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Chapter 3:
3.1
Knowing BIOS
BIOS (Basic Input and Output System) stores system hardware settings such as storage
device configuration, overclocking settings, advanced power management, and boot device
configuration that are needed for system startup in the motherboard CMOS. In normal
circumstances, the default BIOS settings apply to most conditions to ensure optimum
performance. We recommend that you not change the default BIOS settings except in
the following circumstances:
•
An error message appears on the screen during the system bootup and requests you to
run the BIOS Setup.
•
You have installed a new system component that requires further BIOS settings or
update.
Inappropriate settings of the BIOS may result to instability or failure to boot. We strongly
recommend that you change the BIOS settings only with the help of a trained service
personnel.
3.2
Updating BIOS
The ASUS website publishes the latest BIOS versions to provide enhancements on system
stability, compatibility, or performance. However, BIOS updating is potentially risky. If there
is no problem using the current version of BIOS, DO NOT manually update the BIOS.
Inappropriate BIOS updating may result in the system's failure to boot. Carefully follow the
instructions of this chapter to update your BIOS if necessary.
Visit the ASUS website (www.asus.com) to download the latest BIOS file for this
motherboard.
The following utilities allow you to manage and update the motherboard BIOS setup program.
ASUS Update: Updates the BIOS in Windows
1.
ASUS EZ Flash 2: Updates the BIOS using a USB flash drive.
2.
ASUS CrashFree BIOS 3 utility: Restores the BIOS using the motherboard support
3.
DVD or a USB flash drive when the BIOS file fails or gets corrupted.
ASUS BIOS Updater: Updates the BIOS in DOS environment using a floppy disk drive
4.
or USB floppy disk drive.
Refer to the corresponding sections for details on these utilities.
Save a copy of the original motherboard BIOS file to a USB flash disk in case you need
to restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS
Update utility.
ASUS P7P55D PRO
Chapter 3
environment.
®
BIOS setup
3-1
- Quick Links:
- Motherboard Layout
- Memory Configurations
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