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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 fan connector | 11 | Front panel connector |
2 | Microprocessor and heat sink | 12 | SATA IDE connectors (2) |
3 | Memory connector 1 | 13 | Front USB connectors (2) |
4 | Memory connector 2 | 14 | Serial (COM) connector |
5 | Clear CMOS/Recovery jumper | 15 | PCI adapter connectors |
6 | Power connector | 16 | Front audio connector |
7 | Diskette drive connector | 17 | PCI Express x16 graphics adapter |
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| connector |
8 | IDE connector 1 | 18 | PCI Express x1 adapter connector |
9 | IDE connector 2 | 19 | System fan connector |
10 | Battery | 20 | 12v power connector |
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