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ASUS P7P55-M 2-15
C1E Support [Enabled]
Allows you to enable or disable C1E Support. Conguration options: [Disabled] [Enabled]
Hardware Prefetcher [Enabled]
Setting this item to [Enabled] allows the processor to fetch data and instructions from the
memory into the cache that are likely to be required in the near future. This reduces the
latency associated with memory reads. Conguration options: [Disabled] [Enabled]
Adjacent Cache Line Prefetch [Enabled]
When this item is set to [Enabled], the processor fetches the currently requested cache line,
as well as the subsequent cache line. This reduces the cache latency by making the next
cache line immediately available if the processor requires it as well. When set to [Disabled],
the processor fetches only the currently requested cache line. Conguration options:
[Disabled] [Enabled]
Max CPUID Value Limit [Disabled]
Setting this item to [Enabled] allows legacy operating systems to boot even without support
for CPUs with extended CPUID functions. Conguration options: [Disabled] [Enabled]
2.5 Advanced menu
The Advanced menu items allow you to change the settings for the CPU and other system
devices.
Take caution when changing the settings of the Advanced menu items. Incorrect eld
values can cause the system to malfunction.
CPU Conguration
Chipset
Onboard Devices Conguration
USB Conguration
PCIPnP
Intel VT-d [Dissabled]
Congure CPU.
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
2.5.1 CPU Conguration
The items in this menu show the CPU-related information that the BIOS automatically
detects.
CPU Ratio Setting [Auto]
Sets the ration between CPU core clock and the FSB frequency. Key in ratio numbers
directly.
If an invalid ratio is set in CMOS, then the actual and set values may differ.