouuse,
congure,andmaintainyourserver.
•RemoteManagementModuleUserGuide
ThisdocumentprovidesinformationtohelpyouusetheintegratedKeyboard,Video,andMouse(iKVM)
functionforserverremotemanagement.ThisdocumentisinEnglishonly.
Note: AThinkServeriKVMRemoteManagementModule(hereinafterreferredtoastheiKVMkey)is
requiredandthisoptionshouldbeinstalledontheiKVMkeyconnectoronthesystemboardtoenable
theiKVMfunction.
2ThinkServerHardwareMaintenanceManual
•MegaRAIDSASSoftwareUserGuide
ThisdocumentprovidesinformationaboutRedundantArrayofIndependentDisks(RAID)andhowto
usetheutilityprogramstocongure,monitor,andmaintainyourserverRAIDandrelateddevices.This
documentisinEnglishonly.
Note: RefertothisdocumentforhardwareRAIDinformationifyouhavearequiredRAIDcardinstalledin
theserver.See“InstallingorremovingtheRAIDcard”onpage98.Forinformationabouttheonboard
SATAsoftwareRAID,see“ConguringtheonboardSATAsoftwareRAID”onpage74
.
Documentfortrainedservicepersonnelonly
ThefollowingdocumentisintendedfortrainedservicepersonnelofLenovoandisonlyavailableinEnglish
ontheLenovoWebsiteat:
http://www.lenovo.com/ThinkServerUserGuides
HardwareMaintenanceManual
Thisdocumentprovidesdiagnosticinformation,partslisting,andreplacementproceduresforalleld
replaceableunits(FRUs,partsreplacedbytrainedservicepersonnel)aswellasallCRUs.
Chapter1.Generalinformation3
4ThinkServerHardwareMaintenanceManual
Chapter2. Serversetuproadmap
Thischapterprovidesageneralroadmaptoguideyouthroughsettingupyourserver.
Theserversetupprocedurevariesdependingonthecongurationoftheserverwhenitwasdelivered.In
somecases,theserverisfullyconguredandyoujustneedtoconnecttheservertothenetworkandan
acpowersource,andthenyoucanturnontheserver.Inothercases,theserverneedstohavehardware
featuresinstalled,requireshardwareandrmwareconguration,andrequiresanoperatingsystemto
beinstalled.
Thegeneralprocedureforsettingupyourserveris:
1.Unpacktheserverpackage.See“Serverpackage”onpage7.
2.Installanyrequiredhardwareorserveroption.SeetherelatedtopicinChapter6“Installing,removing,
orreplacinghardware”onpage83
3.ConnecttheEthernetcableandpowercord(s)totheserver.See“Rearviewoftheserver”onpage
19tolocatetheconnectors.
4.Turnontheservertoverifyoperation.See“Turningontheserver”onpage53.
5.ReviewtheUniedExtensibleFirmwareInterface(UEFI)settingsandcustomizeasneeded.See“Using
theSetupUtilityprogram”onpage55
6.CongureRAIDandinstalltheoperatingsystemandbasicdrivers.See“UsingtheThinkServer
EasyStartupprogram”onpage69and“ConguringRAID”onpage71.
7.Installanyadditionaldriversneededforaddedfeatures.Refertotheinstructionsthatcomewiththe
hardwareoption.
8.CongureEthernetsettingsintheoperatingsystembyreferringtotheoperatingsystemhelp.Thisstep
isnotrequirediftheoperatingsystemwasinstalledusingtheThinkServerEasyStartupprogram.
9.Checkforrmwareanddriverupdates.See“Updatingthermware”onpage80.
10.Installotherapplications.Refertothedocumentationthatcomeswiththeapplicationsthatyouwantto
install.
.
.
©CopyrightLenovo2011
5
6ThinkServerHardwareMaintenanceManual
Chapter3. Productoverview
Thischapterprovidesinformationabouttheserverpackage,features,specications,softwareprograms,
andcomponentlocations.
Thischaptercontainsthefollowingitems:
• “Serverpackage”onpage7
• “Features”onpage7
• “Specications”onpage12
• “Software”onpage12
• “Locations”onpage13
Serverpackage
Theserverpackageincludestheserver,powercord(s),printeddocumentation,documentationDVD,and
softwaremedia.
