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Chapter 4: BIOS setup
C1E Support [Enabled]
Allows you to enable or disable Inter CPU Enhanced Halt (C1E) function, a CPU
power-saving function in system halt state. When enable, the CPU core frequency
and voltage will be reduced during the system halt state to decrease power
consumption. Configuration options: [Disabled] [Enabled]
Hardware Prefetcher [Enabled]
Allows you to enable or disable the L2 cache (MLC) Streamer Prefetcher for
performance tuning of a specific application.
Configuration options: [Disabled] [Enabled]
Adjacent Cache Line Prefetch [Enabled]
Allows you to enable or disable the L2 cache (MLC) Spatial Prefetcher for
performance tuning of a specific application.
Configuration options: [Disabled] [Enabled]
Max CPUID Value Limit [Disabled]
Allows you to determine whether to limit CPUID maximum value. Set this item to
[Disabled] for Windows XP operating system. Set this item to [Enabled] for legacy
operating system such as Windows NT4.0. (Default: Disabled)
Configuration options: [Disabled] [Enabled]
Intel(R) Virtualization Tech [Enabled]
Enables or disables Intel® Virtualization Technology. Virtualization enhanced by
Intel® Virtualization Technology allows a platform to run multiple operating systems
and applications in independent partitions. With Virtualization, one computer
system can function as multiple virtual systems. Configuration options: [Enabled]
[Disabled]
CPU TM Function [Enabled]
Enables or disables Intel
®
CPU Thermal Monitor (TM) function, a CPU overheating
protection function. When enabled, the CPU core frequency and voltage are
reduced when the CPU overheats. Configuration options: [Disabled] [Enabled]
Ratio CMOS Setting [20.0]
Allows you to set the ratio between CPU Core Clock and the FSB frequency.
Configuration option: [20.0]
• If an invalid ratio is set in CMOS then actual and set values may differ.
• Key in ratio numbers directly.