Asus RAMPAGE V EXTREME U3.1 User Guide - Page 108
External DIGI+ Power Control, CPU VRM Switching Frequency [Auto]
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Chapter 3 External DIGI+ Power Control Some of the following items are adjusted by typing the desired values using the numeric keypad and press the key. You can also use the and keys to adjust the value. To restore the default setting, type [auto] using the keyboard and press the key. CPU Input Boot Voltage [Auto] The voltage for CPU at initial Boot. CPU Load-Line Calibration [Auto] CPU Load-line is defined by Intel's VRM spec and affects CPU voltage. The CPU operating voltage will decrease proportionally to the CPU load. Higher load-line calibration would enable higher voltage for better overclocking performance, but decrease the CPU and VRM thermal. This item allows you to adjust the voltage range from the following percentages to boost the system performance: 0% (Regular), 25% (Medium), 50% (High), 75% (Ultra High) and 100% (Extreme). Configuration options: [Auto] [Regular] [Medium] [High] [Ultra High] [Extreme] The actual performance boost may vary depending on your CPU specification. CPU VRM Switching Frequency [Auto] This item affects the VRM transient response speed and the component thermal efficiency. Select [Manual] to configure a higher frequency for a quicker transient response speed. Configuration options: [Auto] [Manual] DO NOT remove the thermal module. The thermal conditions should be monitored. The following item appears only when you set the CPU VRM Switching Frequency to [Manual]. VRM Spread Spectrum [Disabled] Enable this item to enhance system stability. Configuration options: [Disabled] [Enabled] Active Frequency Mode [Disabled] Enable this item to enhance the power saving condition. Configuration options: [Disabled] [Enabled] Do not remove the thermal module when manual mode is selected. The thermal conditions should be monitored. 3-20 Chapter 3: BIOS setup