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.
Figura 4 shows the locations of parts on the system board for some computer models.
Figura 4. System board parts locations
1 | Microprocessor fan connector | 13 | Front USB connectors (2) |
2 | Microprocessor and heat sink | 14 | Battery |
3 | Memory connector 1 | 15 | Clear CMOS/Recovery jumper |
4 | Memory connector 2 | 16 | Serial (COM) connector |
5 | Memory connector 3 | 17 | PCI adapter connectors |
6 | Memory connector 4 | 18 | Mono (speaker) connector |
7 | Cover presence switch connector | 19 | Front audio connector |
8 | Diskette drive connector | 20 | |
9 | IDE connector 1 | 21 | PCI Express x16 graphics adapter |
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| connector |
10 | Power connector | 22 | PCI Express x1 adapter connector |
11 | SATA IDE connectors (4) | 23 | System fan connector |
12 | Front panel connector | 24 | 12 V power connector |
Capitolo 2. Overview 7
