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Locating components
The following illustration will help you locate the various components in your
computer.
1CD drive or DVD drive 7 Battery
2USB connector 8 DIMMs
3USB connector 9 Microprocessor and heat sink
4Optional drive bay 10AGP slot (some models)
5Hard disk drive 11PCI slots
6Diskette drive
Identifying parts on the system board
The system board (sometimes called the planar or motherboard) is the main circuit
board in your computer. It provides basic computer functions and supports a
variety of devices that are IBM-installed or that you can install later.
32 User Guide