Specifications

Chapter 2: 7401-4xxx Product Overview 2-21
Theabilitytorespondtoexternalinterruptsisfullymaintainedwhile
inStandBymodeallowingthesystemtoservicerequestssuchasin‐
comingdataornetworkmessageswhileunattended.Theusermay
alsomakeanykeyboardormouseactivitytotakethesystemoutofthe
energysaving
StandBymode.Whenthisoccurs,themonitorandIDE
drivesareturnedbackonimmediately.
AdvancedPowerManagement(APM)isachievedbythefollowing:
 DOSrequiresadriver(FS‐APM.dos)
 NTrequiresadriver(NCRSYSM.SYS)
 Windows2000mustenabletheoperatingsystemAPMsetting.The
OS
APMsettingisdisabledbydefault.NCRGoldDriversare
enabledinthissettingbyselecting:
Start,ControlPanel,PowerOptions,APMtabandcheckthebox
EnableAdvancePowerManagementSupport
ClickOktofinish.
ACPI
The7401‐46xxterminalBIOSsupportsAdvanceConfigurationPower
Interface(ACPI)2.0powermanagement.
Primarydifferencesbetween
APMandACPIareasfollows:
 OnanAPM‐managedterminal,theBIOSdetermineswhento
switchbetweenpowerstatesandalsoperformstheswitch.When
usingACPI,theoperatingsystemdetermineswhentoswitchand
informstheBIOStoperformtheswitch.
 APMmust
beenabledintheBIOS.ACPIisautomaticallyactive
withtheoperatingsystem.
 ACPISetupoptionsareavailableintheOSControlPanel.
RefertothetableintheACPIsectionof“Chapter2:7401‐2xxxand3xxx
ProductOverview”foracomparisonoftheoperationmodes(states)
supportedby
APMandACPIpowermanagement.