HP ProBook 5320m Getting Started- Windows Vista - Page 15
Product Information and Troubleshooting, Input power, Operating environment
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Product Information and Troubleshooting 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. The AC power source must be rated at 100-240 V, 50-60 Hz. 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. Input power Operating voltage Operating current Rating 18.5 V dc @ 3.5 A - 65 W 3.5 A ✎ This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding 240 V rms. 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 Temperature Operating Nonoperating Relative humidity (noncondensing) Operating Nonoperating Maximum altitude (unpressurized) Operating Nonoperating Metric U.S. 0°C to 35°C -20°C to 60°C 32°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 Getting Started 11