User Guide

Table6.Congmenuitems(continued)
Menuitem
SubmenuitemSelectionComments
BootDisplayDevice
•ThinkPadLCD
•Analog(VGA)
•DigitalonThinkPad
•Digital1ondock
•Digital2ondock
Selectthedisplaydevice
thatistobeactiveatboot
time.Thisselectionis
effectiveforboottime,
passwordprompt,and
ThinkPadSetup.
“DigitalonThinkpad”
isDisplayPortonyour
computer.
“Digial1ondock”and
“Digital2ondock”are
DisplayPortorDVIon
dockingstation.
GraphicsDevice•IntegratedGraphics
•DiscreteGraphics
•NVIDIAOptimus
IntegratedGraphicswill
achievelongerbatterylife,
andDiscreteGraphics
enhancesperformance.
NVIDIAOptimusrunsas
IntegratedGraphicsmode
andDiscreteGraphicsis
enabledondemand.
Note:NVIDIAOptimus
modeshouldonlybe
selectedifyouareusinga
Windows7model.
Display
OSDetectionforNVIDIA
Optimus
•Disabled
•Enabled
SystemBIOSautomatically
switchesGraphicsdevice
settingtoNVIDIAOptimus
modeiftheOSsupports
thefeature,andtoDiscrete
GraphicsiftheOSdoesnot
supportit.
IntelSpeedStep
®
technology(Intel
SpeedStepmounted
modelsonly)
•Disabled
•Enabled
ModeforAC
•MaximumPerformance
•BatteryOptimized
ModeforBattery
•MaximumPerformance
•BatteryOptimized
SelectthemodeofIntel
SpeedSteptechnologyat
runtime.
MaximumPerformance:
Alwayshighestspeed
BatteryOptimized:Always
lowestspeed
Disabled:Noruntime
support,lowestspeed
Power
Chapter8.Advancedconguration189