eMachines etower Series User Manual page 18

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5 AC Power Receptacle
Your system power cable plugs into the AC power receptacle.
6 Voltage Selection Switch
The voltage selection switch must be set to match the AC power voltage.
CAUTION
Setting the voltage selection switch incorrectly will damage your computer. Verify that this
switch is set correctly for your AC power voltage before turning on your computer.
7 USB Connector
You can connect any USB compliant devices to the USB connector. USB devices include
low-speed peripherals such as microphone, digital joystick, and speaker.
8 Option Card Slot Covers
9 Parallel Port (LPT1) Connector
You can connect a parallel device, such as a printer, to the parallel port.
10 Air Ventilation Holes
There are holes for air ventilation.
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Introduction