SUPER MICRO Computer I2DMR-8G2 - Manual (Page 61)

Chapter 4: AMI BIOS
4-13
4-6 Exit Options
Select the Exit tab from the BIOS Setup Utility screen to enter the Exit BIOS
Setup screen.
Exit Saving Changes
When you have completed the system configuration changes, select this
option to leave BIOS Setup and reboot the computer, so the new system
configuration parameters can take effect. Select Save Changes and Exit
from the Exit menu and press <Enter>.
Exit Discarding Changes
Select this option to quit BIOS Setup without making any permanent changes
to the system configuration and reboot the computer. Select Discard
Changes and Exit from the Exit menu and press <Enter>.
Load Optimal Defaults
To set this feature, select Load Optimal Defaults from the Exit menu and
press <Enter>. Then, Select "OK" to allow BIOS to automatically load Optimal
Defaults to BIOS Settings. The Optimal settings are designed for maximum
system performance, but may not work best for all computer applications.
Load Fail-Safe Defaults
To set this feature, select Load Fail-Safe Defaults from the Exit menu and
press <Enter>. The Fail-Safe settings are designed for maximum system
stability, but not maximum performance.