Locating components
The following illustration will help you locate the various components in your
computer.
1PCI riser 6System fan
2Power supply assembly 7Internal speaker
3Optical drive eject button 8Cable clip
4Optical drive 9Rear fan bracket assembly
5Hard disk drive
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.
20 User Guide