Notebook Tour - Windows Vista

2 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 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 (14.7 to 10.1 psia*)
-15 m to 3,048 m -50 ft to 10,000 ft
Nonoperating (14.7 to 4.4 psia*) -15 m to 12,192 m -50 ft to 40,000 ft
*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 your
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 source supplied and approved by HP for use with the computer.
The computer is capable of accepting DC power within the following specifications.
Input power Rating
Operating voltage 18.5 V dc @ 3.5 A – 65 W; 19.0 V dc @ 4.74 A – 90W
Operating current 3.5 A; or 4.9 A
20 Chapter 2 Specifications ENWW