HP nx8220 Hardware and Software Guide - Page 226

A Specifications Operating Environment The operating environment information in the following table may be helpful if you plan to use or transport the notebook in extreme environments. Factor Temperature Operating (not writing to optical disc) Operating (writing to optical disc) Nonoperating Relative humidity (noncondensing) Operating Nonoperating Maximum altitude (unpressurized) Operating (14.7 to 10.1 psia) Nonoperating (14.7 to 4.4 psia) Metric U.S. 0°C to 35°C 5°C to 35°C -20°C to 60°C 32°F to 95°F 41°F to 95°F -4°F to 140°F 10% to 90% 5% to 95% 10% to 90% 5% to 95% -15 m to 3,048 m -50 ft to 10,000 ft -15 m to 12,192 m -50 ft to 40,000 ft Hardware and Software Guide A-1