Identifying Parts On The System Board - Lenovo 41X8111 Hardware Replacement 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 for
some computer models.
4
Hardware Replacement Guide
1
Microprocessor fan connector
2
Microprocessor and heat sink
3
Memory connector 1
4
Memory connector 2
5
Clear CMOS/Recovery jumper
6
Power connector
7
Diskette drive connector
8
IDE connector 1
9
IDE connector 2
10
Battery
11
Front panel connector
12
SATA IDE connectors (2)
13
Front USB connectors (2)
14
Serial (COM) connector
15
PCI adapter connectors
16
Front audio connector
17
PCI Express x16 graphics adapter
connector
18
PCI Express x1 adapter connector
19
System fan connector
20
12v power connector