13
CHAPTER 2
BIOS SETUP
The primary function of the BIOS (Basic Input and Output System) is to identify and initiate component
hardware. The BIOS parameters are stored in non-volatile BIOS memory (CMOS). CMOS contents don’t get
erased when the computer is turned off. The following topics are described in this chapter.
•
About the Setup Utility on page 13
•
Standard CMOS features on page 16
•
Advanced BIOS Features on page 18
•
Hard Disk Boot Priority on page 19
•
Network Boot Priority on page 20
•
Advanced Chipset Features on page 21
•
Integrated Peripherals on page 23
•
Power Management Setup on page 28
• PnP/PCI Configurations on page 29
•
PC Health Status on page 31
•
Frequency/Voltage Control on page 32
•
Other BIOS Options on page 33
About the Setup Utility
The BIOS Setup Utility enables you to configure the following items:
•
Hard drives, diskette drives, and peripherals
•
Video display type and display options
•
Password protection from unauthorized use
•
Power management features
This Setup Utility should be used for the following:
• When changing the system configuration
• When a configuration error is detected and you are prompted to make changes to the Setup Utility
• When trying to resolve IRQ conflicts
• When making changes to the Power Management configuration
•
When changing the User or Supervisor password