Asus P7H55-M PLUS - Manual (Page 37)

ASUS P7H55-M LE Series 2-11
The following item appears only when you installed an Intel ® CPU that supports the
Enhanced Intel ® SpeedStep ® Technology (EIST).
C1E Support [Enabled]
Allows you to enable or disable C1E Support. Configuration 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. Configuration 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. Configuration 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. Configuration options: [Disabled] [Enabled]
Intel ® 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]
Execute-Disable Bit Capability [Enabled]
Allows you to enable or disable the No-Execution Page Protection Technology. Setting this
item to [Disabled] forces the XD feature flag to always return to zero (0). Configuration
options: [Disabled] [Enabled]
Active Processor Cores [All]
Allows you to choose the number of CPU cores to activate in each processor package.
Configuration options: [All] [1] [2]
A20M [Disabled]
Setting this item to [Enabled] allows Legacy OSes to be compatible with APs. Configuration
options: [Disabled] [Enabled]