Lenovo 1986, 1993, 1995, 1985, 1987, 1994, 1982, 1983, 1990, 1992 manual Connector Description

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.
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.
PS/2 keyboard connector	Used to attach a keyboard that uses a PS/2 keyboard connector.
(optional)
PS/2 mouse connector	Used to attach a mouse, a trackball, or other pointing devices that use a PS/2
(optional)	mouse connector.
Serial port	Used to attach an external modem, a serial printer, or other devices that use a
	9-pin serial port.
USB connector	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 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.

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