Advantech AGS-910, User Manual

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AGS-910 User Manual 42
 Hyper-threading
Enable or disable Intel Hyper Threading technology.

Active Processor Core
Select how many processor cores to activate when using a dual or quad core
processor.
 Limit CPUID Maximum
Set this item to [Enable] allows legacy operating systems to boot even without
support for CPUs with extended CPUID functions.
 Execute Disable Bit
This item specifies the Execute Disable Bit Feature. The settings are Enabled
and Disabled. The Optimal and Fail-Safe default setting is Enabled. If Disabled
is selected, the BIOS forces the XD feature flag to always return to 0.
 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. Set to enable or disable.
 Adjacent Cache Line 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. Set to enable or
disable.
 DCU Streamer Prefetch
Enable prefetch of next L1 data line based upon multiple loads in same cache
line.
 DCU IP Prefetcher
Enable prefetch of next L1 line based upon sequential load history.