The following illustration shows the locations of parts on the system board for some computer models.
1 | Microprocessor and heat sink | 12 | Front panel connector |
2 | Microprocessor fan connector | 13 | Front USB connectors (2) |
3 | Memory connector 1 | 14 | Battery |
4 | Memory connector 2 | 15 | PCI Express x1 adapter connector |
5 | Memory connector 3 | 16 | Serial (COM2) connector |
6 | Memory connector 4 | 17 | Front audio connector |
7 | Power connector | 18 | PCI adapter connectors |
8 | IDE connector | 19 | PCI Express x16 graphics adapter |
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| connector (some models) |
9 | Diskette drive connector | 20 | System fan connector |
10 | SATA IDE connectors (4) | 21 | 12v power connector |
11 | Clear CMOS/Recovery jumper |
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