User Manual

ROG MAXIMUS XII FORMULA BIOS Manual
35
BCLK Spread Spectrum
This item allows you to reduce the EMI. Disable to get more accurate base clocks.
Configuration options: [Auto] [Disabled] [Enabled]
BCLK Frequency Slew Rate
This item allows you set the frequency update rate. Lower values speed up clock
changes.
Configuration options: [Auto] [Ultra fast] [Fast] [Normal] [Slow]
PCIE/DMI Amplitude
This item allows you set the signal magnitude of the reference PCIE/DMI CLK
supplied to the processor. Higher values may improve overclocking stability.
Configuration options: [Auto] [700mV] [800mV] [1000mV] [1500mV]
PCIE/DMI Spread Spectrum
Configuration options: [Auto] [Disabled] [Enabled]
PCIE/DMI Frequency Slew Rate
Configuration options: [Auto] [Ultra fast] [Fast] [Normal] [Slow]
PCIE/DMI Slew Rate
This item allows you set the speed at which the base clock rises or falls. Set a high
value for overclocking stability.
Configuration options: [Auto] [1.5V/ns] [2.5V/ns] [3.5V/ns] [4.5V/ns]
Cold Boot PCIE Frequency
This item allows you to set the PCIE Frequency at cold boot.
Configuration options: [Auto] [80.0] - [120.0]
This item is only with regards to PCIE clk, not BCLK.
DRAM VTT Voltage
Configuration options: [Auto] [0.500] - [1.300]
VPPDDR Voltage
Configuration options: [Auto] [2.100] - [3.135]
DMI Voltage
Configuration options: [Auto] [0.300] - [1.900]
Internal PLL Voltage
This item allows you to configure the offset for the Core PLL VCC Trim.
Configuration options: [Auto] [0.900] - [1.845]
GT PLL Voltage
This item allows you to configure the offset for the GT PLL VCC Trim.
Configuration options: [Auto] [0.900] - [1.845]
Ring PLL Voltage
This item allows you to configure the offset for the Ring PLL VCC Trim.
Configuration options: [Auto] [0.900] - [1.845]
System Agent PLL Voltage
This item allows you to configure the offset for the System Agent PLL VCC Trim.
Configuration options: [Auto] [0.900] - [1.845]