- Lenovo Personal Computer User's Guide

Systemmanagementfeatures
•Abilitytostorepower-onself-test(POST)hardwaretestresults
•DesktopManagementInterface(DMI)
DesktopManagementInterfaceprovidesacommonpathforuserstoaccessinformationaboutall
aspectsofacomputer,includingprocessortype,installationdate,attachedprintersandotherperipherals,
powersources,andmaintenancehistory.
•PrebootExecutionEnvironment(PXE)
ThePrebootExecutionEnvironmentisanenvironmenttostartcomputersusinganetworkinterface
independentofdatastoragedevices(suchastheharddiskdrive)orinstalledoperatingsystems.
•SystemManagement(SM)BasicInput/OutputSystem(BIOS)andSMsoftware
TheSMBIOSspecicationdenesdatastructuresandaccessmethodsinaBIOSthatallowsauseror
applicationtostoreandretrieveinformationspecicaboutthecomputerinquestion.
•WakeonLAN
WakeonLANisanEthernetcomputernetworkingstandardthatallowsacomputertobeturnedon
orwokenupbyanetworkmessage.Themessageisusuallysentbyaprogramrunningonanother
computeronthesamelocalareanetwork.
•WakeonRing
WakeonRing,sometimesreferredtoasWakeonModem,isaspecicationthatallowssupported
computersanddevicestoresumefromsleeporhibernationmode.
•WindowsManagementInstrumentation(WMI)
WindowsManagementInstrumentationisasetofextensionstotheWindowsDriverModel.Itprovidesan
operatingsysteminterfacethroughwhichinstrumentedcomponentsprovideinformationandnotication.
Colortemperatureadjustment
Thecolortemperatureadjustmentfunctionenablesyoutoadjustthecolortemperatureandbrightnessof
yourcomputermonitor.Fordetailedinstructions,see“Colortemperatureadjustment”onpage17
.
Input/Output(I/O)features
•9-pinserialport
•SixUniversalSerialBus(USB)connectors
•OneEthernetconnector
•Twoaudioconnectors(microphoneconnectorandheadphoneconnector)
Formoreinformation,see“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”on
page8
and“Locatingconnectorsontherearofyourcomputer”onpage9.
Expansion
•Oneopticaldrivebay
•Oneharddiskdrivebay
Powersupply
Yourcomputercomeswitha150-wattautomaticvoltage-sensingpowersupply.
Securityfeatures
•ComputraceAgentsoftwareembeddedinrmware
2ThinkCentreUserGuide