Advantech ASMB-815 Series, Руководство пользователя

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ASMB-815 User Manual 62

Per-Socket Configuration
Use this to select how many processor cores you want to activate when you are
using a dual or quad core processor.

Hyper-threading [All]
Enable or Disable Intel Hyper Threading technology.

Execute Disable Bit
Enable or Disable the Execute Disable Bit feature. The Optimal and Fail-Safe
default setting is Enabled. If Disabled is selected, the BIOS forces the XD fea
-
ture flag to always return to 0.

VMX
Enable or disable Intel Virtual Machine Extensions (VMX) for IA-32 processors
that support Intel
®
Vanderpool Technology

Enable SMX
Enable or Disable the Safer Mode Extensions. Safer Mode Extensions (SMX)
provide a means for system software to launch an MLE and establish a mea
-
sured environment within the platform to support trust decisions by end users.

Hardware Prefetcher
Hardware Prefetcher is a technique that fetches instructions and/or data from
memory into the CPU cache memory well before the CPU needs it, so that it can
improve the load-to-use latency.

Adjacent Cache Prefetch
The Adjacent Cache-Line Prefetch mechanism, like automatic hardware
prefetch, operates without programmer intervention. When enabled through the
BIOS, two 64-byte cache lines are fetched into a 128-byte sector, regardless of
whether the additional cache line has been requested or not.

DCU Streamer Prefetcher