Asus Maximus Hero VII Manual

							3-21
CPU Analog I/O Voltage Offset Mode Sign [+]
[+] To offset the voltage by a positive value.
[–] To offset the voltage by a negative value.
CPU Analog I/O Voltage Offset [Auto]
This item allows you to set the amount of voltage fed to the analog portion of the I/O on the CPU. By default, this item takes the standard value of the installed CPU. Increase the amount of 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.
CPU Digital I/O Voltage Offset Mode Sign [+]
[+] To offset the voltage by a positive value.
[–] To offset the voltage by a negative value.
CPU Digital I/O Voltage Offset [Auto]
This item allows you to set the amount of voltage fed to the digital portion of the I/O on the processor. By default, this item takes the standard value of the installed CPU. Increase the amount of 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.
SVID Support [Auto]
Set this item to [Enabled] when overclocking your system. Disabling this item stops the CPU from communicating with the external voltage regulator.
Configuration options: [Auto] [Disabled] [Enabled]
The following items appear when SVID Support is set to [Auto] or [Disabled].
Initial CPU Input Voltage [Auto]
This is the VCCIN for the CPU during initial part of POST. Use the  or  keys to adjust the value. The values range from 0.800 V to 2.440 V with a 0.010 V interval.
Eventual CPU Input Voltage [Auto]
This is the VCCIN for the CPU just before the CPU loads. Use the  or  keys to adjust the value. The values range from 0.800 V to 2.440 V with a 0.010 V interval.
DRAM Voltage [Auto]
This item allows you to set the DRAM voltage. You can use the  or  keys to adjust the value. The values range from 1.20 V to 1.92 V with a 0.005 V interval.
According to Intel® CPU specifications, DIMMs with voltage requirement over 1.65 V may damage the CPU permanently. We recommend that you install the DIMMs with the voltage requirement below 1.65 V.
ASUS MAXIMUS VII HERO  
Chapter 3  
						

							3-22
PCH Core Voltage [Auto]
This item allows you to set the Core voltage for the PCH (Platform Controller Hub). You can use the  or  keys to adjust the value. The values range from 0.70 V to 1.80 V with a 0.0125 V interval.
•  The values of the CPU PLL Voltage, CPU Manual Voltage, CPU Offset Voltage, iGPU Manual Voltage, iGPU Offset Voltage, DRAM Voltage, VCCSA Voltage, VCCIO Voltage, and PCH Voltage items are labeled in different color, indicating the risk levels of high voltage settings.
•  The system may need better cooling system for a more stable performance under high voltage settings.
PCH VLX Voltage [Auto]
This item allows you to set the I/O voltage on the PCH (Platform Controller Hub). You can use the  or  keys to adjust the value. The values range from 1.2000 V to 2.0000 V with a 0.0125 V interval.
VTTDDR Voltage [Auto]
This item allows you to set the termination voltage for the system memory. You can use the  or  keys to adjust the value. The values range from 0.6000 V to 1.0000 V with a 0.0125 V interval.
DRAM CTRL REF Voltage [Auto]
This item allows you to set the DRAM reference voltage on the control lines from the memory bus. You can use the  or  keys to adjust the value. The values range from 0.39500x to 0.63000x with a 0.00500x interval.
To set a value for the DRAM reference voltage, we recommend you to set a value close to the standard value which is 0.500000x.
DRAM DATA
This item allows you to set the DRAM reference voltage on the data lines on Channels A and B. You can use the  or  keys to adjust the value. The values range from 0.39500x to 0.63000x with a 0.00500x interval.
To set a value for the DRAM reference voltage, we recommend you to set a value close to the standard value which is 0.500000x.
CPU Spread Spectrum [Auto]
This item allows you to enhance the BCLK overclocking capability or reduce the EMI (electromagnetic disturbance) generated by the BCLK. Set this item to [Enabled] for EMI reduction, or set this item to [Disabled] to enhance BCLK overclocking.
Configuration options: [Auto] [Disabled] [Enabled]
BCLK Recovery [Enabled]
This item allows you to enable the BCLK Recovery feature. 
Configuration options: [Disabled] [Enabled] [Ignore]
Chapter 3: BIOS setup 
Chapter 3  
						

