Lenovo ThinkCentre Edge 91z - Power Management; Automatic Configuration and Power Interface (ACPI) BIOS; Automatic Power-On Features

4.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).
5.Installthecomputercoverandreconnectallcablesandpowercordsthatweredisconnected.See
“Completingthepartsreplacement”onpage127.
6.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhentheStartupDevice
Menuopens,releasetheF12key.
7.InsertthePOST/BIOSupdate(ash)discintotheopticaldrive.Then,selecttheopticaldriveasthe
startupdeviceandpressEnter.Therecoverysessionbegins.
Note:Therecoverysessionwilltaketwotothreeminutes.Duringthistimeyouwillhearaseries
ofbeeps.
8.Aftertherecoverysessioniscompleted,theseriesofbeepswillend,andthesystemwillautomatically
turnoff.Removethediscfromtheopticaldrivebeforethesystemcompletelyturnsoff.
9.Repeatsteps1through3.
10.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).
11.Installthecomputercoverandreconnectallcablesandpowercordsthatweredisconnected.See
“Completingthepartsreplacement”onpage127.
12.Turnonthecomputertorestarttheoperatingsystem.
Powermanagement
Powermanagementreducesthepowerconsumptionofcertaincomponentsofthecomputersuchasthe
systempowersupply,processor,harddiskdrives,andsomemonitors.
Automaticcongurationandpowerinterface(ACPI)BIOS
BeinganACPIBIOSsystem,theoperatingsystemisallowedtocontrolthepowermanagementfeatures
ofthecomputerandthesettingforAdvancedPowerManagement(APM)BIOSmodeisignored.Not
alloperatingsystemssupportACPIBIOSmode.
AutomaticPower-Onfeatures
TheAutomaticPower-OnfeatureswithinthePowerManagementmenuallowyoutoenableanddisable
featuresthatturnonthecomputerautomatically.
•WakeUponAlarm:Youcanspecifyadateandtimeatwhichthecomputerwillbeturnedon
automatically.Thiscanbeeitherasingleeventoradailyevent.
•WakeonLAN:Ifthecomputerhasaproperlyconguredtoken-ringorEthernetLANadaptercardthatis
WakeonLAN-enabledandthereisremotenetworkmanagementsoftware,youcanusetheWakeonLAN
feature.WhenyousetWakeonLANtoEnabled,thecomputerwillturnonwhenitreceivesaspecic
signalfromanothercomputeronthelocalareanetwork(LAN).
Chapter10.AdditionalServiceInformation219