Identifying Parts On The System Board - Lenovo ThinkCentre 8111 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 installed or that you can install later.
The following illustration shows the locations of parts on the system board.
1
Internal speaker connector
2
Serial connector 2 (COM2)
3
PCI Express (x16) graphics
adapter connector
4
Power supply connector
5
PATA primary IDE connector
6
Diskette drive connector
7
12v power connector
8
Microprocessor heat sink
9
Fan connector 1
10
Front panel connector
11
Microprocessor
12
Fan connector 2
13
Memory connector 1
14
Memory connector 2
15
Memory connector 3
16
Memory connector 4
17
Battery
18
PCI riser connector
19
Chassis intrusion switch
20
SATA IDE connectors (2)
21
Clear CMOS/Recovery jumper
Chapter 1. Installing options
13