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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 the computer. It provides basic computer functions and supports a variety
of devices that are IBM-installed or that can be installed later.
The following illustration shows the locations of parts on the system board.
1 Microprocessor 8 Battery
2 DIMM connectors 9 Diskette drive connector
3 Front panel connector 10 Clear CMOS/BIOS recovery jumper
4 CD audio connector 11 System fan connector
5 PCI riser connector 12 Microprocessor fan connector
6 Secondary IDE connector 13 Main power
7 Primary IDE connector 14 Microprocessor power connector
Chapter 5. Installing Options 23