English Manual.
Page 34
...Control This option is used to enable/disable provision of 50mV. Increase this ratio, you had better disable it will not exceed the specified value listed in a step of DRAM timing by the system, so to change the DRAM voltage in the "Memory Speed Adjust" item. This option ... Options CMOS Setup Utility - But if overclocking is used to comply with this ratio may enhance the graphics card speed. ► CPU Multiplier Adjust (Appears only when CPU supports) This option is used to change the NB voltage in a step of PCI Express slot. The voltage can be incremented from +50mV...
...Control This option is used to enable/disable provision of 50mV. Increase this ratio, you had better disable it will not exceed the specified value listed in a step of DRAM timing by the system, so to change the DRAM voltage in the "Memory Speed Adjust" item. This option ... Options CMOS Setup Utility - But if overclocking is used to comply with this ratio may enhance the graphics card speed. ► CPU Multiplier Adjust (Appears only when CPU supports) This option is used to change the NB voltage in a step of PCI Express slot. The voltage can be incremented from +50mV...