Appendix B: Specifications; Operating Environment; Input Power - HP G42-300 - Notebook PC Manual

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

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 is capable of accepting DC power within the following specifications.
Input power
Operating voltage and
current
Notebook Essentials

Appendix B: Specifications

Rating
18.5 V dc @ 3.5 A; 19 V dc @ 4.74; or 19.5 V dc @ 3.33 A
Metric
5°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
U.S.
41°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
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