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CPU Level Up [Auto]
Allows you to select a CPU level, and the related parameters will be automatically adjusted according to the selected CPU level.
The CPU level values depends on the CPU installed in your system.
EPU Power Saving Mode [Disabled]
Allows you to enable or disable the EPU power saving function.
Configuration options: [Disabled] [Enabled]
DRAM Timing Control
The subitems in this menu allow you to set the DRAM timing control features. Use the  and  keys to adjust the value. To restore the default setting, type [auto] using the keyboard and press the  key.
Primary Timings
DRAM CAS# Latency [Auto]
Configuration options: [Auto] [1] – [31]
DRAM RAS# to CAS# Delay [Auto]
Configuration options: [Auto] [1] – [31]
DRAM RAS# PRE Time [Auto]
Configuration options: [Auto] [1] – [31]
DRAM RAS# ACT Time [Auto]
Configuration options: [Auto] [1] – [63]
DRAM COMMAND Rate [Auto]
Configuration options: [Auto] [1] – [2]
Secondary Timings
DRAM RAS# to RAS# Delay [Auto]
Configuration options: [Auto] [1] – [15]
DRAM REF Cycle Time [Auto]
Configuration options: [Auto] [1] – [511]
DRAM Refresh Interval [Auto]
Configuration options: [Auto] [1] – [65535]
DRAM WRITE Recovery Time [Auto]
Configuration options: [Auto] [1] – [16]
DRAM READ to PRE Time [Auto]
Configuration options: [Auto] [1] – [15]
DRAM FOUR ACT WIN Time [Auto]
Configuration options: [Auto] [1] – [255]
DRAM WRITE to READ Delay [Auto]
Configuration options: [Auto] [1] – [15]
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DRAM CKE Minimum pulse Width [Auto]
Configuration options: [Auto] [1] – [15]
DRAM CAS# Write Latency [Auto]
Configuration options: [Auto] [1] – [31]
RTL IOL control
DRAM RTL Initial Value [Auto]Configuration options: [Auto] [1] - [63]
DRAM RTL\(CHA_R0D0\) [Auto]Configuration options: [Auto] [1] - [63]
DRAM RTL\(CHA_R0D1\) [Auto]Configuration options: [Auto] [1] - [63]
DRAM RTL\(CHA_R1D0\) [Auto]Configuration options: [Auto] [1] - [63]
DRAM RTL\(CHA_R1D1\) [Auto]Configuration options: [Auto] [1] - [63]
DRAM RTL\(CHB_R0D0\) [Auto]Configuration options: [Auto] [1] - [63]
DRAM RTL\(CHB_R0D1\) [Auto]Configuration options: [Auto] [1] - [63]
DRAM RTL\(CHB_R1D0\) [Auto]Configuration options: [Auto] [1] - [63] 
DRAM RTL\(CHB_R1D1\) [Auto]Configuration options: [Auto] [1] - [63]
DRAM IO-L\(CHA_R0D0\) [Auto]Configuration options: [Auto] [1] - [15]
DRAM IO-L\(CHA_R0D1\) [Auto]Configuration options: [Auto] [1] - [15]
DRAM IO-L\(CHA_R1D0\) [Auto]Configuration options: [Auto] [1] - [15]
DRAM IO-L\(CHA_R1D1\) [Auto]Configuration options: [Auto] [1] - [15]
DRAM IO-L\(CHB_R0D0\) [Auto]Configuration options: [Auto] [1] - [15]
DRAM IO-L\(CHB_R0D1\) [Auto]Configuration options: [Auto] [1] - [15]
DRAM IO-L\(CHB_R1D0\) [Auto]Configuration options: [Auto] [1] - [15]
DRAM IO-L\(CHB_R1D1\) [Auto]Configuration options: [Auto] [1] - [15]
Third Timings
tRDRD [Auto]
Configuration options: [Auto] [1] - [7]
tRDRD_dr [Auto]
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Configuration options: [Auto] [1] - [15]
tRDRD_dd [Auto]
Configuration options: [Auto] [1] - [15]
tWRRD [Auto]
Configuration options: [Auto] [1] - [63]
tWRRD_dr [Auto]
Configuration options: [Auto] [1] - [15]
tWRRD_dd [Auto]
Configuration options: [Auto] [1] - [15]
tWRWR [Auto]
Configuration options: [Auto] [1] - [7]
tWRWR_dr [Auto]
Configuration options: [Auto] [1] - [15]
tWRWR_dd [Auto]
Configuration options: [Auto] [1] - [15]
Dec_WRD [Auto]
Configuration options: [Auto] [0] [1]
tRDWR [Auto]
Configuration options: [Auto] [1] – [31]
tRDWR_dr [Auto]
Configuration options: [Auto] [1] – [31]
tRDWR_dd [Auto]
Configuration options: [Auto] [1] – [31]
Misc.
