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.
Figure 4 shows the location of parts on the system board for some computer
models.
1 Microprocessor and heat sink 9 Modem daughter card (MDC)
connector
2 Memory connectors (2) 10 Express card USB connector
3 Thermal sense cable connector 11 Express card PCIe connector
4 Front USB connector 12 Media card reader connector
5 Front panel connector 13 Internal speaker connector
6 Battery 14 Front audio connector
7 SATA IDE connectors (2) 15 Internal power distribution connector
8 Clear CMOS/Recovery jumper 16 System fan connector
Figure 4. Locating parts on the system board
Chapter 2. Overview 9
