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Maintenance and Service Guide 1–51
1.6 Desi gn Over vi ew
This section presents a design overview of key parts and features
of the notebook. Refer to Chapter 3, “Illustrated Parts Catalog,”
to identify replacement parts, and Chapter 5, “Removal and
Replacement Procedures,” for disassembly steps.
The system board provides the following device connections:
■ Memory module
■ Mini PCI communications device
■ Hard drive
■ Display
■ Keyboard and TouchPad
■ Audio
■ Intel Pentium M or Intel Mobile Celeron processor
■ Fan
■ PC Card
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CAUTION: To properly ventilate the notebook, allow at least a 7.6-cm
(3-inch) clearance on all sides of the notebook.
The notebook uses an electric fan for ventilation. The fan is
controlled by a temperature sensor and is designed to come on
automatically when high temperature conditions exist. These
conditions can be caused by high external temperatures, heavy
system power consumption, certain power management/battery
conservation configurations, battery fast charging, and some
software applications. Exhaust air is displaced through the
ventilation grill located on the notebook rear panel.