Dell Dimension 3100 Owner's Manual page 104

Power
DC power supply:
Wattage
Heat dissipation
Voltage (see the safety instructions
located in the Product Information
Guide for important voltage setting
information)
Backup battery
Physical
Height
Width
Depth
Weight
Environmental
Temperature:
Operating
Storage
Relative humidity:
Operating
Storage
Maximum vibration:
Operating
Storage
Maximum shock:
Operating
Storage
102
Appendix
230 W
785 BTU/hr
NOTE:
Heat dissipation is calculated based upon the power supply
wattage rating.
manual selection power supply — 90 to 135 V and 180 to 265 V at
50/60 Hz
3-V CR2032 lithium coin cell
41.4 cm (16.3 inches)
18.8 cm (7.4 inches)
45.7 cm (18.0 inches)
12.7 kg (28 lb.)
10° to 35°C (50° to 95°F)
–40° to 65°C (–40° to 149°F)
20% to 80% (noncondensing)
5% to 95% (noncondensing)
0.25 G at 3 to 200 Hz at 0.5 octave/min
0.5 G at 3 to 200 Hz at 1 octave/min
bottom half-sine pulse with a change in velocity of 20 inches/sec
(50.8 cm/sec)
27-G faired square wave with a velocity change of 200 inches/sec
(508 cm/sec)