User Guide
Page 68
... DDR_VREF_CA_ C Voltage (V)/ DDR_VREF_DQ_A Voltage (V)/ DDR_VREF_DQ_B Voltage (V)/ DDR_ VREF_DQ_C Voltage (V)/ NB Voltage (V)/ ICH Voltage (V) These items are used to select the CPU/ IOH chipset clock skew. But if you are plagued by EMI, select the value of Spread Spectrum for EMI reduction. But if you are plagued by...Amplitude Control/ PCI Express Amplitude Control These items are used to select the CPU/ PCI Express clock amplitude. ▶ CPU CLK Skew/ IOH CLK Skew These items are used to adjust the voltage of CPU, Memory and chipset. ▶ Spread Spectrum When the mainboard's clock ...
... DDR_VREF_CA_ C Voltage (V)/ DDR_VREF_DQ_A Voltage (V)/ DDR_VREF_DQ_B Voltage (V)/ DDR_ VREF_DQ_C Voltage (V)/ NB Voltage (V)/ ICH Voltage (V) These items are used to select the CPU/ IOH chipset clock skew. But if you are plagued by EMI, select the value of Spread Spectrum for EMI reduction. But if you are plagued by...Amplitude Control/ PCI Express Amplitude Control These items are used to select the CPU/ PCI Express clock amplitude. ▶ CPU CLK Skew/ IOH CLK Skew These items are used to adjust the voltage of CPU, Memory and chipset. ▶ Spread Spectrum When the mainboard's clock ...