Chapter 3
3-26BIOS Setup 3-27 BIOS Setup
Execute Disable Bit [Enabled]
Intel’s Execute Disable Bit functionality can prevent certain classes of malicious “buf-
It is recommended that keeps this item enabled always.
[Enabled] Enables NO-Execution protection to prevent the malicious attacks
and worms.
[Disabled] Disables this function.
multiple operating systems in independent partitions. The system can
function as multiple systems virtually.
[Disabled] Disables this function.
Hardware Prefetcher [Enabled]
Enables or disables the hardware prefetcher (MLC Streamer prefetcher).
[Enabled] Allows the hardware prefetcher to automatically pre-fetch data
and instructions into L2 cache from memory for tuning the CPU
performance.
[Disabled] Disables the hardware prefetcher.
Adjacent Cache Line Prefetch [Enabled]
Enables or disables the CPU hardware prefetcher (MLC Spatial prefetcher).
[Enabled] Enables adjacent cache line prefetching for reducing the cache
[Disabled] Enables the requested cache line only.
CPU AES Instructions [Enabled]
Enables or disables the CPU AES (Advanced Encryption Standard-New Instructions)
support. This item appears when a CPU supports this function.
[Enabled] Enables Intel AES support.
[Disabled] Disables Intel AES support.
Intel Adaptive Thermal Monitor [Enabled]
Enables or disables the Intel adaptive thermal monitor function to protect the CPU
from overheating.
[Enabled] Throttles down the CPU core clock speed when the CPU is over the
adaptive temperature.
[Disabled] Disables this function.
Intel C-State [Auto]
[Enabled] Detects the idle state of system and reduce CPU power consumption
accordingly.
[Disabled] Disable this function.
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