82 AppendixSystem SetupOverviewUse system setup as follows:• To change the system configuration information after you add, change, or remove any hardware in yourcomputer• To set or change a user-selectable option such as the user password• To read the current amount of memory or set the type of hard drive installedBefore you use system setup, it is recommended that you write down the system setup screen informationfor future reference.PhysicalHeight x width x depth 36.8 x 18.4 x 42.6 cm(14.5 x 7.25 x 16.75 inches)Weight 10.4 kg (23 lb)EnvironmentalTemperature:Operating 10° to 30°C (50° to 86°F)NOTE: At 30°C (86°F), the maximum operating altitude is 914 m(3000 ft).Storage –40° to 65°C (–40° to 149°F)Relative humidity 20% to 80% (noncondensing)Maximum vibration:Operating 0.25 G at 3 to 200 Hz at 0.5 octave/minStorage 2.20 Grms at 10 to 500 Hz at 1 octave/minMaximum shock:Operating 105 G, 2 msStorage 32 G with a velocity change of 596.9 cm/sec (235 inches/sec)Altitude:Operating –15.2 to 3048 m (–50 to 10,000 ft)NOTE: At 30°C (95°F), the maximum operating altitude is 914 m(3000 ft).Storage –15.2 to 10,670 m (–50 to 35,000 ft)