MRC Fast Boot [Auto]
Allows you to enable, disable or automatically set the MRC fast boot.
Configuration options: [Auto] [Enabled] [Disabled]
DRAM CLK Period [Auto]
Configuration options: [Auto] [1] – [14]
Channel A
Allows you to enable or disable the Channel A DIMM slots with the following configuration options: [Enable Both DIMMS] [Disable DIMM0] [Disable DIMM1] [Disable Both DIMMS]
Channel B DIMM Control [Enable Both DIMMS]
Allows you to enable or disable the Channel B DIMM slots with the following configuration options: [Enable Both DIMMS] [Disable DIMM0] [Disable DIMM1] [Disable Both DIMMS]
Scramble Setting [Optimized \(ASUS\)]
Set this item to [Optimized (ASUS)] to enhance system stability.
Configuration options: [Optimized (ASUS)] [Default (MRC)]
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MCH Full Check [Auto]
Enable this item to enhance the stability of your system. Disable this item to enhance the DRAM overclocking capability. Configuration options: [Auto] [Enabled] [Disabled]
DQ Sense Amplifier [Auto]
Reducing usually helps overclocking and over-voltage. 
Configuration options: [Auto] [+16] – [-29]
DQS Sense Amplifier [Auto]
Reducing usually helps overclocking and over-voltage. Configuration options: [Auto] [+16] – [-29]
CMD Sense Amplifier [Auto]
Reducing usually helps overclocking and over-voltage. Configuration options: [Auto] [+16] – [-29]
DRAM Additional Training [Auto]
Reducing usually helps overclocking and over-voltage. Configuration options: [Auto] [Enabled] [Disabled]
Skew Control
Transmitter Rising Slope [Auto]
Configuration options: [Auto]
Transmitter Falling Slope [Auto]
Configuration options: [Auto]
Transmitter Control Time [Auto]
Configuration options: [Auto]
Receiver Rising Slope [Auto]
Configuration options: [Auto]
Receiver Falling Slope [Auto]
Configuration options: [Auto]
Receiver Control Time [Auto]
Configuration options: [Auto]
GPU.DIMM Post
Automatically detects and displays the information about the devices or memory installed on the PCIe and DIMM slots. The field shows N/A if there are no devices installed on the slots.
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External DIGI+ Power Control
CPU Load-line Calibration [Auto]
Load-line is defined by Intel® specification and affects CPU power voltage. The CPU working voltage decreases proportionally to CPU loading. Higher load-line calibration could get higher voltage and good overclocking performance, but increases the CPU and VRM thermal conditions. Select from levels 1 to 9 to adjust the CPU power voltage from 0% to 125%.
Configuration options [Auto] [Level 1] - [Level 9]
The actual performance boost may vary depending on your CPU specification.
DO NOT remove the thermal module. The thermal conditions should be monitored.
CPU VRM Switching Frequency [Auto]
This item affects the VRM transient response speed and the component thermal production. 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].
Fixed CPU VRM Switching Frequency \(KHz\) [300]This item allows you to set a higher frequency for a quicker transient response speed. Use the  or  to adjust the value. The values range from 300 KHz to 500 KHz with an interval of 50 KHz.
Do not remove the thermal module when the manual mode is selected. The thermal conditions should be monitored.
The following item appears only when the CPU VRM Switching Frequency is set to [Auto].
VRM Spread Spectrum [Disabled]
This item allows to enhance the system stability. Configuration options: [Disabled] [Enabled]
CPU Power Phase Control [Auto]
This item allows you to set the power phase control of the CPU.
Configuration options: [Auto] [Standard] [Optimized] [Extreme] 
DO NOT remove the thermal module when setting this item to [Power Phase Response]. The thermal conditions should be monitored.
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CPU Power Duty Control [T.Probe]
DIGI + VRM Duty Control adjusts the current of every VRM phase and the thermal conditions of every phase component. 
[T. Probe] Select to set the VRM thermal balance mode.
[Extreme] Select to set the VRM current balance mode.
DO NOT remove the thermal module. The thermal conditions should be monitored.
CPU Current Capability [Auto]
This item provides a total power range for CPU overclocking. A higher value setting provides higher power consumption delivery and extends the overclocking frequency range simultaneously.
Configuration options: [Auto] [100%] [110%] [120%] [130%] [140%]
CPU Input Boot Voltage [Auto]
VCCIN for the CPU right at boot. Configuration options: [Auto] [0.800] – [2.440V]
T
The subitems in this menu allow you to set the CPU ratio and features.
