Advantech AIMB-221 User Manual download pdf (Page 26)

AIMB-201DS User Manual 16

 S5 RTC Wake Settings

Enable system to wake from S5 using RTC alarm

Figure 3.3 S5 RTC Setup Screen

 CPU Configuration

– Hyper-threading: Enabled for Windows XP and Linux (OS optimized for

Hyper-Threading Technology) and Disabled for other OS (OS not optimized

for Hyper-Threading Technology). When disabled, only one thread per

enabled-core is enabled.

– Active Processor Cores: Number of cores to be enabled in each processor

package.

– Limit CPUID Maximum: Disabled for Windows XP.

– Execute Disable Bit: It can prevent certain classes of malicious buffer over-

flow attacks when combined with a supporting OS (Windows Server 2003

Sp1, Windows XP SP2, SuSE Linux 9.2 RedHat Enterprise 3 Update 3.).

– Intel Virtualization Technology: When enabled, a VMM can utilize the addi-

tional hardware capabilities provided by Vander pool Technology.

– Hardware Prefetcher: To turn on/off the Mid Level Cache (L2) streamer

prefetcher.

– Adjacent Cache Line Prefetch: To turn on/off prefetching of adjacent cache

lines

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Advantech AIMB-221 User Manual Page 26