Lenovo ThinkStation E31 - Power Cords and Power Adapters

LocatingmajorFRUsandCRUs......71
LookingupFRUinformation.......73
Locatingpartsonthesystemboard....74
Locatinginternaldrives.........76
Formachinetypes:3688,3690,3691,3693,and
3695..................76
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer.......77
Locatingconnectorsontherearofyour
computer...............78
LocatingmajorFRUsandCRUs......79
LookingupFRUinformation.......81
Locatingpartsonthesystemboard....82
Locatinginternaldrives.........84
Chapter10.ReplacingFRUs(for
machinetypes:2551,2552,2553,
2554,and2555)............85
Installingorreplacinghardware........85
Handlingstatic-sensitivedevices.....85
Installingexternaloptions........85
Removingthecomputercover.......86
Removingandreinstallingthefrontbezel..87
InstallingorreplacingaPCIcard......88
Installingorreplacingamemorymodule...91
Installingorreplacingtheopticaldrive...93
Replacingthecardreader........95
Replacingtheheatsinkandfanassembly..97
Replacingthefrontfanassembly.....99
Replacingtherearfanassembly......100
Installingthesolidstatedrive.......102
Replacingtheprimaryharddiskdrive....104
Replacingthesecondaryharddiskdrive...106
Installingthetertiaryharddiskdrive....108
Replacingthepowersupplyassembly...111
Replacingthemicroprocessor.......112
Replacingthesystemboard.......115
Completingthepartsreplacement.....118
Chapter11.ReplacingFRUs(for
machinetypes:3688,3690,3691,
3693,and3695)...........119
Installingorreplacinghardware........119
Handlingstatic-sensitivedevices.....119
Installingexternaloptions........119
Openingthecomputercover.......120
Removingandreinstallingthefrontbezel..120
Accessingthesystemboardcomponentsand
drives................122
Installingorreplacingamemorymodule...123
InstallingorreplacingaPCIcard......125
Installingorreplacingthecardreader....127
Replacingthebattery..........132
Installingthesolidstatedrive.......133
Replacingtheharddiskdrive.......135
Replacingtheopticaldrive........137
Replacingtheheatsinkandfanassembly..140
Replacingthepowersupplyassembly...143
Replacingthemicroprocessor.......148
Replacingthecoverpresenceswitch....151
Replacingtheinternalspeaker.......153
ReplacingthefrontaudioandUSB
assembly...............155
Replacingthesystemfan.........157
Replacingthethermalsensor.......158
Replacingthepowerswitch........161
Replacingthesystemboard.......162
Completingthepartsreplacement.....165
Chapter12.Additionalservice
information.............167
Securityfeatures..............167
Hardware-controlledpasswords......167
Operatingsystempassword.......167
Vitalproductdata............167
BIOSlevels................167
Updating(ashing)theBIOS.........167
Updating(ashing)theBIOSfromadisc...167
Updating(ashing)theBIOSfromyour
operatingsystem............168
RecoveringfromaPOST/BIOSupdatefailure..168
Powermanagement............169
Automaticcongurationandpowerinterface
(ACPI)BIOS..............169
AutomaticPower-Onfeatures.......169
AppendixA.Notices.........171
Televisionoutputnotice...........172
EuropeanconformanceCEmark.......172
Trademarks................172
Index.................173
ivThinkStationHardwareMaintenanceManual