BCLK Tuning
VCCIN Shadow Voltage [Auto]
Pseudo Voltage for VCCIN. Configuration options: [Auto]  [0.800] – [2.440V]
Termination Anti-Aliasing [Auto]
Termination Anti-Aliasing can be enabled to smooth out the change of the PLL Termination Voltage, which may sometimes help to yield a better O.C. result. Configuration options: [Auto] [Disabled] [Enabled]
Initial PLL Termination Voltage [Auto]
Initial Voltage at which CPU BCLKs are terminated. Maintaining a level close to CPU Input Voltage will help BCLK Overclock.
Configuration options: [Auto] [0.0000] - [3.0000]
PLL Termination Reset Voltage [Auto]
PLL Termination Reset Voltage. Configuration options: [Auto] [0.0000] - [3.0000]
Eventual PLL Termination Voltage [Auto]
Eventual PLL Termination Voltage. Configuration options: [Auto] [0.0000] - [3.0000]
PCH ICC Voltage [Auto]
Power Supply for the Integrated Clock Controller. Lower may be better.
Clock Crossing Boot Voltage [Auto]
The instantaneous voltage value when the rising edge of BCLK DN is equal to the falling edge of the BCLK DP. 
Clock Crossing Reset Voltage [Auto]
The instantaneous voltage value when the rising edge of BCLK DN is equal to the falling edge of the BCLK DP.
Clock Crossing Voltage [Auto]
The instantaneous voltage value when the rising edge of BCLK DN is equal to the falling edge of the BCLK DP. 
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Internal CPU Power Management
The subitems in this menu allow you to set the CPU ratio and features.
Enhanced Intel SpeedStep Technology [Enabled]
Allows the operating system to dynamically adjust the processor voltage and cores frequency to decrease the average power consumption and decrease average heat production. Configuration options: [Enabled] [Disabled]
Turbo Mode [Enabled]
Allows you to enable your processor cores to run faster than the base operating frequency when it is below power, current and specification limit. Configuration options: [Disabled] [Enabled]
The following items appear only when you set the Turbo Mode to [Enabled].
Turbo Mode ParametersLong Duration Package Power Limit [Auto]Allows you to limit the Turbo Ratio’s time duration that exceeds the TDP (Thermal Design Power) for maximum performance. Use the  and  keys to adjust the value. The values range from 1W to 4096W.
Package Power Time Window [Auto]Also known as Power Limit 1, and allows you to maintain the time window for Turbo Ratio over TDP (Thermal Design Power). Use the  and  keys to adjust the value. The values range from 1 second to 127 seconds.
Short Duration Package Power Limit [Auto]Also known as Power Limit 2, and allows you to provide rapid protection when the package power exceeds the Power Limit 1. Use the  and  keys to adjust the value. The values range from 1W to 4096W.
CPU Integrated VR Current Limit [Auto]Allows you to set a higher current limit to prevent frequency and power throttling when overclocking. Use the  and  keys to adjust the value. The values range from 0.125 to 1023.875 with a 0.125 interval.
CPU Internal Power Switching FrequencyFrequency Tuning Mode [Auto]Allows you to increase or decrease the switching frequency of the internal regulator. Decrease to help consume less power or increase to help voltage stability. When this item is set to [+] or [-], the Frequency Tuning Offset appears and allows you to set its value from 0% to 6%.
CPU Internal Power Fault ControlThermal Feedback [Auto]Allows the CPU to take precautionary actions when the thermal conditions of the external regulator exceeds the threshold.
Configuration options: [Auto] [Disabled] [Enabled]
CPU Integrated VR Fault Management [Auto]Allows you to prevent tripping the Fully Integrated Voltage Regulator when doing over-voltage. Configuration options: [Auto] [Disabled] [Enabled]
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We recommend to set this item to [Disable] when overclocking. 
CPU Internal Power ConfigurationCPU Integrated VR Efficiency Management [Auto]Allows you to improve power saving when the processor is in low power state. Disable this item to make the Fully Integrated Voltage Regulator work in high performance at all times.
Configuration options: [Auto] [High Performance] [Balanced]
Power Decay Mode [Auto]Allows you to enable this item to improve the power saving on the Fully Integrated Voltage Regulator as the processor goes into low current state.
Configuration options: [Auto] [Disabled] [Enabled]
Idle Power-in Response [Auto]Allows you to set the slew rate for the Fully Integrated Voltage Regulator as it enters manual override mode.
Configuration options: [Auto] [Regular] [Fast]
Idle Power-out Response [Auto]Allows you to set the slew rate for the Fully Integrated Voltage Regulator as it exits manual override mode.
Configuration options: [Auto] [Regular] [Fast]
Power Current Slope [Auto]Allows you to adjust the gradient of the high-speed active phase current balance during load transients to eliminate current imbalance, resulting from a load current oscillating near the switching frequency.
