HP Nw9440 HP Compaq nx9420 and nw9440 Notebook PC - Getting Started - Enhanced - Page 40
Specifications, Operating environment
UPC - 882780782174
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A Specifications The following sections provide information on the operating environment specifications and power specifications of the computer. 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. Getting Started A-1