Figure1.Serverpackage
1Server
2Materialbox,includingpowercord(s),printeddocumentation,documentationDVD,andsoftwaremedia
Features
Thistopicprovidesgeneralinformationabouttheserverfeaturesforavarietyofmodels.Dependingonyour
specicmodel,somefeaturesmightvaryornotbeavailable.Forinformationaboutyourspecicmodel,use
theSetupUtilityprogram.See“ViewinginformationintheSetupUtilityprogram”onpage55.
©CopyrightLenovo2011
7
Microprocessor
Yourservercomeswithoneofthefollowingmicroprocessors(internalcachesizevariesbymodel):
•Intel
®
®
Xeon
quad-coremicroprocessor
•IntelXeondual-coremicroprocessor
•IntelCore™i3microprocessor
ForalistoftheThinkServermicroprocessoroptions,gotohttp://www.lenovo.com/thinkserver.Clickthe
ProductstabandthenclickOptions➙ThinkServerProcessorstoviewtheinformation.
Memory
Yourserversupportsuptofourdoubledatarate3unbuffereddualinlinememorymodules(DDR3UDIMMs)
withErrorCheckingandCorrecting(ECC)technology.
•Supports2GBand4GB1333MHzDDR3UDIMMs
•Single-rankordual-rank
•Minimumsystemmemory:2GB(onlyone2GBmemorymoduleinstalledintheDIMMA2slot)
•Maximumsystemmemory:16GB(one4GBmemorymoduleinstalledineachofthefourmemoryslots)
Formoreinformation,see“Systemboardcomponents”onpage42and“Memorymoduleinstallation
rules”onpage90.
Powersupply
Yourservercomeswithoneofthefollowingpowersupplycongurations:
•Onescrew-secured,non-hot-swap400-wattpowersupply(80PlusBronzeCompliantanduniversalinput)
•Oneortwohot-swap450-wattredundantpowersupplymodules(80PlusGoldCompliantanduniversal
input)
Fans
Youservercomeswiththefollowingfanstoprovidepropersystemcoolingandairow:
•Oneheatsinkandfanassembly
•Oneortwofrontsystemfansdependingonthemodel
•Onerearsystemfan
8ThinkServerHardwareMaintenanceManual
Internaldrives
Internaldrivesaredevicesthatyourserverusestoreadandstoredata.Theinternaldrivessupported
byyourservervarybymodel.
•Harddiskdrive
–Fivetoeight3.5-inchhot-swapSerialAdvancedTechnologyAttachment(SATA)orSerialAttached
SCSI(SAS)harddiskdrives(SCSIistheacronymforSmallComputerSystemInterface)
–Uptoeight2.5-inchhot-swapSASharddiskdrives
–Uptofour3.5-inchhot-swapSATAorSASharddiskdrives
–Uptofour3.5-inchnon-hot-swapSATAharddiskdrives
Note: ForservermodelswithmorethanfourharddiskdrivesormodelsthatuseSASharddiskdrives,
theremustbearequiredRAIDcardinstalled.See“RAIDcard”onpage33
.
•Opticaldrive
–Uptotwo5.25-inchSATAopticaldrives(DVD-ROMorDVDBurner/CD-RWRambo8)
–Theloweropticaldrivebayisinstalledwitha5.25-inchSATAopticaldrive(DVD-ROMorDVDBurner/
CD-RWRambo8).TheupperopticaldrivebayisforaRemovableDiskTechnology(RDX)Universal
SerialBus(USB)drivebundle.
Forthelocationinformationabouttheinternaldrivesordrivebays,see“Servercomponents”onpage
.ForinformationabouttheRDXUSBdrivebundleandinstructionsonhowtoinstallit,refertothe
25
documentationthatcomeswiththeRDXUSBdrivebundle.Inyourserver,theP6powerconnectorofthe
powersupplyisfortheRDXUSBdrivebundle.Y oucanpurchasethisoptiondirectlyfromLenovo.The
optionnameisLenovoRemovableDiskT echnology(RDX)USBDriveBundle.TheRDXtechnologycombines
thecharacteristicsoftapebackupwithdiskstoragetohelpyouprotectandarchivedata.
Expansionslots
Theserverhasfourexpansionslotsonthesystemboard.Fordetailedinformation,see“Systemboard
components”onpage42.
Input/Output(I/O)features
•OneVideoGraphicsArray(VGA)DB-15connectorontherearpanel
•SixUSB2.0connectors(twoonthefrontpanelandfourontherearpanel)
•T woRJ-45Ethernetconnectorsontherearpanel
•T woserialconnectors(onefully-functionalserialconnectorontherearpanelandoneinternalserial
connectoronthesystemboardforoptionaluse)
Forthelocationinformationabouttheconnectors,refertotherelatedtopicin“Locations”onpage13
.
