Owner's Manual

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than marked frequency in specic conditions. The default value is
[Enabled].
Enhance Halt State (C1E)
All processors support the Halt State (C1). The C1 state is sup-
ported through the native processor instructions HLT and MWAIT
and requires no hardware support from the chipset. In the C1
power state, the processor maintains the context of the system
caches.
CPU C3 State Support
Use this to enable or disable CPU C3 (ACPI C2) report to OS.
CPU C6 State Support
Use this to enable or disable CPU C6 (ACPI C3) report to OS.
Package C State Support
Selected option will program into C State package limit register.
The default value is [Auto].
CPU Thermal Throttling
You may select [Enabled] to enable CPU internal thermal control
mechanism to keep the CPU from overheating.
No-Execute Memory Protection
No-Execution (NX) Memory Protection Technology is an enhance-
ment to the IA-32 Intel Architecture. An IA-32 processor with “No
Execute (NX) Memory Protection” can prevent data pages from
being used by malicious software to execute codes. This option
will be hidden if the current CPU does not support No-Excute
Memory Protection.
Intel Virtualization Technology
When this option is set to [Enabled], a VMM (Virtual Machine
Architecture) can utilize the additional hardware capabilities pro-
vided by Vanderpool Technology. This option will be hidden if the
installed CPU does not support Intel Virtualization Technology.
Hardware Prefetcher
Use this turn on/off the MLC streamer prefetcher.
Adjacent Cache Line Prefetch
Use this to turn on/off prefetching of adjacent cache lines.
Spread Spectrum
Select [Auto] for better system stability.