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.
1 | Internal speaker connector | 12 | PCI adapter connector |
2 | Memory connector 4 | 13 | PCI adapter connector |
3 | Memory connector 3 | 14 Serial connector (COM 2) | |
4 | Memory connector 2 | 15 PCI Express x1 adapter connector | |
5 | Memory connector 1 | 16 | Clear CMOS/Recovery jumper |
6 | Front panel connector | 17 | Battery |
7 | Power supply connector | 18 | Microprocessor fan connector |
8 | PATA IDE connector | 19 | Microprocessor |
9 | System fan connector | 20 | Microprocessor heat sink |
10 | SATA IDE connectors (4) | 21 | 12V power connector |
11 | PCI Express x16 graphics connector | 22 | Diskette drive connector |
