HP G5050XX Notebook PC User Guide - Windows Vista - Page 20

Specifications Operating environment The operating environment information in the following table may be helpful if you plan to use or transport the computer in extreme environments. Factor Metric Temperature Operating Nonoperating 10˚C to 35˚C -20˚C to 60˚C Relative humidity (noncondensing) Operating Nonoperating Maximum altitude (unpressurized) 10% to 90% 5% to 95% Operating (14.7 to 10.1 psia*) -15 m to 3,048 m Nonoperating (14.7 to 4.4 psia*) -15 m to 12,192 m *Pounds per square inch absolute (psia) is another unit of measurement for altitude. U.S. 50˚F to 95˚F -4˚F to 140˚F 10% to 90% 5% to 95% -50 ft to 10,000 ft -50 ft to 40,000 ft Rated input power The power information in this section may be helpful if you plan to travel internationally with the computer. The computer operates on DC power, which can be supplied by an AC or a DC power source. Although the computer can be powered from a stand-alone DC power source, it should be powered only with an AC adapter or a DC power cord supplied by or approved for this computer. The computer is capable of accepting DC power within the following specifications. Input Power Operating voltage Operating current Rating 18.5 V dc to 19.0 V dc 3.5 A or 4.74 A This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding 240 V rms. 14 Chapter 1 Notebook Tour ENWW