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3: Motherboard Configuration
User’s Manual
3•7
Firmware Configuration: The CMOS Setup Utility
The BIOS CMOS Setup Utility a configuration record of
system settings. This record is based on the “Optimized
Defaults that are stored with the utility in Flash memory
and can be reloaded at any time.
Many of these settings are either recommended or re-
quired for the motherboard to operate properly. Other
settings are customizable and can be changed to suit your
specific system configuration and operation requirements.
A number of the variable settings, such as CPU and IDE
device settings are set to be automatically detected in the
default configuration. While these settings can also be
established manually, automatic detection is more con-
venient, safe and reliable. We strongly recommend that
you leave all auto-detection settings undisturbed unless
you have a specific reason not to and you are certain of
what you are doing. Incorrect configuration of the CMOS
Setup Utility can result in unreliable operation or a fail-
ure of the motherboard to work at all.
Using the CMOS Setup Utility
Please refer to the “Configuring the CMOS Setup Utility”
section in Chapter 5 for information on using the utility
and some settings you might want to customize. The utility
does not run under an Operating System. You must load
it during the Power On Self Test (POST) while the com-
puter is starting up by press the Delete key or the Del key
on the system keyboard’s numeric keypad.