Videosubsystem
AnintegratedgraphicscontrollerintheBaseboardManagementController(BMC)chiponthesystemboard
tosupportaVGADB-15connectorontherearpanelforconnectingvideodevices
Ethernetconnectivity
TheservercomeswithanintegratedIntelGigabitEthernetcontrolleraswellasanEthernetphysicallayer
(PHY)oftheOpenSystemsInterconnectionmodel(OSImodel).Theyprovidetheserverwiththeability
tosupporttwoEthernetconnectorsontherearpanelwith10Mbps,100Mbps,or1000Mbpsnetwork
connectivity.Formoreinformation,see“Rearviewoftheserver”onpage19
.
Chapter3.Productoverview9
Reliability,availability,andserviceability
Reliability,availability,andserviceability(hereinafterreferredtoasRAS)arethreeimportantserverdesign
features.TheRASfeatureshelpyoutoensuretheintegrityofthedatastoredontheserver,theavailabilityof
theserverwhenyouneedit,andtheeasewithwhichyoucandiagnoseandcorrectproblems.
YourserverhasthefollowingRASfeatures:
•Securityfeatures
–Serverlocks(see“Serverlocks”onpage22)
–Administratorpasswordanduserpasswordtohelpprotectunauthorizedaccesstotheserver(see
“Usingpasswords”onpage65)
–T rustedPlatformModule(TPM)connectoronthesystemboardforaTPMmodule,whichisasecurity
chip,tohelpprotectyourserverandstrengthenserversecurity
Note: TheTPMmoduleisonlyavailableinsomemodels.
–Remotemonitoringorcontrolbyanadministratortoprovideprotectionorhelp
–Hot-swapredundantpowersupplymodulestohelpyouavoidsignicantinterruptiontotheoperation
ofthesystemwhenapowersupplymodulefails(availableinsomemodels)
•Basicsystemmanagementfeatures
–Abilitytostorethepower-onself-test(POST)hardwaretestresults
–BIOSSetupUtilityprogram
TheBIOSSetupUtilityprogramhelpsyouviewtheserverinformationandconguretheserverinthe
pre-operatingsystemenvironment.See“UsingtheSetupUtilityprogram”onpage55
.
–BMCandIntelligentPlatformManagementInterface(IPMI)2.0
ThesystemboardplatformmanagementsubsystemisbasedontheintegratedBMCfeatures.The
BMCisamanagementchipthatisintegratedonthesystemboardofyourserver.WiththeBMCchip,
nomatterwhatconditiontheserveroperatingsystemisinandnomatteriftheserverisonoroff,aslong
astheserverisconnectedtonetworkandanacpowersource,theinteractionwiththeBMCcontrolled
serverscanbeachievedthroughsystemnetwork.Theusercanobtaintheserverhardwarehealth
informationandsystemeventlog(SEL),andisabletoconducttheoperationsincludingturningonor
offtheserver,restartingtheserver,lockingthepowerswitchonthefrontpanel,andsoon.Thispartof
theservermanagementisindependentoftheoperatingsystemandiscalledout-of-bandmanagement.
ThesystemboardplatformmanagementsubsystemconsistsoftheintegratedBMC,communication
buses,sensors,BasicInputOutputSystem(BIOS),andservermanagementrmware.Itisresponsible
forerrormanagementandreporting,systempowercontrol,thermalmonitoring,systemfancontrol,
andothermanagementfeatures.TheBMCprovidessystemmanagementandmonitoringfeatures
basedontheIPMI2.0specication.IPMIhelpslowertheoverallcostsofservermanagement.Youcan
ndmoreinformationaboutIPMI2.0fromtheWebsiteofIntel.TheBMCalsosupportssomenon-IPMI
features,suchastheDynamicHostCongurationProtocol(DHCP)andthePlatformEnvironment
ControlInterface(PECI),toprovidemoresystemmanagementfunctions.
RefertotheRemoteManagementModuleUserGuideonthedocumentationDVDthatcomeswithyour
serverformoreinformation.
–Hot-swapfeature
Somemodelssupporthot-swapharddiskdrivesandorhot-swapredundantpowersupplymodules.
Withthehot-swapfeature,youcaninstall,remove,orreplaceharddiskdrivesorafailingpowersupply
modulewithoutturningofftheserver.
