Users Manual

GPSandwirelessfeatures
•GlobalPositioningSystem(GPS)satellitereceiver(onsomemodels)
•Bluetooth
•WirelessLAN
•WirelessWAN(onsomemodels)
•NFC(onsomemodels)
Securityfeatures
•Fingerprintreader(onsomemodels)
Specications
Thissectionliststhephysicalspecicationsforyourcomputer.
Size
•ForT540pmodels:
–Width:376.6mm(14.83inches)
–Depth:248.1mm(9.77inches)
–Height:27.9to29.5mm(1.10inchesto1.16inches)or29.9to33.9mm(1.18inchesto1.33inches)
•ForW540models:
–Width:376.6mm(14.83inches)
–Depth:248.1mm(9.77inches)
–Height:27.9to29.5mm(1.10inchesto1.16inches)
Heatoutput(dependingonthemodel)
•65W(222Btu/hr)maximum
•90W(307Btu/hr)maximum
•135W(460Btu/hr)maximum
•170W(580Btu/hr)maximum
Powersource(acpoweradapter)
•Sine-waveinputat50to60Hz
•Inputratingoftheacpoweradapter:100to240Vac,50to60Hz
Batterylife
•Forthepercentageofthebatterypowerremaining,checkthebatterystatusiconintheWindows
noticationarea.
Operatingenvironment
Thissectionprovidesinformationabouttheoperatingenvironmentofyourcomputer.
Environment:
•Maximumaltitudewithoutpressurization:3048m(10000ft)
•Temperature
Chapter1.Productoverview13