98 Appendixw w w . d e l l . c o m | s u p p o r t . d e l l . c o mUsing the System Setup ProgramOverviewNOTE: Your operating system may automatically configure most of the options available in system setup,thus overriding options that you set through system setup. (An exception is the External Hot Key option,which you can disable or enable only through system setup.) For more information on configuringfeatures for your operating system, see the Help and Support Center. To access help, see page 11.Weight:With optical drive, 12-cell battery,and 14.1-inch display3.48 kg (7.68 lb)With optical drive, 12-cell battery,and 15-inch display3.70 kg (8.15 lb)EnvironmentalTemperature range:Operating 0° to 35°C (32° to 95°F)Storage –40° to 65°C (–40° to 149°F)Relative humidity (maximum):Operating 10% to 90% (noncondensing)Storage 5% to 95% (noncondensing)Maximum vibration (measured withDell's Random Vibration Profile):Operating 0.66 GRMSStorage 1.3 GRMSMaximum shock (measured with thehard drive in head-parked positionand 2-ms half-sine pulse):Operating 122 GStorage 163 GAltitude (maximum):Operating –15.2 to 3048 m (–50 to 10,000 ft)Storage –15.2 to 10,668 m (–50 to 35,000 ft)Physical (continued)