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Maintenance and Service Guide 1–21
3 Optical drive Reads an optical disc.
4 Secondary hard drive bay Holds an optional secondary hard drive.
Primary hard drive bay Hold the primary hard drive.
5 Vents (6) Enable airflow to cool internal
components.
Ä
To prevent overheating, do not
obstruct vents. Use the computer
only on a hard, flat surface. Do
not allow another hard surface,
such as an adjoining optional
printer, or a soft surface, such as
pillows or thick rugs or clothing, to
block airflow.
✎
The computer fan starts up
automatically to cool internal
components and prevent
overheating. It is normal for the
internal fan to cycle on and off
during routine operation.
6 Memory module
compartment
Contains the memory module slots, the
Mini Card slot, and the RTC battery.
Table 1-8
Bottom Components
(Continued)
Item Component Function