Lenovo 3379 - Manual (Page 17)

Connector Description
Audio line-in connector Used to receive audio signals from an external audio device,
such as a stereo system. When you attach an external audio
device, a cable is connected between the audio line-out
connector of the device and the audio line-in connector of the
computer.
Audio line-out connector Used to send audio signals from the computer to external
devices, such as powered stereo speakers (speakers with
built-in amplifiers), headphones, multimedia keyboards, or the
audio line-in connector on a stereo system or other external
recording device.
DisplayPort connector Used to attach a high-performance monitor, a direct-drive
monitor, or other devices that use a DisplayPort connector.
eSATA connector Use this external Serial Advanced Technology Attachment
(eSATA) connector to attach an external hard disk drive.
Ethernet connector Used to attach an Ethernet cable for a local area network
(LAN).
Note:
To operate the computer within FCC Class B limits, use
a Category 5 Ethernet cable.
Microphone connector Used to attach a microphone to your computer when you want
to record sound or if you use speech-recognition software.
Serial port Used to attach an external modem, a serial printer, or other
devices that use a 9-pin serial port.
Standard keyboard
connector Used to attach a keyboard that uses a standard keyboard
connector.
Standard mouse connector Used to attach a mouse, a trackball, or other pointing devices
that use a standard mouse connector.
USB connector Used to attach a device that requires a Universal Serial Bus
(USB) connector, such as a USB keyboard, a USB mouse, a USB
scanner or a USB printer. If you have more than eight USB
devices, you can purchase a USB hub, which you can use to
connect additional USB devices.
VGA monitor connector Used to attach a VGA monitor or other devices that use a VGA
monitor connector.
Chapter 1. Product overview 9