HP Business Notebook PC - Getting Started Guide - Enhanced for Accessibility - Windows Vista

10 Getting Started
Product Information and Troubleshooting
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 standalone DC power source, it should be
powered only with an AC adapter or a DC power source supplied and approved by HP for use
with this computer.
The computer can operate on DC power within the following specifications.
This product is designed for IT power systems in Norway with phase-to-phase voltage not
exceeding 240 V rms.
Input power
Input power Rating
Operating voltage 18.5 V dc @ 4.7 A - 90 W
Operating current 6.5 A
Operating environment
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 -15 m to 3,048 m -50 ft to 10,000 ft
Nonoperating -15 m to 12,192 m -50 ft to 40,000 ft
469431-001.book Page 10 Monday, May 12, 2008 3:14 PM