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Connector Description
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.
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 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.
Locating components
Figure 3 “Component locations” on page 10 shows the locations of the various components in your
computer. To open the computer cover, see “Removing the computer cover” on page 32.
Figure 3. Component locations
1 Heat sink and fan assembly
6 Front bezel
2 Power supply assembly
7 Front fan (system fan) assembly
3 Memory modules
8 Hard disk drive (or solid state drive)
4 Optical drive 9 PCI card (installed in some models)
5 Front audio and USB assembly
10 Heat sink fan duct
10 ThinkCentre User Guide