Lenovo ThinkCentre Edge 71 - Power Management; Advanced Configuration and Power Interface (ACPI) BIOS; Automatic Power-On Features

2.Removethecomputercover.Formachinetypes1577,1579,and1607,see“Removingthecomputer
cover”onpage79.Formachinetypes1578,1583,and1652,see“Removingthecomputercover”on
page109.
3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Locatingpartsonthesystem
board”onpage77.
4.RemoveanypartsanddisconnectanycablesthatmightpreventyouraccesstotheClearCMOS
/Recoveryjumper.
5.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).
6.Reinstallanypartsandreconnectanycablesthathavebeenremovedordisconnected.
7.Reinstallthecomputercoverandreconnectthepowercordsforthecomputerandmonitor.Formachine
types1577,1579,and1607,see“Completingthepartsreplacement”onpage101.Formachinetypes
1578,1583,and1652,see“Completingthepartsreplacement”onpage139.
8.TurnonthecomputerandtheninsertthePOSTandBIOSupdate(ashupdate)discintotheoptical
drive.Waitafewminutes.Then,therecoverysessionbegins.Therecoverysessionwilltaketwoto
threeminutes.Duringthistime,awarningmessagewillbedisplayedandnoactionisneededfromyou.
9.Aftertherecoverysessioniscompleted,therewillbenovideo,andyourcomputerwillautomatically
turnoff.
10.Repeatstep1throughstep4.
11.Movethejumperbacktothestandardposition(pin1andpin2).
12.Reinstallanypartsandreconnectanycablesthathavebeenremovedordisconnected.
13.Reinstallthecomputercoverandreconnectpowercordsandallotherexternalcables.Formachine
types1577,1579,and1607,see“Completingthepartsreplacement”onpage101.Formachinetypes
1578,1583,and1652,see“Completingthepartsreplacement”onpage139.
14.Turnonthecomputertorestarttheoperatingsystem.
Powermanagement
Powermanagementreducesthepowerconsumptionofcertaincomponentsofthecomputersuchasthe
systempowersupply,processor,harddiskdrives,andsomemonitors.
AdvancedCongurationandPowerInterface(ACPI)BIOS
BeinganACPIBIOSsystem,theoperatingsystemisallowedtocontrolthepowermanagementfeatures
ofthecomputerandthesettingforAdvancedPowerManagement(APM)BIOSmodeisignored.Not
alloperatingsystemssupportACPIBIOSmode.
AutomaticPower-Onfeatures
TheAutomaticPower-OnfeatureswithinthePowerManagementmenuallowyoutoenableanddisable
featuresthatturnonthecomputerautomatically.
•RTCresume:Youcanspecifyadateandtimeatwhichthecomputerwillbeturnedonautomatically.
Thiscanbeeitherasingleeventoradailyevent.
•WakeonLAN:Ifthecomputerhasaproperlyconguredtoken-ringorEthernetLANadaptercardthatis
WakeonLAN-enabledandthereisremotenetworkmanagementsoftware,youcanusetheWakeonLAN
feature.WhenyousetWakeonLANtoEnabled,thecomputerwillturnonwhenitreceivesaspecic
signalfromanothercomputeronthelocalareanetwork(LAN).
Chapter11.Additionalserviceinformation219