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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 factory-installed or that you can install later.
The following illustration shows the locations of parts on the system board (some
models).
1 Microprocessor fan connector 12 Front panel connector
2 Microprocessor and heat sink 13 SATA IDE connectors (2)
3 Memory connector 1 14 Front panel USB connectors (2)
4 Memory connector 2 15 SATA IDE connector (2)
5 Clear CMOS/Recovery jumper 16 PCI adapter connectors
6 Power connector 17 Front audio connector
7 Diskette drive connector 18 CD-IN connector
8 IDE connector 1 19 PCI Express x16 graphics adapter
connector
9 IDE connector 2 20 PCI Express x1 adapter connector
10 Battery 21 System fan connector
11 Power fan connector 22 12v power connector
22 User Guide