1–20 Maintenance and Service Guide
Product Description
1. 5 D e s i g n O ve r v i ew
This section presents a design overview of key parts and features
of the computer. 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:
■ Audio
■ Display
■ Hard drive
■ Intel Core Duo, Core Solo, Celeron, and Celeron M
processors
■ Keyboard and TouchPad
■ Memory modules
■ Mini Card module
■ Modem module
■ Optical drive
■ PC Card
■ Smart Adapter AC adapter
■ Smart card
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CAUTION: To properly ventilate the computer, allow at least a 7.6-cm
(3-inch) clearance on the left and right sides of the computer.
The computer uses an electric fan for ventilation. The fan is
controlled by a temperature sensor and is designed to turn on
automatically when high temperature conditions exist. These
conditions are affected by high external temperatures, system
power consumption, power management/battery conservation
configurations, battery fast charging, and software. Exhaust air
is displaced through the ventilation grill located on the left side
of the computer.
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