Chapter 3, Digi+ vrm – Asus P8Z77-M PRO User Manual
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Chapter 3: BIOS setup
Chapter 3
Long Duration Power Limit [Auto]
Allows you to limit the turbo ratio’s long duration power.
Use the <+> and <-> keys to adjust the value.
Long Duration Maintained [Auto]
Allows you to maintain the turbo ratio’s long duration power.
Use the <+> and <-> keys to adjust the value.
Short Duration Power Limit [Auto]
Allows you to limit the turbo ratio’s long duration power.
Use the <+> and <-> keys to adjust the value.
Primary Plane Current Limit [Auto]
Maximum instantaneous current allowed at any given time for CPU cores
Use <+> and <-> key to adjust the value at 0.125A increment. .
Secondary Plane Current Limit [Auto]
Maximum instantaneous current allowed at any given time for Internal Graphics cores.
Use <+> and <-> key to adjust the value at 0.125A increment.
DIGI+ VRM
CPU Load-Line Calibration [Auto]
Load-line is defined by Intel VRM spec and affects CPU voltage. The CPU working
voltage will decrease proportionally to CPU loading. Higher value gets a higher voltage
and better overclocking performance, but increases 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 Voltage Frequency [Auto]
Frequency switching affects the VRM transient response, and the thermal component.
Higher frequency gets quicker transient response.
Configuration options: [Auto] [Manual]
DO NOT remove the thermal module when switching to Manual Mode. The thermal
conditions should be monitored.
The following items appears only when you set the CPU Voltage Frequency to [Manual].
CPU Fixed Frequency [300]
Switching Frequency will affects the VRM transient response and component thermal.
Higher frequency gets quicker transient response.The values range from 200kHz to
400kHz with a 10kHz interval
VRM Spread Spectrum [Disabled]
This item appears only when you set the Frequency item to [Auto] and allows you to
enable the spread spectrum to enhance system stability.