							3-23
3.5 Main menu
The Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu provides you an overview of the basic system information, and allows you to set the system date, time, language, and security settings.
ASUS MAXIMUS VII HERO  
Chapter 3  
						

							3-24
Security
The Security menu items allow you to change the system security settings.
•  If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the BIOS password. See section 1.2.6 Onboard buttons and switches for information on how to erase the RTC RAM via the Clear CMOS button.
•  The Administrator or User Password items on top of the screen show the default [Not Installed]. After you set a password, these items show [Installed].
Chapter 3: BIOS setup 
Chapter 3  
						

							3-25
Administrator Password
If you have set an administrator password, we recommend that you enter the administrator password for accessing the system. Otherwise, you might be able to see or change only selected fields in the BIOS setup program.
To set an administrator password:
1. Select the Administrator Password item and press .
2. From the Create New Password box, key in a password, then press .
3. Confirm the password when prompted.
To change an administrator password:
1. Select the Administrator Password item and press .
2. From the Enter Current Password box, key in the current password, then press .
3. From the Create New Password box, key in a new password, then press .
4. Confirm the password when prompted.
To clear the administrator password, follow the same steps as in changing an administrator password, but press  when prompted to create/confirm the password. After you clear the password, the Administrator Password item on top of the screen shows Not Installed.
User Password
If you have set a user password, you must enter the user password for accessing the system. The User Password item on top of the screen shows the default Not Installed. After you set a password, this item shows Installed.
To set a user password:
1. Select the User Password item and press .
2. From the Create New Password box, key in a password, then press .
3. Confirm the password when prompted.
To change a user password:
1. Select the User Password item and press .
2. From the Enter Current Password box, key in the current password, then press .
3. From the Create New Password box, key in a new password, then press .
4. Confirm the password when prompted.
To clear the user password, follow the same steps as in changing a user password, but press  when prompted to create/confirm the password. After you clear the password, the User Password item on top of the screen shows Not Installed.
ASUS MAXIMUS VII HERO  
Chapter 3  
						

							3-26
3.6 Advanced menu
The Advanced menu items allow you to change the settings for the CPU and other system devices.
Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction.
Chapter 3: BIOS setup 
Chapter 3  
						

							3-27
3.6.1 CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically detects.
The items in this menu may vary based on the CPU installed.
Intel Adaptive Thermal Monitor [Enabled]
This item allows you to protect the CPU by decreasing its frequency as it reaches the thermal throttle point. The thermal monitor includes TM1 (Thermal monitor 1), TM2 (Thermal monitor 2), and EMTTM (Enhanced Multi-threaded Thermal Monitoring).
Configuration options: [Disabled] [Enabled]
Active Processor Cores [All]
This item allows you to select the number of CPU cores to activate in each processor package.
Configuration options: [All] [1] [2] [3]
Limit CPUID Maximum [Disabled]
When set to [Enabled], this item allows the legacy OS to boot even without support for CPUs with extended CPUID functions. 
Configuration options: [Disabled] [Enabled]
ASUS MAXIMUS VII HERO  
Chapter 3  
						

