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85DIR3 / 85DIR3-L
Chapter 4 AMI BIOS Setup
BIOS stands for Basic Input and Output System. It was once called
ROM BIOS when it was stored in a Read-Only Memory (ROM) chip
Now manufacturers would like to store BIOS in EEPROM which means
Electrically Erasable Programmable Memory. BIOS used in this series
of mainboard is stored in EEPROM, and 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 manage
your PC hardware by means of a set of routines called BIOS Run-
Time Service.
This Chapter includes the following topics :
4-1 About BIOS Setup
4-2 To Run BIOS Setup
4-3 About CMOS
4-4 The POST (Power On Self Test)
4-5 To Update BIOS
4-6 BIOS Setup
THE BIOS
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