Identifying Parts On The System Board - Lenovo ThinkCentre A52 8157 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 that are factory-installed or that you can install later.
The following illustration shows the locations of parts on the system board.
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User Guide
1
Diskette drive connector
2
Speaker connector
3
Memory connector 4
4
Memory connector 3
5
Memory connector 2
6
Memory connector 1
7
Front panel I/O connector
8
PATA IDE connector
9
Serial connector
10
SATA connectors
11
Chassis intrusion switch connector
12
Clear CMOS/Recovery jumper
13
Power supply connector
14
PCI Express (x16) graphics adapter
connector (some models)
15
PCI Express (x1) adapter connector
16
PCI adapter connector 2
17
PCI adapter connector 1
18
Battery
19
CPU fan connector
20
Microprocessor
21
Microprocessor heat sink
22
12v power connector