Lenovo ThinkCentre A58 Hardware Maintenance Manual page 94

Audio line-in connector
Audio line-out connector
Ethernet connector
Microphone connector
Parallel port
Standard keyboard
connector
Standard mouse connector
Serial port
USB connector
VGA monitor connector
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Hardware Maintenance Manual
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.
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 devices.
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.
Used to attach a microphone to your computer when you want
to record sound or if you use speech-recognition software.
Used to attach a parallel printer, a parallel scanner, or other
devices that use a 25-pin parallel port.
Used to attach a keyboard that uses a standard keyboard
connector.
Used to attach a mouse, a trackball, or other pointing devices
that use a standard mouse connector.
Used to attach a serial printer or other devices that use a 9-pin
serial port.
Used to attach a device that requires a USB connector, such as a
USB keyboard, a USB mouse, a USB scanner, or a USB printer.
If you have more than six USB devices, you can purchase a
USB hub, which you can use to connect additional USB
devices.
Used to attach a VGA monitor or other devices that use a VGA
monitor connector.
Description