Advantech ECU-4784 Series, User Manual, Page: 63 / 94

53 ECU-4784 User Manual
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C.2.2.3 CPU Configuration
Figure C.6 CPU Configuration

Hyper-threading
Enable for Windows XP and Linux (OS optimized for Hyper-Threading Technol -
ogy) and Disable for other OS (OS not optimized for Hyper-Threading Technol -
ogy) and Disable for other OS (OS not optimized for Hyper-Threading
Technology). When Disabled only one thread per core is enabled.

Active Processor Cores
This item allows users to enable a number of cores in each processor package.

Limit CPUID Maximum
Disable for Windows XP.

Execute Disable Bit
This item allows users to enable or disable Execute Disable Bit.
XD can prevent certain classes of malicious buffer overflow attacks when com
-
bined with a supporting OS (Windows server 2003 SP1, Windows XP SP2
SuSE Linux 9.2, RedHat Enterprise 3 update 3.)

Intel Virtualization Technology
This item allows users to enable or disable Intel Virtualization Technology.
When enabled, a VMM can utilize the additional hardware capabilities provided
by Vanderpool Technology.

Hardware Prefetcher
This item allows users to enable or disable Hardware Prefetcher. Enable the Mid
Level Cache (L2) streamer prefetcher.

Adjacent Cache Line Prefetch
This item allows users to enable or disable Adjacent Cache Line Prefetch.
Enable the Mid Level Cache (L2) prefetching of adjacent cache lines.