Using Your System 2-9
Cooling Fans
Two cooling fans in your system provide proper ventilation
to cool system components and prevent overheating. One
fan is an integral part of the power supply. The second fan
is mounted on the processor. For proper ventilation, keep
the areas around the system clear of obstructions.
Voltage Selector Switch
The voltage selector switch is on the rear of the system, as
shown in the following figure. The switch sets the voltage
for your system to 115 volts (V) or 230 V. Most outlets in
the United States, Canada, and Taiwan are 115 V. Most
outlets in Europe, Australia, and Asia are 230 V.
CAUTION: Be sure that the voltage selector switch
is set correctly for the voltage in your area (115 V or
230 V.
Rear panel power supply features
Voltage Selector
Fan
Switch
Socket
System Power