Asus P8B75-M LX P8B75-M LX User's Manual - Page 61

PCH Configuration

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Execute Disable Bit [Enabled] [Enabled] Enables the No-Execution Page Protection Technology. [Disabled] Forces the XD feature flag to always return to zero (0). Intel® Virtualization Technology [Disabled] [Enabled] Allows a hardware platform to run multiple operating systems separately and simultaneously, enabling one system to virtually function as several systems. [Disabled] Disables this function. Hardware Prefetcher [Enabled] [Enabled] Allows a hardware platform to run multiple operating systems separately and simultaneously, enabling one system to virtually function as several systems. [Disabled] Disables this function. Adjacent Cache Line Prefetch [Enabled] [Enabled] Allows a hardware platform to perform adjacent cache line prefetching. [Disabled] Disables this function. CPU Power Management Configuration CPU Ratio [Auto] Allows you to set the ratio between the CPU Core Clock and the BCLK Frequency. Use and keys to adjust the ratio. The valid value ranges vary according to your CPU model. Enhanced Intel SpeedStep Technology [Enabled] Allows you to enable or disable the Enhanced Intel® SpeedStep Technology (EIST). [Disabled] The CPU runs at its default speed. [Enabled] The operating system controls the CPU speed. Turbo Mode [Enabled] This item allows you to enable or disable the Intel® Turbo Mode Technology. [Enabled] Allows processor cores to run faster than marked frequency in specific condition. [Disabled] Disables this function. CPU C1E [Auto] Enables or disables the C1E support function. This item should be enabled in order to enable the Enhanced Halt State. Configuration options: [Auto] [Enabled] [Disabled] CPU C3 Report [Auto] Allows you to disable or enable the CPU C3 report to OS. Configuration options: [Auto] [Enabled] [Disabled] CPU C6 Report [Auto] Allows you to disable or enable the CPU C6 report to OS. Configuration options: [Auto] [Enabled] [Disabled] 2.5.2 PCH Configuration High Precision Timer [Enabled] Allows you to enable or disable the High Precision Event Timer. Configuration options: [Enabled] [Disabled] ASUS P8B75-M LX 2-17

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2-17
ASUS P8B75-M LX
Execute Disable Bit [Enabled]
[Enabled]
Enables the No-Execution Page Protection Technology.
[Disabled]
Forces the XD feature flag to always return to zero (0).
Intel
®
Virtualization Technology [Disabled]
[Enabled]
Allows a hardware platform to run multiple operating systems separately
and simultaneously, enabling one system to virtually function as several
systems.
[Disabled]
Disables this function.
Hardware Prefetcher [Enabled]
[Enabled]
Allows a hardware platform to run multiple operating systems separately
and simultaneously, enabling one system to virtually function as several
systems.
[Disabled]
Disables this function.
Adjacent Cache Line Prefetch [Enabled]
[Enabled]
Allows a hardware platform to perform adjacent cache line prefetching.
[Disabled]
Disables this function.
CPU Power Management Configuration
CPU Ratio [Auto]
Allows you to set the ratio between the CPU Core Clock and the BCLK Frequency. Use <+> and
<-> keys to adjust the ratio. The valid value ranges vary according to your CPU model.
Enhanced Intel SpeedStep Technology [Enabled]
Allows you to enable or disable the Enhanced Intel
®
SpeedStep Technology (EIST).
[Disabled]
The CPU runs at its default speed.
[Enabled]
The operating system controls the CPU speed.
Turbo Mode [Enabled]
This item allows you to enable or disable the Intel
®
Turbo Mode Technology.
[Enabled]
Allows processor cores to run faster than marked frequency in specific condition.
[Disabled]
Disables this function.
CPU C1E [Auto]
Enables or disables the C1E support function. This item should be enabled in order to enable the
Enhanced Halt State. Configuration options: [Auto] [Enabled] [Disabled]
CPU C3 Report [Auto]
Allows you to disable or enable the CPU C3 report to OS. Configuration options: [Auto] [Enabled]
[Disabled]
CPU C6 Report [Auto]
Allows you to disable or enable the CPU C6 report to OS. Configuration options: [Auto] [Enabled]
[Disabled]
2.5.2
PCH Configuration
High Precision Timer [Enabled]
Allows you to enable or disable the High Precision Event Timer.
Configuration options: [Enabled] [Disabled]