Asus P5PE-VM - Manual (Page 59)

ASUS P5PE-VM 2-17
Max CPUID Value Limit [Disabled]
Enable this item to boot legacy operating systems that cannot support
CPUs with extended CPUID functions.
Configuration options: [Disabled] [Enabled]
Execute Disable Function [Disabled]
Allows you to Enable/disable Execute Disable Function.
Configuration options: [Disabled] [Enabled]
Enhanced C1 Control [Auto]
When set to [Auto], the BIOS will automatically check the CPU’s capability
to enable the C1E support. In C1E mode, the CPU power consumption is
lower when idle. Configuration options: [Auto] [Disabled]
Hardware Prefetcher [Enabled]
Allows you to enable/disable the Hardware Prefetcher feature.
Configuration options: [Disabled] [Enabled]
Ajacent Cache Line Prefetch [Enabled]
Allows you to enable/disable the Ajacent Cache Line Prefetch function.
Configuration options: [Disabled] [Enabled]
CPU Internal Thermal Control [Auto]
Disables or sets the CPU internal thermal control.
Configuration options: [Disabled] [Auto]
Hyper-Threading Technology [Enabled]
Allows you to enable or disable the processor Hyper-Threading Technology.
Configuration options: [Disabled] [Enabled]
The following item appears only when you installed an Intel ® Pentium ® 4
CPU that supports the Enhanced Intel SpeedStep ® Technology (EIST).
Intel(R) SpeedStep Technology [Disabled]
Allows you to use the Enhanced Intel ® SpeedStep ® Technology. When set
to [Automatic], you can adjust the system power settings in the operating
system to use the EIST feature. Set this item to [Disabled] if you do not
want to use the EIST. Configuration options: [Automatic] [Disabled]