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1–36 Maintenance and Service Guide
Product Description
1.6 D esi 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 expansion board
■ Hard drive
■ Display
■ Keyboard and TouchPad
■ Audio
■ Mobile Intel Pentium 4 Processor-M processors
■ Fan
■ PC Card
■ Modem, NIC, and wireless devices
Ä
CAUTION: To properly ventilate the notebook, allow at least a 7.6-cm
(3-inch) clearance on the left and right sides of the notebook.
The notebook 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 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 left side of the notebook.
325388-002.book Page 36 Friday, October 24, 2003 9:21 AM