Identifying Parts On The System Board; System Board Parts Locations - Lenovo 9686 Hardware Installation And Replacement Manual

Identifying parts on the system board

The system board (also known as the planar or motherboard) is the main circuit
board in your computer. It provides basic computer functions and supports a
variety of devices. Your computer contains one of the three system board types
shown in the following three figures.
Figure 4 shows the locations of parts on the system board for some computer
models.
Figure 4. System board parts locations
1
Microprocessor fan connector
2
Microprocessor and heat sink
3
Memory connector 1
4
Memory connector 2
5
Memory connector 3
6
Memory connector 4
7
Diskette drive connector
8
IDE connector
9
Power connector
10
Power fan connector
11
SATA IDE connectors (4)
12
Front panel connector
13
Front USB connectors (2)
14
Battery
15
Clear CMOS/Recovery jumper
16
Serial (COM) connector
17
PCI adapter connectors (2)
18
Mono (speaker) connector
19
Front audio connector
20
CD-IN connector
21
PCI Express x16 graphics adapter
connector
22
PCI Express x1 adapter connector
23
System fan connector
24
12 V power connector
9
Chapter 2. Overview