2.2 BIOS setup program Asus prime Asus M3A78

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ASUS M3A78

2.2 

BIOS setup program

This motherboard supports a programmable Serial Peripheral Interface (SPI) chip that you 

can update using the provided utility described in section “2.1 Managing and updating your 

BIOS.”

Use the BIOS Setup program when you are installing a motherboard, reconfiguring your 

system, or prompted to “Run Setup.” This section explains how to configure your system 

using this utility.

Even if you are not prompted to use the Setup program, you can change the configuration of 

your computer in the future. For example, you can enable the security password feature or 

change the power management settings. This requires you to reconfigure your system using 

the BIOS Setup program so that the computer can recognize these changes and record them 

in the CMOS RAM of the SPI chip.

The SPI chip on the motherboard stores the Setup utility. When you start up the computer, 

the system provides you with the opportunity to run this program. Press <Del> during the 

Power-On Self-Test (POST) to enter the Setup utility. Otherwise, POST continues with its test 

routines. 

If you wish to enter Setup after POST, reboot the system by doing any of the following 

procedures:

•  Restart using the OS standard shut-down procedure.
•  Press <Ctrl>+<Alt>+<Del> simultaneously. 
•  Press the reset button on the system chassis. 
•  Press the power button to turn the system off then back on.

Using the power buttonreset button, or the <Ctrl>+<Alt>+<Del> keys to force reset from 

a running operating system can cause damage to your data or system. We recommend to 

always shut-down the system properly from the operating system.

The Setup program is designed to make it as easy to use as possible. Being a menu-driven 

program, it lets you scroll through the various submenus and make your selections from the 

available options using the navigation keys.

•  The default BIOS settings for this motherboard apply for most conditions to ensure 

optimum performance. If the system becomes unstable after changing any BIOS 

settings, load the default settings to ensure system compatibility and stability. Select the 

Load Setups Default item under the Exit Menu. See section 2.8 Exit Menu.

•  The BIOS setup screens shown in this section are for reference purposes only, and may 

not exactly match what you see on your screen. 

•  Visit the ASUS website at www.asus.com to download the latest BIOS file for this 

motherboard.