Compaq Presario CQ56-100 Getting Started - Windows 7 - Page 46

Specifications, Input power, Operating environment

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8 Specifications ● Input power ● Operating environment 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 and current Rating 18.5 V dc @ 3.5 A - 65W NOTE: This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding 240 V rms. NOTE: The computer operating voltage and current can be found on the system regulatory label inside the battery bay of the computer. Operating environment Factor Temperature Operating (writing to optical disc) Nonoperating Relative humidity (noncondensing) Operating Nonoperating Maximum altitude (unpressurized) Metric 5°C to 35°C -20°C to 60°C 10% to 90% 5% to 95% U.S. 41°F to 95°F -4°F to 140°F 10% to 90% 5% to 95% 40 Chapter 8 Specifications

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8
Specifications
●
Input power
●
Operating environment
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
Rating
Operating voltage and current
18.5 V dc @ 3.5 A - 65W
NOTE:
This product is designed for IT power systems in Norway with phase-to-phase voltage not
exceeding 240 V rms.
NOTE:
The computer operating voltage and current can be found on the system regulatory label inside
the battery bay of the computer.
Operating environment
Factor
Metric
U.S.
Temperature
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)
40
Chapter 8
Specifications