10ThinkServerHardwareMaintenanceManual
–PrebootExecutionEnvironment(PXE)
TheIntelPXEtechnologyenablesyoutobootyourcomputers,loadanoperatingsystem,ordeploy
executableimagesfromaremoteserverbyusinganetworkinterface.Theoperationcanbedone
independentlyoflocaldatastoragedevices(suchasharddiskdrives)orinstalledoperatingsystems.
–RedundantArrayofIndependentDisks(RAID)
YourserversupportsonboardSATAsoftwareRAIDandadvancedSATA/SAShardwareRAID
congurationsifyouhavearequiredRAIDcardinstalled.Fordetailedinformation,see“Conguring
RAID”onpage71.
–Statuslight-emittingdiodes(LEDs)anddiagnosticLEDs
FormoreinformationabouttheLEDsforyourserver,refertotherelatedtopicsin“Locations”on
page13.
–ThinkServerEasyStartupprogramandThinkServerEasyUpdateFirmwareUpdaterprogram
Formoreinformationaboutthesoftwareprograms,see“Software”onpage12.
–WakeonLAN
WhentheWakeonLANfeatureisenabledonacomputerthatisconnectedtoalocalareanetwork
(LAN),anetworkadministratorcanremotelyturnonorwakeupthecomputerfromamanagement
consoleusingremotenetworkmanagementsoftware.Besides,manyotherfunctions,suchasdata
transferandsoftwareupdates,canbeperformedremotelywithoutremoteattendanceandcanbedone
afternormalworkinghoursandonweekendstosavetimeandincreaseproductivity.
•Advancedsystemmanagementfeatures
TheBMCrmwaresupportsthefollowingadvancedsystemmanagementfeatures:
Note: TheadvancedsystemmanagementfeaturesareonlyavailablewhentheBMCdetectsthepresence
ofanintegratedkeyboard,video,andmouse(iKVM)key.TheiKVMkeyisaremotemanagementmodule.
YoucanpurchaseaniKVMkeyfromLenovoandinstallitontheiKVMkeyconnectoronthesystemboard
ofyourservertoenabletheiKVMfunctionandactivatetheadvancedsystemmanagementfeatures.
–iKVMredirection
TheBMCrmwaresupportsiKVMredirectionoverLAN.Thisfeatureisavailableremotelyfromthe
embeddedWebserver.Theremotemanagementmodulecandigitizeandcompressthecollected
keyboard,video,andmousesignalsfromthehostsystemandthensendthemtotheremoteconsole.
Meanwhile,itiseasilyaccessiblebyremoteKVMandcontrollablethroughLANorInternet.Fordetailed
information,refertotheRemoteManagementModuleUserGuideonthedocumentationDVDthat
comeswithyourserver.
–Mediaredirection
TheembeddedWebserverprovidesaJavaJNLPtoenabletheremotemediaredirection.Thisisused
inconjunctionwiththeremoteKVMfeatureorasastandaloneapplet.
Themediaredirectionfeatureisintendedtoenablesystemadministratorsoruserstomountaremote
opticaldrive,oppydrive,orUSBashdiskasaUSBdevicetotheserver.Oncemounted,theremote
devicefunctionsasalocaldevicetotheserver,enablingsystemadministratorsoruserstobootthe
serverandinstallsoftware(includingoperatingsystems),copyles,updatetheBIOSfromthisdevice.
–WebServicesforManagement(WS-MAN)
TheBMCrmwaresupportstheWS-MANspecication.
–LocalDirectoryAuthenticationProtocol(LDAP)
TheBMCrmwaresupportstheLDAPforuserauthentication.
Note: TheIPMIusers,passwords,andsessionsarenotsupportedoverLDAP.
Chapter3.Productoverview11
–EmbeddedWebserver
TheBMCprovidesanembeddedWebserverforout-of-bandmanagement.Theuserauthenticationis
handledbyIPMIusernamesandpasswords.Formoreinformation,refertotheRemoteManagement
ModuleUserGuide onthedocumentationDVDthatcomeswithyourserver.
Specications
Thistopicliststhephysicalspecicationsforyourserver.
Dimensions
Width:195mm(7.68inches)
Height:430mm(16.93inches)withoutfootstands;445mm(17.52inches)withfootstands
Depth:595mm(23.43inches)includingthefrontbezel
Weight
Theproductweightvariesdependingondifferentsystemcongurations.
