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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.
1 Speaker connector 12 PCI adapter connector 1
2 Memory connector 4 13 PCI adapter connector 2
3 Memory connector 3 14 Serial connector
4 Memory connector 2 15 PCI Express (x1) adapter
connector
5 Memory connector 1 16 Clear CMOS/Recovery jumper
6 Front panel I/Oconnector 17 Battery
7 Power supply connector 18 Microprocessor fan connector
8 PATA IDE connectors 19 Microprocessor
9 System fan connector 20 Microprocessor heat sink
10 SATA connectors 21 12v power connector
11 PCI Express (x16) graphics
adapter connector
(some models)
22 Diskette drive connector
12 User Guide