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Chapter 3: BIOS Setup
3-1: INTRODUCE THE BIOS.
B
IOS stands for Basic Input Output System. It is sometimes call the
ROM BIOS because it is stored in a Read-Only Memory (ROM)
chip on the motherboard. BISO is the first program to run when you
turn on your computer. It performs the followin functions:
• initializing and testing hardware in your computer (a process called
“POST”, for Power On Self Test)
• loading and running your operating system.
• managing SETUP for making changes in your computer.
• helping your operating system and application programs to manage
your PC hardware by means of a set of routiness called BIOS Run-
Time Services.
3-2: WHAT IS SETUP
S
ETUP is an interactive BIOS program that you need to run when:
• Changing the hardware on your system. (for example: installing a new
Hard Disk, etc.)
• Modifying the behavior of your computer. (for example: changing the
system time or date, or turning special features on or off, etc.)
• Enhancing your computer’s behavior. (for example: speeding up
performance by turning on shadowing or caching.)