Rangeofproductweightwithoutpackage:19kg(41.89lb)to28kg(61.73lb)
Rangeofproductpackageweight:2.8kg(6.17lb)to3.5kg(7.72lb)
Environment
•Airtemperature:
Operating:10°Cto35°C(50°Fto95°F)
Storage:-40°Cto70°C(-40°Fto158°F)inoriginalshippingpackage
•Altitude:0to3048m(0to10000ft)
•Humidity:
Operating:8%to80%(non-condensing)
Storage:8%to90%(non-condensing)
Electricalinput
Universalinput:
Minimum:90Vac
Maximum:264Vac
Inputfrequencyrange:47to63Hz
Software
Thistopicprovidesinformationaboutthesoftwareprogramsthatyoucanusetohelpyousetup,use,
andmaintaintheserver.
ThinkServerEasyStartup
TheThinkServerEasyStartupprogramsimpliestheprocessofconguringRAIDandinstallingsupported
Microsoft
providedwithyourserveronaself-starting(bootable)ThinkServerEasyStartupDVD.Theuserguidefor
theprogramisalsoontheDVDandcanbeaccesseddirectlyfromtheprograminterface.Fordetailed
information,see“UsingtheThinkServerEasyStartupprogram”onpage69
12ThinkServerHardwareMaintenanceManual
®
Windows
®
andLinux
®
operatingsystemsanddevicedriversonyourserver.Thisprogramis
.
ThinkServerEasyUpdateFirmwareUpdater
TheThinkServerEasyUpdateFirmwareUpdaterprogram(hereinafterreferredtoastheFirmwareUpdater
program)enablesyoutomaintainyourserverrmwareup-to-dateandhelpsyouavoidunnecessaryserver
outages.TheFirmwareUpdaterprogramisprovidedontheLenovoSupportWebsite.Formoreinformation
aboutdownloadingandusingtheFirmwareUpdaterprogram,see“Updatingthermware”onpage80
BIOSandBMCrmwareupdateutility
TheBIOSandBMCrmwarekeepsupdatingaftertheshipmentoftheserver.Lenovomaintainspages
ontheSupportWebsiteandprovidestheBIOSandBMCrmwareupdateutilitywithinstructionsfor
downloadtohelpyouupdatetheBIOSandBMCrmwareifneeded.Formoreinformation,see“Updatingor
recoveringtheBIOS”onpage67
andor“Updatingthermware”onpage80.
RAIDcongurationutilities
YourserversupportsonboardSATAsoftwareRAIDandadvancedSATA/SAShardwareRAIDcongurations
ifyouhavearequiredRAIDcardinstalled.Fordetailedinformation,see“ConguringRAID”onpage71.
PC-DoctorforDOS
ThePC-DoctorforDOSisadiagnostictoolthatyoucanusetotestandgatherinformationaboutyoursystem
inordertoensureyoursystemisworkingcorrectlyandresolveanyhardwareissues.Youcandownload
thelatestversionofthisdiagnosticprogramfromhttp://support.lenovo.comandcreateaself-starting
DOS-baseddiagnosticutilitythatyoucanusetodetectfailinghardwarecomponentsindependentlyofthe
operatingsystem.Formoreinformation,see“Usingthediagnosticprogram”onpage172
.
.
Locations
Thistopicprovidesinformationtohelpyoulocateyourservercomponents.
Machinetype,model,andserialnumberlabel
Thistopichelpsyoulocatethetwolabelsthatcontainthemachinetype,model,andserialnumber
informationforyourserver.Thetwolabelsarethesame.Oneisonthefrontbezelandtheotherison
thechassis.
Themachinetype,model,andserialnumberidentifyyourserver.WhenyoucontactLenovoforhelp,the
informationhelpssupporttechnicianstoidentifyyourserverandprovidefasterservice.
Chapter3.Productoverview13
Thefollowingillustrationisasampleofthemachinetype,model,andserialnumberlabelsontheserver.
Note: Dependingonthemodeltype,yourservermightlookslightlydifferentfromtheillustrationinthistopic.
Figure2.Machinetype,model,andserialnumberlabels
14ThinkServerHardwareMaintenanceManual
Frontviewoftheserver
Thistopicprovidesinformationtohelpyoulocatethepartsonthefrontoftheserver.
Thefollowingillustrationshowsthefrontviewoftheserver.
