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Specifications
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 (14.7 to 10.1 psia*)
Nonoperating (14.7 to 4.4 psia*)
*Pounds per square inch absolute (psia) is another unit of measurement for altitude.
Rated 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. Although
the computer can be powered from a stand-alone DC power source, it should be powered only with an
AC adapter or a DC power cord supplied by or approved for this computer.
The computer is capable of accepting DC power within the following specifications.
Input Power
Operating voltage
Operating current
This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding
240 V rms.
14
Chapter 1 Notebook Tour
Metric
10˚C to 35˚C
-20˚C to 60˚C
10% to 90%
5% to 95%
-15 m to 3,048 m
-15 m to 12,192 m
Rating
18.5 V dc to 19.0 V dc
3.5 A or 4.74 A
U.S.
50˚F to 95˚F
-4˚F to 140˚F
10% to 90%
5% to 95%
-50 ft to 10,000 ft
-50 ft to 40,000 ft
ENWW
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