Lenovo 852, 3091, 3265, 4285, 870, 800, 5205, 5248, 3678, 3650, 3429, 3373, 2557, 2471 Connector Description

4Microphone connector

5USB connector

6Serial port (available in some models)

7PS/2 mouse connector (available in some models)

8PS/2 keyboard connector (available in some models)

12

13

14

15

USB connectors (4)

DisplayPort out connector

VGA IN connector

ExpressCard slot (available in some models)

Connector	Description
DisplayPort out 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 mouse
(optional)	connector.
Serial port (optional)	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 IN connector	Used to connect your computer to a VGA monitor connector on a second computer so
	that you can use your computer in monitor mode.

10ThinkCentre User Guide