Rear View
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This is the rear of the computer. Refer to the table for more information.

Note: This graphic is an example. Some features may vary from those shown.

Rear view of the computer
Item Description
A Side panel screws (2)
B AC power connector
C Voltage switch

Before turning on the computer, ensure that the voltage switch is in the correct position for the power available.
In the United States, the power is supplied at a nominal 115 volts at 60 Hz. Set the voltage switch to 115 when operating the computer in the U.S. In other areas of the world, such as Europe, utility power is supplied at 230 volts at 50 Hz. Set the voltage switch to 230 when operating the computer in these areas.
D Exhaust fan vent
E Ports
F Add-in card retention latch
G Four add-in card slots
Note: The number, types, and locations of installed cards may vary from those shown.