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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.
The following illustration shows the locations of parts on the system board for
some computer models.
1 Microprocessor and heat sink 11 Front panel connector
2 Microprocessor fan connector 12 Power LED connector
3 Memory connector 1 13 Clear CMOS/Recovery jumper
4 Memory connector 2 14 Front USB connectors
5 Power connector 15 Battery
6 Diskette drive connector 16 PCI adapter connectors
7 Primary IDE connector 17 Front audio connector
8 Secondary IDE connector 18 AGP adapter connector
9 Fan connector 19 12v power connector
10 SATA IDE connectors
4 Hardware Replacement Guide