							3-28
Execute Disable Bit [Enabled]
Execute Disable prevents certain classes of malicious buffer overflow attacks when combined  with a supporting OS (SuSE Linux 9.2, RedHat Enterprise 3 Update 3).
Configuration options: [Disabled] [Enabled]
Intel Virtualization Technology [Disabled]
When set to [Enabled], a VMM can utilize the additional hardware capabilities provided by Vanderpool Technology.
Configuration options: [Disabled] [Enabled]
Hardware Prefetcher\(L2 Cache\) [Enabled]
This item allows the CPU to prefetch commands and data in the L2 cache, reduces the DRAM loading time and improves the system performance. 
Configuration options: [Disabled] [Enabled] 
Adjacent Cache Line Prefetcher [Enabled]
This item allows the mid level cache (L2) to prefetch adjacent cache lines, reducing the DRAM loading time and improves the system performance. 
Configuration options: [Disabled] [Enabled] 
Boot Performance Mode [Max Non-Turbo Performance]
This item allows you to select the CPU performance state during system boot before the operating system takes control. The CPU runs at a selected performance ratio based on CPU configuration.
Configuration options: [Max Non-Turbo Performance] [Max Battery] [Turbo Performance]
Dynamic Storage Accelerator [Disabled]
This item allows you to accelerate the performance of the SSDs (Solid-State Drives) by dynamically adjusting the power management during heavy multitasking.
Configuration options: [Enabled] [Disabled]
CPU Power Management Configuration
This item allows you to manage and configure the CPU’s power.
Enhanced Intel SpeedStep Technology [Enabled]
This item allows your system to adjust the CPU’s voltage and cores frequency, resulting in decreased power consumption and heat production.
[Disabled] The CPU runs at its default speed.
[Enabled] The system controls the CPU speed.
Turbo Mode [Enabled]
This item allows you to automatically set the CPU cores to run faster than the base operating frequency when it is below the operating power, current and temperature specification limit.
Configuration options: [Enabled] [Disabled] CPU states [Auto]
Chapter 3: BIOS setup 
Chapter 3  
						

							3-29
CPU C-States [Auto]
This item allows you to set the power saving of the CPU states.
Configuration options: [Auto] [Disabled] [Enabled]
The following items appear only when you set the CPU states to [Enabled].
Enhanced C1 State [Enabled]This item allows your CPU to reduce power consumption when the system is in idle mode.
Configuration options: [Enabled] [Disabled]
CPU C3 Report [Enabled]This item allows you to disable or enable the CPU C3 report to the operating system.
Configuration options: [Enabled] [Disabled]
CPU C6 Report [Enabled]This item allows you to disable or enable the CPU C6 report to the operating system.
Configuration options: [Enabled] [Disabled]
 C6 Latency [Short]      This item allows you to set the duration of C6 latency for C6 state.
 Configuration options: [Short] [Long]
CPU C7 Report [CPU C7s]This item allows you to disable or enable the CPU C7 report to the operating system.
Configuration options: [Disabled] [CPU C7] [CPU C7s]
  C7 Latency [Long] This item allows you to set the duration of C7 latency for C7 state.
 Configuration options: [Short] [Long]
Package C-States Support [Auto]This item allows you to set the a C-state support for the CPU package. Configuration options: [Auto] [Enabled] [C0/C1] [C2] [C3] [C6] [CPU C7] [CPU C7s]
ASUS MAXIMUS VII HERO  
Chapter 3  
						

							3-30
3.6.2 PCH Configuration
PCI Express Configuration
This item allows you to configure the PCI Express slots. 
PCI-E Speed [Auto]
This item allows your system to automatically select the PCI Express port speed. When set to [Gen1], the PCI-E port runs at PCI-E 1.0 speed. When set to [Gen2], the PCI-E port runs at PCI-E 2.0 speed.
Configuration options: [Auto] [Gen1] [Gen2]
Intel Rapid Start Technology [Disabled]
This item allows you to enable or disable Intel® Rapid Start Technology.
Configuration options: [Enabled] [Disabled]
The following items appear only when you set the Intel® Rapid Start Technology to [Enabled].
Entry on S3 RTC Wake [Enabled]
The system automatically wakes up and set to Rapid Start Technology S3 mode.
Configuration options: [Enabled] [Disabled]
Entry After [0]This item only appears when Entry on S3 RTC Wake is set to [Enabled]. This allows you to set the RTC wake-up timer at S3 entry. The time ranges from 0 minute (immediately) to 120 minutes.
Active Page Threshold Support [Enabled]
The system automatically goes into sleep mode when the partition size is not enough for the Intel® Rapid Start Technology to work.
Configuration options: [Enabled] [Disabled]
Active Memory Threshold [0]This item only appears when Active Page Threshold Support is set to [Enabled]. This item supports Intel Rapid Storage Technology when the partition size is greater than the Active Page Threshold size. When set to zero (0), it will go to Auto mode and checks if the partition size is enough at S3 entry.
Chapter 3: BIOS setup 
Chapter 3