Dell Vostro A100 Setup And Quick Reference Manual page 28

Specifications
Power
DC power supply:
Wattage
Maximum heat dissipation (MHD)
Voltage (see the safety information
that shipped with your computer for
important voltage setting
information)
Coin-cell battery
NOTE: Vostro A180 can support discrete graphic cards up to 25W or additional peripherals up to 25W. If
greater power capabilities are required, the power supply unit must be upgraded.
Physical
Height
Width
28
180 W
614 BTU/hr
Heat dissipation is calculated by using the power supply wattage
rating.
200-240 VAC, 50/60 Hz, 3.5 A
115/230 VAC, 50/60 Hz, 7 A/3.5 A
3-V CR2032 lithium coin cell
35.9 cm (14.1 inches)
18.0 cm (7.1 inches)