Design Overview - HP Compaq NC4400 Maintenance And Service Manual

Product Description

1.5 Design Overview

This section presents a design overview of key parts and features
of the computer. Refer to
to identify replacement parts, and
Replacement Procedures,"
The system board provides the following device connections:
■
Audio
■
Bluetooth
■
Display
■
Hard drive
■
Intel Core Duo and Celeron M processors
■
Keyboard
■
Memory module
■
Mini Card devices
■
PC Card
■
Pointing stick
■
TouchPad
Ä
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.
1–20
Chapter 3, "Illustrated Parts Catalog,"
Chapter 5, "Removal and
for disassembly steps.
Maintenance and Service Guide