Intel GA-4MXSV - Manual (Page 58)

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GA-4MXSV Motherboard
Exit Saving Changes
This option allows user to exit system setup with saving the changes.
Press on this item to ask for the following confirmation message:
Pressing ‘Y’ to store all the present setting values tha user made in this time into CMOS.
Therefore, whenyou boot up your computer next time, the BIOS will
re-configure your system according data in CMOS.
Exit Discarding Changes
This option allows user to exit system setup without changing any
previous settings values in CMOS. The previous selection remain in effect.
This will exit the Setup Utility and restart your compuetr when selecting this option.