Figure C.6 Cpu Configuration - Advantech ECU-4784 Series User Manual

C.2.2.3 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 Technol-
ogy). 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.

Figure C.6 CPU Configuration

49 ECU-4784 User Manual