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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.
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 12 shows the locations of the various components in your
computer. To remove the computer cover, see “Removing the computer cover” on page 34
.
Figure3. Component locations
1 Heat sink and fan assembly
5 PCI card (installed in some models)
2 Memory modules (2) 6 PCI Express x16 graphics card slot
3 Front bezel
7 System board
4 Hard disk drive 8 Power supply assembly
12 ThinkCentre User Guide