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Locating parts on the system board
Figure 4 shows the locations of the parts on the system board.
1 Microprocessor 12 Front panel connector
2 Microprocessor fan connector 13 USB connectors (2)
3 Memory slots (2) 14 Serial (COM 2) connector
4 Thermal sensor connector 15 Front audio connector
5 24-pin power connector 16 Internal speaker connector
6 Parallel connector 17 PCI card slots (2)
7 Battery 18 PCI Express x1 card slot
8 Cover presence switch connector
(Intrusion switch connector) (some models)
19 PCI Express x16 graphics card slot
9 SATA connectors (3) 20 System fan connector
10 Clear CMOS (Complementary Metal
Oxide Semiconductor) /Recovery jumper
21 4-pin power connector
11 Power fan connector 22 PS/2 keyboard and mouse connector
Locating internal drives
Internal drives are devices that your computer uses to read and store data. You can
add drives to your computer to increase storage capacity and enable your
computer to read other types of media. Internal drives are installed in bays. In this
manual, the bays are referred to as bay 1, bay 2, and so on.
When installing or replacing an internal drive, it is important to note the type and
size of the drive that you can install or replace in each bay and correctly connect
the cables to the drive installed. Refer to the appropriate section in Chapter 2,
“Installing or replacing hardware,” on page 13 for instructions on how to install or
replace internal drives for your computer.
Figure 4. System board part locations
Chapter 1. Product overview 11