Configuration options: [Auto] [LEVEL -4] - [LEVEL 4]
Power Current Offset [Auto]Allows you to increase or decrease the output current sensed by the CPU. It finds the balance between optimal regulating while staying below the current threshold.
Configuration options: [Auto] [100%] [87.5%] [75.0%] [62.5%] [50.0%] [37.5%] [25.0%] [12.5%] [0%] [-12.5%] [-25.0%] [-37.5%] [-50.0%] [-62.5%] [-75.0%] [-87.5%] [-100%]
Power Fast Ramp Response [Auto]Allows you to increase to enhance the response of the voltage regulator during the load transient. Configuration options: [Auto] [0.00] - [1.50]
CPU Internal Power Saving ControlPower Saving Level 1 Threshold [Auto]Lower value provides sufficient overclocking tolerance to enlarge the overclocking potential. Higher value provides better power-saving condition. Use  or  key to adjust the value. The values range from 0A to 80A at 1Amp increment.
Power Saving Level 2 Threshold [Auto]Lower value provides sufficient overclocking tolerance to enlarge the overclocking potential. Higher value provides better power-saving condition. Use  or  key to adjust the value. The values range from 0A to 50A at 1Amp increment.
Power Saving Level 3 Threshold [Auto]Lower value provides sufficient overclocking tolerance to enlarge the overclocking potential. Higher value provides better power-saving condition. Use  or  key to adjust the value. The values range from 0A to 30A at 1Amp increment.
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CPU Core Voltage [Auto]
Configures the amount of Voltage fed to the cores of the processor. Increase when increasing Core Frequency. Use  or  key to adjust the value. The values range from 1.050000V to 2.200000V at 0.003125V increment. Configuration options: [Auto]  [Manual Mode] [Offset Mode]
Appear only when you set the CPU Core Voltage to [Manual Mode].
CPU Core Voltage Override [Auto]
Allows you to configure the CPU Core voltage. 
The following items appear only when you set the CPU Core Voltage to [Offset Mode].
Offset Mode Sign [+]
[+] To offset the voltage by a positive value.
[–] To offset the voltage by a negative value.
CPU Core Voltage Offset [Auto]This item allows you to configure the CPU core voltage offset value.
CPU Cache Voltage [Auto]
Use or  key to adjust the value. The values range from 0.001V to 1.920V at 0.001V increment. Configuration options: [Auto] [Manual Mode] [Offset Mode] 
Appear only when you set the CPU Cache Voltage to [Manual Mode].
CPU Cache Voltage Override [Auto]
This item allows you to configure the amount of voltage fed to the CPU uncores including its cache. 
The following items appear only when you set the CPU Core Voltage to [Offset Mode].
Offset Mode Sign [+]
[+] To offset the voltage by a positive value.
[–] To offset the voltage by a negative value.
CPU Cache Voltage Offset [Auto]This item allows you to configure the CPU cache voltage offset value.
CPU Graphics Voltage [Auto]
Configures the amount of Voltage fed to the onboard graphics unit on the processor. Increase when increasing IGPU Frequency. Configuration options: [Auto] [Manual Mode] [Offset Mode [Adaptive Mode]
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Appear only when you set the CPU Graphics Voltage to [Manual Mode].
CPU Graphics Voltage Override [Auto]
This item allows you to configure the amount of voltage fed to the CPU uncores including its cache. 
The following items appear only when you set the CPU Graphics Voltage to [Offset Mode].
Offset Mode Sign [+]
[+] To offset the voltage by a positive value.
[–] To offset the voltage by a negative value.
CPU Graphics Voltage Offset [Auto]This item allows you to configure the CPU Graphics voltage offset value.
The following item appears only when you set the CPU Core Voltage to [Adaptive Mode].
Offset Mode Sign [+]
[+] To offset the voltage by a positive value.
[–] To offset the voltage by a negative value.
CPU Graphics Voltage Offset [Auto]This item allows you to configure the CPU graphics voltage offset value.
Additional Turbo Mode CPU Core Voltage [Auto]
This item allows you to set the amount of voltage fed to the CPU cores when running in turbo mode. Increase the voltage when configuring a high CPU core frequency. The voltage you set is affected by the offset value. Use the  or  keys to adjust the value. The values range from 0.001V to 1.920 V with a 0.001 V interval.
CPU System Agent Voltage Offset Mode Sign [+]
[+]  To offset the voltage by a positive value.
[–] To offset the voltage by a negative value.
CPU System Agent Voltage Offset [Auto]
This item allows you to set the amount of voltage fed to the system agent of the CPU including its PCIE controller and the PCU (power control unit). Increase the voltage to enhance the overclocking capability. 
You can use the  or  keys to adjust the value. The values range from 0.001 V to 0.999 V with a 0.001 V interval.
Chapter 3: BIOS setup 
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