HP DM4 - Manual (Page 92)

6 Specifications
Computer specifications
Dimensions
Factor Metric U.S.
Depth 22.8 cm 8.98 in
Width 34.8 cm 13.7 in
Height (front to rear) 2.5 to 3.2 cm 0.98 to 1.26 in
Weight (lowest weight configuration) < 2.00 kg 4.42 lbs
Input power
Operating voltage 18.5 V dc @ 4.74 A – 90 W
Operating current 4.74 A
Temperature
Factor Metric U.S.
Operating 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 -15 m to 3,048 m -50 ft to 10,000 ft
Nonoperating -15 m to 12,192 m -50 ft to 40,000 ft
NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within
this range of temperatures.
84 Chapter 6 Specifications