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
4 Hardware Replacement Guide