Locating components, 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, the audio line-in connector on a stereo system, or other
	external recording devices.
DVI monitor connector	Used to attach a DVI monitor or other devices that use a DVI monitor 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.
Parallel port	Use this port to attach a parallel printer or other devices that use a 25-pin parallel
	port.
PS/2 keyboard connector	Used to attach a keyboard that uses a PS/2 keyboard connector.
PS/2 mouse connector	Used to attach a mouse, a trackball, or other pointing devices that use a PS/2
	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 uses a USB connector, such as a USB keyboard,
	a USB mouse, a USB scanner, or a USB printer. If the USB connectors on your
	computer are not enough for you to connect all your 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.

Locating components

Figure 3 “Component locations” on page 9 shows the locations of the various components in your computer. To remove the computer cover and gain access to the inside of the computer, see “Removing the computer cover” on page 14.

8ThinkCentre User Guide

7539, 154, 7548, 104 specifications

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