Figure3.Frontviewoftheserver
1Frontpanel 6Frontdoor
2Opticaldrivebay2(withanopticaldriveinstalled
7Frontdoorlock
insomemodels)
3Opticaldrivebay1(withanopticaldriveinstalled)
4Opticaldriveeject/closebutton 9DoctorInsideTechnology(DIT)panel(availableinsome
8Frontdoorhandle
models)
5OpticaldrivestatusLED
1Frontpanel
Fordetailedinformationaboutthecontrol,connectors,andstatusLEDsonthefrontpanel,see“Front
panel”onpage17.
2Opticaldrivebay2
The5.25-inchopticaldrivebay2isforasecondaryopticaldriveoraRDXUSBdrivebundle(serveroption).
Somemodelshaveasecondaryopticaldriveinstalled.
Chapter3.Productoverview15
3Opticaldrivebay1
Yourservercomeswithanopticaldriveinstalledinthe5.25-inchopticaldrivebay1.
4Opticaldriveeject/closebutton
Pressthisbuttontoejectorclosetheopticaldrivewhentheserverpowerison.
5OpticaldrivestatusLED
TheopticaldrivestatusLEDisblinkingingreenwhentheopticaldriveisworkingorinthePOSTprocess.
6Frontdoor
7Frontdoorlock
Youcanlockthefrontdoortoprotecttheharddiskdrivecagesfromunauthorizedaccess.
8Frontdoorhandle
Thefrontdoorhandlehelpsyoutoopenthefrontdoor.
9DITpanel
TheDITpanelisonlyavailableinmodelsthatcomewithaDITmodule.Formoreinformation,see“DIT
module”onpage18.
16ThinkServerHardwareMaintenanceManual
Frontpanel
Thistopicprovidesinformationtohelpyoulocatethecontrol,connectors,andLEDsonthefrontpanelof
theserver.
Thefollowingillustrationshowsthecontrol,connectors,andLEDsonthefrontpaneloftheserver.
Dependingonthemodel,yourservermightlookslightlydifferentfromthefollowingillustration.
Figure4.Frontpanel
1PowerswitchwithpowerstatusLED
2HarddiskdrivestatusLED
3NetworkInterfaceController(NIC)1statusLED 7FrontUSBconnector2
4NIC2statusLED
1PowerswitchwithpowerstatusLED
5SystemstatusLED
6FrontUSBconnector1
Youcanpressthepowerswitchtoturnontheserverwhenyounishsettinguptheserver.Youcanalso
holdthepowerswitchforseveralsecondstoturnofftheserverifyoucannotturnofftheserverfromthe
operatingsystem.SeeChapter4“Turningonandturningofftheserver”onpage53
.ThepowerstatusLED
helpsyoutodeterminethecurrentpowerstatus.
Chapter3.Productoverview17
PowerstatusLED
On Green
Off
Blinking
2HarddiskdrivestatusLED
Color
Theserverison.
None
Green TheserverisinACPIS1mode,whichisalsoknown
Theserverisoff.
asPowerOnSuspend(POS)mode.Inthismode,the
microprocessorisnotworkingwhileotherhardware
devicesarestillworking.
Description
TheharddiskdrivestatusLEDhelpsyoutodeterminethestatusoftheharddiskdriveactivity.
HarddiskdrivestatusLED
3NIC1statusLED
4NIC2statusLED
Color
Off
Blinking
None Theharddiskdriveisnotinuse.
Green
Theharddiskdriveisactiveanddataisbeing
transferred.
Description
ThetwoNICstatusLEDsindicatetheLANstatusfortheEthernetconnector1andEthernetconnector2
ontherearpaneloftheserver.
NICstatusLED Color
5SystemstatusLED
On Green
Off
Blinking
TheserverisconnectedtoaLAN.
None
Green
TheserverisdisconnectedfromaLAN.
TheLANisconnectedandactive.
Description
ThesystemstatusLEDhelpsyoutodetermineifthereareanysystemerrors.
SystemstatusLED Color
On
Off
Amber Asystemerrorhasoccurred.
None
Theserverisoffortheserverisonandisworking
correctly.
Description
6FrontUSBconnector1
7FrontUSBconnector2
UsedtoattachadevicethatrequiresaUSBconnector,suchasaUSBkeyboard,aUSBmouse,aUSB
scanner,oraUSBprinter.IfyouhavemorethansixUSBdevices,youcanpurchaseaUSBhub,which
youcanusetoconnectadditionalUSBdevices.
DITmodule
ThistopicprovidesinformationabouttheDITmoduleandthediagnosticLEDsonthepaneloftheDIT
module.
18ThinkServerHardwareMaintenanceManual