Design Overview - HP Compaq NC4010 Maintenance And Service Manual

1.6 Design Overview

This section presents a design overview of key parts and features
of the notebook. Refer to
to identify replacement parts, and
Replacement Procedures,"
board provides the following device connections:
Memory module
Hard drive
Display
Keyboard, TouchPad, and pointing stick
Audio
Intel Pentium-M processors
Fan
PC Card
Smart Card Reader
Modem, NIC, ISDN, and wireless devices
TPM security module
The notebook uses an electrical 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 applications.
Exhaust air is displaced through the ventilation grill located on
the left side of the notebook.
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.
Maintenance and Service Guide
Chapter 3, "Illustrated Parts Catalog,"
Chapter 5, "Removal and
for disassembly steps. The system
Product Description
1–21