User Guide

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