Identifying Parts On The System Board - Lenovo ThinkCentre 8111 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.
4
Hardware Replacement Guide
1
Internal speaker connector
2
Serial connector 2 (COM2)
3
PCI Express x16 graphics adapter
connector
4
Power 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 connectors
21
Clear CMOS/Recovery jumper