1–74 Maintenance and Service Guide
Product Description
1.8 Design Overview
This section presents a design overview of key parts and features
of the tablet PC. Refer to Chapter 3, “Illustrated Parts Catalog‚"
to identify replacement parts, and Chapter 5, “Removal and
Replacement Procedures," for disassembly instructions.
The system board provides the following device connections:
■ Memory module
■ Hard drive
■ Display
■ Optional keyboard and pointing stick
■ Audio
■ Intel Pentium M or Celeron processor
■ Fan
■ PC Card
■ Secure Digital (SD) Memory card (not SD I/O)
■ External MultiBay
■ Modem or modem/NIC
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CAUTION: To prevent overheating, do not obstruct vents. Do not allow
a hard surface, such as a printer, or a soft surface, such as pillows or
thick rugs, to block airflow.
The tablet PC uses an electric fan for ventilation. The fan is
controlled by a temperature sensor and is designed to operate
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 applications.
Cooling air is taken in through the air vent located on the rear of
the tablet PC. Exhaust air is expelled through the air vent located
on the left side of the tablet PC.
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