Lenovo 429040 Laptop User Manual


 
Wireless features
Integrated wireless LAN (on some models)
Integrated Bluetooth (on some models)
Integrated wireless WAN (on some models)
Integrated WiMAX (on some models)
Security features
Fingerprint reader (on some models)
Tablet features
Tablet Digitizer Pen
Touch panel (on select models)
Specications
This section provides specications for your computer.
ThinkPad X220 and X220i specications
Size
Width: 305.0 mm (12 inch)
Depth: 206.5 mm (8.13 inch)
Height: 19 to 26.6 mm (0.75 inch to 1.05 inch)
Environment:
Maximum altitude without pressurization: 3048 m (10,000 ft)
Temperature
At altitudes up to 2438 m (8000 ft)
Operating: 5.0°C to 35.0°C (41°F to 95°F)
Non-operating: 5.0°C to 43.0°C (41°F to 109°F)
At altitudes above 2438 m (8000 ft)
Maximum temperature when operating under the unpressurized condition: 31.3°C (88°F)
Note: When you charge the battery pack, its temperature must be at least 10 °C (50 °F).
Relative humidity:
Operating: 8% to 80%
Non-operating: 5% to 95%
Heat output
65 W (222 Btu/hr) maximum or 90 W (307 Btu/hr) maximum, depending on the model
Power source (ac power adapter)
Sine-wave input at 50 to 60 Hz
Input rating of the ac power adapter: 100 to 240 V AC, 50 to 60 Hz
30 User Guide