MSI 845PE Neo Series Manual page 73

MSI Reminds You...
Changing CPU Ratio/Vcore could result in the instability of the
system; therefore, it is NOT recommended to change the default
setting for long-term usage.
DDR/AGP Power Voltage
Adjusting the DDR/AGP voltage can increase the DDR/AGP speed. Any
changes made to these settings may cause a stability issue, so changing the
DDR/AGP voltage for long-term purpose is NOT recommended.
BIOS Setup
3-29