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CHAPTER
• BIOS stands for Basic Input and Output System. It is sometimes called
ROM BIOS because it is stored in a Read-Only Memory (ROM) chip on the
mainboard. BIOS is the first program to run when you turn on your computer.
• BIOS performs the following functions:
1. Initializing and testing hardware in your computer (a process called "POST",
for Power On Self Test).
2. Loading and running your operating system.
3. Helping your operating system and application programs to manage your
PC hardware by means of a set of routines called BIOS Run-Time Service.
THIS CHAPTER CONTAINS THE FOLLOWING TOPICS :
4-1 WHAT IS BIOS SETUP
4-2 HOW TO RUN BIOS SETUP
4-3 WHAT IS CMOS
4-4 WHAT IS POST
4-5 BIOS UPGRADE
4-6 BIOS SETUP
4
THE BIOS
53
Chapter4 BIOS Setup
BIOS SETUP
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