Execute-Disable Bit
XD can prevent certain classes of malicious buffer overflow attacks when combined with a
supporting OS (Windows Server 2003 SP1, Windows XP SP2, SuSE Linux 9.2, RedHat Enterprise
3 Update 3.).
Options: Enabled (Default) / Disabled
Hardware Prefetcher
The processor has a hardware prefetcher that automatically analyzes its requirements and
prefetches data and instructions from the memory into the Level 2 cache that are likely to
be required in the near future. This reduces the latency associated with memory reads.
Options: Enabled (Default) / Disabled
Adjacent Cache Line Prefetch
The processor has a hardware adjacent cache line prefetch mechanism that
automatically fetches an extra 64-byte cache line whenever the processor requests for a
64-byte cache line. This reduces cache latency by making the next cache line immediately
available if the processor requires it as well.
Options: Enabled (Default) / Disabled
Intel Virtualization Technology
Virtualization Technology can virtually separate your system resource into several parts,
thus enhance the performance when running virtual machines or multi interface systems.
Options: Enabled (Default) / Disabled
Power Technology
This item enables or disables the power management features.
Options: Custom (Default) / Disable / Energy Efficient
EIST
This item enables or disables Intel SpeedSteps.
Options: Enabled (Default) / Disabled
Turbo Mode
This item enables or disables Turbo Mode.
Options: Enabled (Default) / Disabled
P-STATE Coordination
This item changes P-STATE Coordination. Options:
HW_ALL (Default) / SW_ALL / SW_ANY
CPU C6 Report
This item enables or disables CPU C6 (ACPI C3) report to OS.
Options: Enabled (Default) / Disabled
CPU C7 Report
This item enables or disables CPU C7 (ACPI C3) report to OS.
Options: Enabled (Default) / Disabled
Package C state limit
This item enables or disables package C state limit.
Options: No Limit (Default) / CO / C1 / C3 / C6 / C7
30 | Chapter 3: BIOS Setup
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