Lenovo 4105, 4157VJU, 4217 manual Audio line-in connector

1Audio line-in connector

2Audio line-out connector (front speaker connector)

3Microphone connector

4Headphone connector

5Audio line-out connector (subwoofer/center speaker connector)

6Audio line-out connector (rear speaker connector)

Used to receive audio signals from an external audio device, such as a stereo system. When you attach an external audio device to your computer, connect the cable to the audio line-out connector of the device and the audio line-in connector of the computer.

Used to send audio signals from the computer to external audio devices, such as powered stereo speakers (speakers with built-in amplifiers), multimedia keyboards, or the audio line-in connector on a stereo system or other external recording devices.

When used with 5.1 or 7.1 surround speakers, this connector should be attached to the front left and right speakers.

Used to attach a microphone to your computer when you want to record sound or if you use speech-recognition software.

Used to attach headphones to your computer when you want to listen to music or other sounds without disturbing anyone. This connector might be located on the front of the computer.

When used with 5.1 or 7.1 surround speakers, this connector should be attached to the center speaker and subwoofer.

When used with 5.1 or 7.1 surround speakers, this connector should be attached to the rear left and right speakers.

Chapter 3. Setting up your computer 7