User Guide

Wirelessfeatures
IntegratedwirelessLAN(onsomemodels)
IntegratedBluetooth(onsomemodels)
IntegratedwirelessWAN(onsomemodels)
IntegratedWiMAX(onsomemodels)
Securityfeatures
Fingerprintreader(onsomemodels)
Tabletfeatures
TabletDigitizerPen
Touchpanel(onselectmodels)
Specications
Thissectionprovidesspecicationsforyourcomputer.
ThinkPadX220andX220ispecications
Size
Width:305.0mm(12inch)
Depth:206.5mm(8.13inch)
Height:19to26.6mm(0.75inchto1.05inch)
Environment:
Maximumaltitudewithoutpressurization:3048m(10,000ft)
Temperature
Ataltitudesupto2438m(8000ft)
Operating:5.0°Cto35.0°C(41°Fto95°F)
Non-operating:5.0°Cto43.0°C(41°Fto109°F)
Ataltitudesabove2438m(8000ft)
Maximumtemperaturewhenoperatingundertheunpressurizedcondition:31.3°C(88°F)
Note:Whenyouchargethebatterypack,itstemperaturemustbeatleast10°C(50°F).
Relativehumidity:
Operating:8%to80%
Non-operating:5%to95%
Heatoutput
65W(222Btu/hr)maximumor90W(307Btu/hr)maximum,dependingonthemodel
Powersource(acpoweradapter)
Sine-waveinputat50to60Hz
Inputratingoftheacpoweradapter:100to240VAC,50to60Hz
30UserGuide