Product Description 1-21
1.4 Design Overview
This section presents a design overview of key parts and features of the computer. For
assembly/disassembly instructions for the parts described in this section, refer to
Chapter 5.
System Board
The system board provides the following device connections:
"
Memory expansion board
"
Diskette drive
"
Hard drive
"
CD-ROM, CD-RW, and DVD-ROM drive
"
Display
"
Keyboard/EasyPoint IV pointing device
"
Audio
"
Processor
"
Fan
"
PC Cards
"
Modem
The computer is equipped with an Intel Pentium III 1-GHz, 900-, 850-, 750-, 700-,
650-, 600- or 450-MHz processor, or an Intel Pentium II 400- or 366-MHz processor,
depending on the computer model. For ventilation, an electrical fan is installed. The
fan operates on from 5 to 12 volts and is controlled by a temperature sensor. The fan 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 computer.
CAUTION: To properly ventilate the computer, allow at least a 3-inch (7.6 cm) clearance
on the left and right sides of the computer.
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