Computer Hardware User Manual

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