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.

Figura 4 shows the locations of parts on the system board for some computer models.

Figura 4. System board parts locations

1

Microprocessor fan connector

13

Front USB connectors (2)

2

Microprocessor and heat sink

14

Battery

3

Memory connector 1

15

Clear CMOS/Recovery jumper

4

Memory connector 2

16

Serial (COM) connector

5

Memory connector 3

17

PCI adapter connectors

6

Memory connector 4

18

Mono (speaker) connector

7

Cover presence switch connector

19

Front audio connector

8

Diskette drive connector

20

CD-IN connector

9

IDE connector 1

21

PCI Express x16 graphics adapter

 

 

 

connector

10

Power connector

22

PCI Express x1 adapter connector

11

SATA IDE connectors (4)

23

System fan connector

12

Front panel connector

24

12 V power connector

Capitolo 2. Overview 7

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Lenovo 9159 manual Identifying parts on the system board, Figura 4. System board parts locations