HP Nc8430 Notebook Tour - Page 21

2 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 U.S. Temperature Operating (not writing to optical disc) 0°C to 35°C 32°F to 95°F Operating (writing to optical disc) 5°C to 35°C 41°F to 95°F Nonoperating -20°C to 60°C -4°F to 140°F Relative humidity (noncondensing) Operating 10% to 90% 10% to 90% Nonoperating 5% to 95% 5% to 95% Maximum altitude (unpressurized) Operating (14.7 to 10.1 psia*) -15 m to 3,048 m -50 ft to 10,000 ft Nonoperating (14.7 to 4.4 psia*) -15 m to 12,192 m -50 ft to 40,000 ft *Pounds per square inch absolute (psia) is another unit of measurement for altitude. Notebook Tour 2-1