USB 3.0 ports. These Universal Serial Bus 3.0 (USB 3.0) ports connect to USB 3.0 devices
such as a mouse, printer, scanner, camera, PDA, and others.
• DONOTconnectakeyboard/mousetoanyUSB3.0portwheninstallingaWindows®
operating system.
• DuetoUSB3.0controllerlimitations,USB3.0devicescanonlybeusedunderaWindows®
OS environment and after the USB 3.0 driver installation.
• USB3.0devicescanonlybeusedfordatastorage.
• WestronglyrecommendthatyouconnectUSB3.0devicestoUSB3.0portsforafasterand
better performance from your USB 3.0 devices.
USB 2.0 ports. These Universal Serial Bus 2.0 (USB 2.0) ports connect to USB 2.0 devices
such as a mouse, printer, scanner, camera, PDA, and others.
Microphone port (pink). This port connects a microphone.
Line Out port (lime). This port connects a headphone or a speaker. In 4.1-channel,
5.1-channel, and 7.1-channel configurations, the function of this port becomes Front
Speaker Out.
Line In port (light blue). This port connects to a tape, CD, DVD player, or other audio
sources.
Refer to the audio configuration table below for the function of the audio ports in a 2.1, 4.1,
5.1, or 7.1-channel configuration.
Audio 2.1, 4.1, 5.1, or 7.1-channel configuration
Port Headset 2.1-channel 4.1-channel 5.1-channel 7.1-channel
Light Blue (Rear panel) Line In Rear Speaker Out Rear Speaker Out Rear Speaker Out
Lime (Rear panel) Line Out Front Speaker Out Front Speaker Out Front Speaker Out
Pink (Rear panel) Mic In Mic In Bass/Center Bass/Center
Front panel - - - Side Speaker Out
Expansion slot brackets. Remove the expansion slot bracket when installing an
expansion card.
LPT connector (on selected models only). Connect a parallel device such as a printer
to this LPT (Line Printing Terminal) connector.
ASUS Desktop PC 21
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