Identifying Parts On The System Board - IBM 8123 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.
12
User Guide
1
Speaker connector
2
Memory connector 4
3
Memory connector 3
4
Memory connector 2
5
Memory connector 1
6
Front panel I/Oconnector
7
Power supply connector
8
PATA IDE connectors
9
System fan connector
10
SATA connectors
11
PCI Express (x16) graphics
adapter connector
(some models)
12
PCI adapter connector 1
13
PCI adapter connector 2
14
Serial connector
15
PCI Express (x1) adapter
connector
16
Clear CMOS/Recovery jumper
17
Battery
18
Microprocessor fan connector
19
Microprocessor
20
Microprocessor heat sink
21
12v power connector
22
Diskette drive connector